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Journal articles on the topic 'Filters with CCII+'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

Yasir, Mohd, and Mohammad Samar Ansari. "Performance Investigation of FinFET-Based MO-CCII and its Applications: Resistor-Less Multi-Function Bi-Quadratic Filter and Balanced Modulator." Journal of Circuits, Systems and Computers 29, no. 11 (January 21, 2020): 2050175. http://dx.doi.org/10.1142/s0218126620501753.

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This paper presents an optimal design of a high-performance multi-output second-generation current conveyor (MO-CCII) based on 20[Formula: see text]nm Fin-Shaped Field Effect Transistor (FinFETs). Proposed MO-CCII has very low port X impedance and very high port Y impedance. The performance of the CCII has been thoroughly investigated in terms of DC, AC and transient characteristics of terminal voltages and branch currents and frequency response of port impedances. CCII shows the excellent high-frequency response of voltage as well as current transfer gains. The 3[Formula: see text]dB BW of voltage and current transfer gains are 11.2[Formula: see text]GHz and 11[Formula: see text]GHz, respectively. CCII provides excellent performance over its CMOS counterpart. Also, a resistor-less multi-function bi-quadratic filter is proposed. The filter depends on two CCIIs, a capacitor and does not require any resistors. It has three inputs and one output and realizes low-pass, high-pass and band-pass filters from a similar setup. FinFETs in the linear region are utilized as variable resistor to control filter properties. Nevertheless, the proposed filter has two floating capacitors which can be effortlessly realized in these days’ integrated circuit advancements. Also, a balanced modulator is proposed utilizing the proposed FinFET-based CCII and FinFET transistors only. Balanced modulator’s frequency of operation obtained is in GHz range.

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2

Pandey, Neeta, and Sajal K. Paul *. "All-pass filters based on CCII− and CCCII−." International Journal of Electronics 91, no. 8 (August 2004): 485–89. http://dx.doi.org/10.1080/00207210412331294595.

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3

Soliman, Ahmed M. "Two Integrator Loop Filters: Generation Using NAM Expansion and Review." Journal of Electrical and Computer Engineering 2010 (2010): 1–8. http://dx.doi.org/10.1155/2010/108687.

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Systematic synthesis method to generate a family of two integrator loop filters based on nodal admittance matrix (NAM) expansion is given. Eight equivalent circuits are obtained; six of them are new. Each of the generated circuits uses two grounded capacitors and employs two current conveyors (CCII) or two inverting current conveyors (ICCII) or a combination of both. The NAM expansion is also used to generate eight equivalent grounded passive elements two integrator loop filters using differential voltage current conveyor (DVCC); six of them are new. Changing the input port of excitation, two new families of eight unity gain lowpass filter circuits each using two CCII or ICCII or combination of both or two DVCC are obtained.

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4

Hwang, Yuh-Shyan, Pei-Tzu Hung, Wei Chen, and Shen-Iuan Liu. "CCII-based linear transformation elliptic filters." International Journal of Electronics 89, no. 2 (February 2002): 123–33. http://dx.doi.org/10.1080/00207210110105181.

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5

SOLIMAN, AHMED M. "ADJOINT NETWORK THEOREM AND FLOATING ELEMENTS IN THE NAM." Journal of Circuits, Systems and Computers 18, no. 03 (May 2009): 597–616. http://dx.doi.org/10.1142/s0218126609005307.

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Although the adjoint network theorem preserves all the circuit properties it does not, however, guarantee that the floating property of an element is maintained. In other words, the adjoint of a floating element may not be floating and vice-versa a nonfloating element may have an adjoint floating element as will be explained in this paper. An important and new property of the Nodal Admittance Matrix (NAM) is that it can identify any element as a floating or nonfloating. The four floating basic building blocks including the nullor are tabulated. It is shown that the nullor and the Voltage Mirror (VM)–Current Mirror (CM) pair are self adjoint. The other two floating elements namely Nullator–CM pair and the VM–Norator pair are adjoint to each other. The NAM of the Op Amp family and Current Conveyor (CCII) family are also given. Two examples are given demonstrating the generation of two families of CCII filters from two known two-CCII filter circuits with demonstration of the floatation property in each of the two filters. Although the paper has a tutorial nature it also includes new important results.

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6

SOLIMAN, AHMED M. "Generation of CCII and CFOA filters from passive RLC filters." International Journal of Electronics 85, no. 3 (September 1998): 293–312. http://dx.doi.org/10.1080/002072198134111.

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7

LlU, SHEN-IUAN, JIANN-HORNG KUO, and JIANN-HORNG TSAY. "New CCII-based current-mode biquadratic filters." International Journal of Electronics 72, no. 2 (February 1992): 243–52. http://dx.doi.org/10.1080/00207219208925572.

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8

Soltan, Ahmed, Ahmed G. Radwan, and Ahmed M. Soliman. "CCII based fractional filters of different orders." Journal of Advanced Research 5, no. 2 (March 2014): 157–64. http://dx.doi.org/10.1016/j.jare.2013.01.007.

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9

GHALLAB, YEHYA H., WAEL BADAWY, MOHAMED ABOU EL-ELA, and MOHAMED H. EL-SAID. "THE OPERATIONAL FLOATING CURRENT CONVEYOR AND ITS APPLICATIONS." Journal of Circuits, Systems and Computers 15, no. 03 (June 2006): 351–72. http://dx.doi.org/10.1142/s0218126606003118.

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A five-port general-purpose analog building block, termed as an Operational Floating Current Conveyor (OFCC), is described. The OFCC combines the features of current feedback operational amplifier, second-generation current conveyor and operational floating conveyor. An implementation scheme of the OFCC is described and its terminal operational characteristics are used to yield a working device. The OFCC is then used as a single block to realize the current conveyors (CCII+ and CCII-) as well as the four basic amplifiers (i.e., voltage, current, transconductance, and transresistance amplifiers). The applications of the OFCC are presented and discussed. In the field of the analog filter synthesis, we proposed a new active universal second order filter using OFCC. It has three inputs and one output employing two OFCC, two capacitors and three resistors and can realize lowpass, bandpass, highpass, notch, and all pass filters from the same configuration. The proposed universal filters offer the following advantageous features: using active elements for the same type (OFCC). No requirement for component matching or cancellation constraints, which makes the filter easier to design, orthogonal adjustment of ω0 and Q and the circuits have low sensitivity. The simulation and experimental results are obtained and discussed.

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10

Ranjan, Rajeev Kr, Chandan Kr Choubey, Bal Chand Nagar, and Sajal Kr Paul. "Comb Filter for Elimination of Unwanted Power Line Interference in Biomedical Signal." Journal of Circuits, Systems and Computers 25, no. 06 (March 31, 2016): 1650052. http://dx.doi.org/10.1142/s0218126616500523.

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A new approach to the design of a comb filter using current conveyor is proposed to eliminate the undesired harmonic interference from biomedical signal. In this approach, a number of inverted band pass filters are used to construct a comb filter. The components used are second generation current conveyor (CCII), capacitor and resistor. To verify the performance of the proposed circuit, the comb filter is designed to eliminate the unwanted power line frequency of 60[Formula: see text]Hz and its odd harmonics such as 180, 300 and 420[Formula: see text]Hz. The proposed circuit is simulated by implementing CCII[Formula: see text] using a macro model of commercially available CFOA IC AD844 as well as 0.18[Formula: see text][Formula: see text]m CMOS technology. The circuit is also verified experimentally by using commercially available IC AD844. The effectiveness of harmonic removal has also been tested.

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11

Soliman, Ahmed M. "Current mode filters using two output inverting CCII." International Journal of Circuit Theory and Applications 36, no. 7 (October 2008): 875–81. http://dx.doi.org/10.1002/cta.463.

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12

Papazoglou, C. A., and C. A. Karybakas. "Noninteracting electronically tunable CCII-based current-mode biquadratic filters." IEE Proceedings - Circuits, Devices and Systems 144, no. 3 (1997): 178. http://dx.doi.org/10.1049/ip-cds:19971078.

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13

Özoğuz, S., C. Acar, A. Toker, and E. O. Güneş. "Derivation of low-sensitivity current-mode CCII-based filters." IEE Proceedings - Circuits, Devices and Systems 148, no. 3 (2001): 115. http://dx.doi.org/10.1049/ip-cds:20010193.

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14

SOLIMAN, AHMED M. "GENERATION OF GROUNDED CAPACITOR ICCII-BASED BAND-PASS FILTERS." Journal of Circuits, Systems and Computers 16, no. 04 (August 2007): 553–66. http://dx.doi.org/10.1142/s0218126607003812.

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A new current-mode band-pass filter using the inverting second-generation current conveyor (ICCII) is introduced. The circuit is generated from a frequency-dependent negative resistance (FDNR)-C circuit realized using ICCII+. It is observed that a voltage-mode band-pass filter using two CCII+ has similar transfer function to this current-mode filter. The adjoint network theorem is used to demonstrate the transformation between the two circuits. Two new voltage-mode grounded capacitor band-pass filters using two ICCII are also introduced. The first voltage-mode circuit is generated from the FDNR-C circuit and employs two opposite Z polarity ICCII. The second voltage-mode circuit is obtained from the first circuit by relocation of the input and a grounded terminal. Two new additional grounded capacitor and grounded resistor current-mode band-pass filters with independent control on the filter Q are also introduced. Spice simulation results with 0.35 μm CMOS transistors model are included to demonstrate the practicality of the two ICCII- band-pass current-mode filter.

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15

Karybakas, C. A., and A. Papazoglou. "Low-sensitive CCII-based biquadratic filters offering electronic frequency shifting." IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing 46, no. 5 (May 1999): 527–39. http://dx.doi.org/10.1109/82.769801.

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16

Özoğuz, Serdar, Ali Toker, and Oğuzhan Çiçekoğlu. "New current-mode universal filters using only four (CCII+)s." Microelectronics Journal 30, no. 3 (March 1999): 255–58. http://dx.doi.org/10.1016/s0026-2692(98)00114-1.

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17

Liu, S. I., H. W. Tsao, and J. Wu. "CCII-based continuous-time filters with reduced gain-bandwidth sensitivity." IEE Proceedings G Circuits, Devices and Systems 138, no. 2 (1991): 210. http://dx.doi.org/10.1049/ip-g-2.1991.0039.

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18

Pal, Kirat, and Seema Rana. "Some New First-Order All-Pass Realizations Using CCII." Active and Passive Electronic Components 27, no. 2 (2004): 91–94. http://dx.doi.org/10.1080/0882751031000116188.

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Some new first-order all-pass filters using a second-generation current conveyor are reported. Two circuits have higher input impedance than reported very recently and use a grounded capacitor. Additionally two more circuits have been reported, one of which has minimum passive and active components and has the facility of single resistance tuning. The other circuit has high input impedance and uses two current conveyors but has one passive component less than the similar circuits reported earlier.

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19

Saied, Achwek Ben, Samir Ben Salem, and Dorra Sellami Masmoudi. "Low Voltage High Frequency CCII Based Multifunction Filters and Chaos Generator." Asian Journal of Applied Sciences 4, no. 6 (August 1, 2011): 603–17. http://dx.doi.org/10.3923/ajaps.2011.603.617.

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20

Tarim, N., and H. Kuntman. "The effects of CCII non-idealities on voltage-mode active filters." Microelectronics Journal 30, no. 12 (December 1999): 1265–72. http://dx.doi.org/10.1016/s0026-2692(99)00052-x.

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21

Hou, Chun-Li, Yan-Pei Wu, and Shen-Iuan Liu. "New configuration for single-CCII first-order and biquadratic current-mode filters." International Journal of Electronics 71, no. 4 (October 1991): 637–44. http://dx.doi.org/10.1080/00207219108925506.

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22

Nonthaputha, Thanat, and Montree Kumngern. "Programmable Universal Filters Using Current Conveyor Transconductance Amplifiers." Journal of Circuits, Systems and Computers 26, no. 07 (March 17, 2017): 1750121. http://dx.doi.org/10.1142/s0218126617501213.

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This paper presents new programmable universal biquadratic filters using current conveyor transconductance amplifiers (CCTAs) by which both voltage- and current-mode filters can be obtained. The proposed filters use second-generation current conveyor (CCII) which is the first stage of CCTA to operate as current conveyor analog switch (CCAS) and this CCAS will be used to program the filtering functions such as low-pass, high-pass, band-pass, band-stop and all-pass filters. Unlike previous universal filters, the filtering functions of the proposed filters can be programmed using the bias currents of CCTAs without changing any input and output connections. The natural frequency and quality factor of all filtering functions can be controlled electronically and orthogonally using the bias currents of transconductance amplifiers. Also gain response of all transfer functions can be adjusted. The active and passive sensitivities of the filters are low. The proposed programmable filters have been simulated using 0.18[Formula: see text][Formula: see text]m CMOS process from TSMC. PSPICE simulation results are included to confirm workability of the proposed circuits.

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23

Pal, Kirat, and Costas Psychalinos. "All-pass filters realised using the current-controlled CCII with intrinsic negative resistance." International Journal of Electronics 97, no. 5 (May 2010): 491–98. http://dx.doi.org/10.1080/00207210903486872.

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24

Soliman, Ahmed M. "Voltage mode and current mode Tow Thomas bi-quadratic filters using inverting CCII." International Journal of Circuit Theory and Applications 35, no. 4 (2007): 463–67. http://dx.doi.org/10.1002/cta.398.

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25

Yucel, Firat, and Erkan Yuce. "CCII based more tunable voltage-mode all-pass filters and their quadrature oscillator applications." AEU - International Journal of Electronics and Communications 68, no. 1 (January 2014): 1–9. http://dx.doi.org/10.1016/j.aeue.2013.06.012.

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26

Zhang, Hai Dan, Hu Bao, Den Gan Chen, and Jing Yu. "A Novel High-Pass Filters Implementation by Fully Differential Op Amp Integrators." Applied Mechanics and Materials 229-231 (November 2012): 1531–34. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1531.

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The design of low-pass and bandpass filters is often based on the leapfrog method which, in these cases, yields integrator-based structures. Using the leapfrog signal flow graph (SFG) for the simulation of high-pass filters leads to a differentiator-based structure which could be implemented by Gm-C or CCII conveniently. However, when we use Op amp RC integrators for good linearity, we have to use integrators, and not differentiators, for reasons related to the excessive noise behavior of the latter. This paper presents a new leapfrog SFG implementation by fully differential Op amp integrators, which combines good high-frequency properties with good noise properties. The direct SFG simulation method and single-ended output Op amp can also based on integrators, but all of them will lead to a relatively high circuit complexity and a high noise level. A design example is included, with comparisons of gain responses and noise densities.

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27

Bozomitu, Radu Gabriel. "A New Linearized CCII-Based Fully Differential CMOS Transconductor Used for $$\hbox {G}_\mathrm{m}$$ G m -C Active Filters Implementation." Wireless Personal Communications 74, no. 2 (July 11, 2013): 615–37. http://dx.doi.org/10.1007/s11277-013-1310-x.

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28

Yuce, Erkan, and Shahram Minaei. "A First-Order Fully Cascadable Current-Mode Universal Filter Composed of Dual Output CCIIs and a Grounded Capacitor." Journal of Circuits, Systems and Computers 25, no. 05 (February 25, 2016): 1650042. http://dx.doi.org/10.1142/s0218126616500420.

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In this paper, a new first-order current-mode (CM) universal filter employing two dual output second-generation current conveyors (DO-CCIIs), one resistor and a grounded capacitor is proposed. The proposed filter has low input and high output impedances; thus, it can be easily connected with other CM circuits. It can simultaneously realize first-order low-pass (LP) and all-pass (AP) responses and can provide high-pass (HP) response with interconnection of LP and AP responses. It can be tuned electronically by replacing with dual output second-generation current controlled conveyors (DO-CCCIIs) instead of DO-CCIIs and removing the resistor. It has only a resistor but no capacitor connected in series to X terminal of DO-CCII; accordingly, it can be operated at high frequencies. Also, it does not need any critical passive component matching conditions and cancellation constraints. A number of simulation results based on SPICE program are included to exhibit performance, workability and effectiveness of the proposed filter configuration.

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29

Chaturvedi, Bhartendu, Jitendra Mohan, Atul Kumar, and Kirat Pal. "Current-Mode First-Order Universal Filter and its Voltage-Mode Transformation." Journal of Circuits, Systems and Computers 29, no. 09 (December 3, 2019): 2050149. http://dx.doi.org/10.1142/s0218126620501492.

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This paper deals with the realization of current-mode first-order universal filter based on multiple output second generation current conveyor (MO-CCII). Two MO-CCIIs, one resistor and one capacitor are used in the circuit realization. The proposed work includes additional features such as ease of cascadability, easily implementable in modern integrated circuit technology and no requirement of passive components matching condition. The additional beauty of the proposed filter structure is that all three responses can also be realized by interchanging the positions of passive components as well. Moreover, a possible transformation of the proposed current-mode type universal filter into a voltage-mode type universal filter using network transpose method is also explored. The possibility of mode transformation further expands the scope of proposed idea. The theoretical aspects are verified using cadence VIRTUOSO simulation results.

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30

YUCE, ERKAN, and SEZAI TOKAT. "DESIGN AND STABILITY ANALYSIS OF MIXED-MODE FILTERS CONTAINING ONLY GROUNDED CAPACITORS." Journal of Circuits, Systems and Computers 19, no. 06 (October 2010): 1345–63. http://dx.doi.org/10.1142/s0218126610006864.

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In this paper, three dual-mode (mixed-mode) analog filters using only grounded capacitors and two to three second-generation current conveyors (CCIIs) are presented. The first proposed filter can provide a transimpedance-mode (TIM) second-order filter transfer function (TF), and is free from passive component matching constraints, which is advantageous in integrated circuit (IC) design. Other two mixed-mode filters having the property of tunability are derived from the first proposed filter. However, the developed filters in this work, like other active filters, suffer from nonidealities such as nonideal gain and parasitic impedance effects which increase the order of the filter TFs; accordingly, stability problem may arise. In this study, stability analysis using gain and phase margins is accomplished. To explain the claimed ideas, several computer simulations and an experimental test are performed.

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31

ARSLAN, EMRE, SHAHRAM MINAEI, and AVNI MORGUL. "ON THE REALIZATION OF HIGH PERFORMANCE CURRENT CONVEYORS AND THEIR APPLICATIONS." Journal of Circuits, Systems and Computers 22, no. 03 (March 2013): 1350015. http://dx.doi.org/10.1142/s0218126613500151.

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In this work, a wideband and high-performance CMOS implementation of 2nd-generation current conveyor (CCII) is proposed. The proposed circuit is composed of a high performance voltage follower stage which is based on differential pairs to provide high voltage swings on input and output ports and a current follower stage. It is shown that the proposed voltage follower stage can be used to implement high performance 1st and 3rd-generation current conveyors (CCI and CCIII, respectively) that have very small equivalent impedances on ports X, high equivalent impedances on ports Y and Z and also high-valued voltage and current transfer bandwidths. 2nd and 3rd order filter circuits as well as a half-wave rectifier circuit are given to show the performance and usefulness of the proposed current conveyor circuits. The simulation and experimental results are given to verify the theoretical analyses.

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32

Pretto, Niccolò, Edoardo Micheloni, Anthony Chmiel, Nadir Dalla Pozza, Dario Marinello, Emery Schubert, and Sergio Canazza. "Multimedia Archives: New Digital Filters to Correct Equalization Errors on Digitized Audio Tapes." Advances in Multimedia 2021 (March 30, 2021): 1–11. http://dx.doi.org/10.1155/2021/5410218.

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Multimedia archives face the problem of obsolescing and degrading analogue media (e.g., speech and music recordings and video art). In response, researchers in the field have recently begun studying ad hoc tools for the preservation and access of historical analogue documents. This paper investigates the active preservation process of audio tape recordings, specifically focusing on possible means for compensating equalization errors introduced in the digitization process. If the accuracy of corrective equalization filters is validated, an archivist or musicologist would be able to experience the audio as a historically authentic document such that their listening experience would not require the recovery of the original analogue audio document or the redigitization of the audio. Thus, we conducted a MUSHRA-inspired perception test (n = 14) containing 6 excerpts of electronic music (3 stimuli recorded NAB and 3 recorded CCIR). Participants listened to 6 different equalization filters for each stimulus and rated them in terms of similarity. Filters included a correctly digitized “Reference,” an intentionally incorrect “Foil” filter, and a subsequent digital correction of the Foil filter that was produced with a MATLAB script. When stimuli were collapsed according to their filter type (NAB or CCIR), no significant differences were observed between the Reference and MATLAB correction filters. As such, the digital correction appears to be a promising method for compensation of equalization errors although future study is recommended, specifically containing an increased sample size and additional correction filters for comparison.

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33

MINAEI, SHAHRAM, and ERKAN YUCE. "ALL GROUNDED PASSIVE ELEMENTS CURRENT-MODE ALL-PASS FILTER." Journal of Circuits, Systems and Computers 18, no. 01 (February 2009): 31–43. http://dx.doi.org/10.1142/s0218126609004909.

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In this paper, a new current-mode (CM) all-pass filter employing two Dual-Output Second-Generation Current Conveyors (DO–CCIIs), one grounded resistor and one grounded capacitor is presented. The proposed circuit exhibits low input impedance and high output impedance, which makes it suitable for cascading. Moreover, adding two extra resistors to the proposed circuit, a new gain-variable voltage-mode (VM) all-pass filter is obtained. A quadrature oscillator employing minimum number of grounded passive components is derived from the developed CM filter as an application of the first-order all-pass filter. Both of the proposed all-pass filters do not require matching of passive components. The effects of the parasitic impedances of the DO–CCIIs on the transfer function (TF) of the proposed CM filter as an example are investigated. In addition, the proposed CM all-pass filter and oscillator circuit are simulated using SPICE simulation program to confirm the theory.

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34

SALEM, SAMIR BEN, DORRA SELLAMI MASMOUDI, and MOURAD LOULOU. "A NOVEL CCII-BASED TUNABLE INDUCTANCE AND HIGH FREQUENCY CURRENT-MODE BAND PASS FILTER APPLICATION." Journal of Circuits, Systems and Computers 15, no. 06 (December 2006): 849–60. http://dx.doi.org/10.1142/s0218126606003386.

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In this paper, we introduce an implementation of a CCII-based grounded inductance operating in class AB. In order to get tunable characteristics of the design, a translinear CCII configuration is used as a basic block for its high level of controllability. A frequency characterization of the translinear CCII is done. In order to optimize its static and dynamic characteristics, an algorithmic driven methodology is developed ending to the optimal transistor geometries. The optimized CCII has a current bandwidth of 1.28 GHz and a voltage bandwidth of 5.48 GHz. It is applied in the simulated inductance design. We first consider the conventional topology of the grounded inductance based on the generalized impedance converter principle. Making use of the controllable series parasitic resistance at port X in translinear CCII, we design tunable characteristics of the inductance. The effect of current conveyor's nonidealities has been taken into account. A compensation strategy has been presented. It is based on the insertion of a high active CCII-based negative resistance and a very low passive resistance. The compensation strategy does not affect the inductance tuning process. Simulation results show that the proposed inductance can be tuned in the range [0.025 μH; 15.4 μH]. The simulated inductance has been applied in a fully integrated tunable high frequency band pass filter to illustrate the versatility of the circuit. The filter is electrically tunable by controlling the conveyor's bias current.

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35

Abuelma'atti, M. T., and H. A. Alzaher. "Versatile Active Biquad Based on Dual-Output Second-Generation Current Conveyors." Active and Passive Electronic Components 20, no. 3 (1998): 151–55. http://dx.doi.org/10.1155/1998/97537.

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A universal active biquad based on the dual-output second-generation current-conveyor (CCII±) is presented. The circuit uses only six CCII± and can, simultaneously, support three mixed-mode transfer functions and five current-mode transfer functions. The circuit uses grounded resistors and capacitors and enjoys independent grounded-element control of the filter parameters.

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36

Horng, Jiun-Wei, Chun-Yang Tsai, Te-Chi Chen, and Chang-Ming Wu. "High Input Impedances Voltage-mode First-order Filters with Grounded Capacitors using CCIIs." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 13, no. 1 (February 20, 2020): 64–68. http://dx.doi.org/10.2174/2213111607666190617150053.

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Background: Three high input impedances voltage-mode first-order filters are presented. Methods: The first proposed circuit uses one multi-output second-generation current conveyor, two resistors and one grounded capacitor. The second proposed circuit uses two second-generation current conveyors, three resistors and one grounded capacitor. The third proposed circuit uses one multi-output second-generation current conveyor, one resistor and two grounded capacitors. Results: First-order lowpass and allpass filters can be simultaneously obtained in the first proposed circuit. First-order lowpass, highpass and allpass filters can be simultaneously obtained in the second proposed circuit. The third proposed circuit can realize first-order allpass filter. Conclusion: All the proposed circuits have the advantages of high input impedances and using only grounded capacitors.

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37

Chen, Hua-Pin. "Single CCII-based voltage-mode universal filter." Analog Integrated Circuits and Signal Processing 62, no. 2 (July 19, 2009): 259–62. http://dx.doi.org/10.1007/s10470-009-9345-3.

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38

Abuelma'atti, Muhammad Taher, and Abdulwahab Bentrcia. "A Novel Mixed-Mode CCII-Based Filter." Active and Passive Electronic Components 27, no. 4 (2004): 197–205. http://dx.doi.org/10.1080/08827510310001648933.

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A new mixed-mode biquad circuit is presented. The circuit uses five second-generation current conveyors, seven resistors, and two grounded capacitors and can realize lowpass, highpass, bandpass , notch, lowpass notch, highpass notch and allpass responses from the same topology. The circuit can be driven by voltage or current and its output can be voltage or current. The parametersωoandωo/Qoenjoy independent electronic tunability. Simulation results are included.

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39

Özoǧuz, S., and E. O. Güneş. "Universal filter with three inputs using CCII+." Electronics Letters 32, no. 23 (1996): 2134. http://dx.doi.org/10.1049/el:19961454.

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40

SOLIMAN, AHMED M. "GENERATION OF CFOA, CCII AND DVCC BASED OSCILLATORS FROM PASSIVE RLC FILTER." Journal of Circuits, Systems and Computers 20, no. 04 (June 2011): 621–39. http://dx.doi.org/10.1142/s0218126611007505.

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In a recent paper the link between the Op Amp-based two integrator loop oscillators and current feedback operational amplifier (CFOA)-based oscillators is detected and clearly explained. It was found that one of the grounded capacitor two CFOA two integrator loop oscillators, however, was not related directly to any of the Op Amp oscillators. In this paper the origin of the two CFOA grounded capacitor oscillator is found to be the passive second-order low-pass filter. It is also found that the differential voltage current conveyor (DVCC) grounded passive element oscillator is generated from the same passive second-order low-pass filter. A new family of grounded capacitor oscillators using current conveyors (CCII) and inverting current conveyors (ICCII) which includes sixteen members is introduced. A second new family of grounded passive elements oscillators using CCII and ICCII which includes eight members is also introduced. A discussion and a comparison with some of the previously reported CCII oscillator circuits is also given at the end of the paper.

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41

SOLIMAN, AHMED M. "HISTORY AND PROGRESS OF THE TOW–THOMAS BIQUADRATIC FILTER PART II: OTRA, CCII, AND DVCC REALIZATIONS." Journal of Circuits, Systems and Computers 17, no. 05 (October 2008): 797–826. http://dx.doi.org/10.1142/s0218126608004691.

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The realization of the Tow–Thomas (TT) circuit using the Operational Transresistance Amplifier (OTRA) is reviewed. The circuit employs two OTRA, and all passive elements are floating as the original Tow–Thomas circuit. The Current Conveyor (CCII) TT circuits are reviewed next. The progress in the realization of the TT circuit using CCII is demonstrated clearly by summarizing eight different circuits. One of the circuits has the advantage of very high input impedance using all grounded resistors and capacitors. The Differential Voltage Current Conveyor (DVCC) as the active building block in realizing the TT circuit is also considered. Finally, current mode TT circuits using balanced output CCII are summarized. Top Spice (level 49), simulation results using technology SCN 05 feature size 0.5 μm from MOSIS vendor: AGILENT are included to demonstrate the magnitude and phase frequency response of the TT circuits. Additional simulation results for the total power dissipation, total harmonic distortion, intermodulation IM3, input and output referred noise spectral densities are also included for comparison purposes.

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42

MAGHAMI, MOHAMMAD HOSSEIN, and AMIR M. SODAGAR. "LOW-POWER, LOW-VOLTAGE, DUAL-OUTPUT, SECOND GENERATION CURRENT CONVEYOR AND ITS APPLICATION IN LOW-PASS FILTER DESIGN." Journal of Circuits, Systems and Computers 22, no. 06 (July 2013): 1350044. http://dx.doi.org/10.1142/s0218126613500448.

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A new simple dual-output second generation current conveyor (DO-CCII) circuit is proposed. Designed in a standard 0.5-μm CMOS process, the circuit operates at ±1.5 V supply voltages with a total power consumption of 106 nW. Main characteristics of the proposed DO-CCII are its simplicity, small silicon area consumption, and not suffering from the body effect of MOS transistors. The proposed circuit is employed to implement a first-order low-pass filter with upper -3 dB cut-off frequency of as low as 3.2 Hz.

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HORNG, JIUN-WEI, MAW-HUEI LEE, HSI-CHIH CHENG, and CHIA-WEN CHANG. "New CCII-based voltage-mode universal biquadratic filter." International Journal of Electronics 82, no. 2 (February 1997): 151–56. http://dx.doi.org/10.1080/002072197136156.

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44

ARSLAN, EMRE, and AVNİ MORGÜL. "SELF-BIASING CURRENT CONVEYOR FOR HIGH FREQUENCY APPLICATIONS." Journal of Circuits, Systems and Computers 21, no. 05 (August 2012): 1250039. http://dx.doi.org/10.1142/s0218126612500399.

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A new, self-biasing, differential pair-based and high performance CMOS CCII circuit is proposed which uses no additional biasing voltage or current sources other than the two supply rails. The proposed circuit has high voltage swings on ports X and Y, very low equivalent impedance on port X, high equivalent impedances on ports Y and Z and also wideband voltage and current transfer ratios. The noise analysis of the proposed CCII circuit is studied. Input referred noise voltage at high impedance port Y and input referred noise current at low impedance port X are obtained to form the noise model. Some filter circuits are selected from the literature and their noise comparisons are performed. It is shown that the noise values can differ greatly even though the filter circuits or the passive element values are identical.

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45

Alzaher, Hussain, Noman Tasadduq, and Osama Al-Ees. "Implementation of reconfigurable nth-order filter based on CCII." Analog Integrated Circuits and Signal Processing 75, no. 3 (March 23, 2013): 539–45. http://dx.doi.org/10.1007/s10470-013-0064-4.

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46

HORNG, JIUN-WEI, MAW-HUEI LEE, and CHUN-LI HOU. "Universal active filter using four OTAs and one CCII." International Journal of Electronics 78, no. 5 (May 1995): 903–6. http://dx.doi.org/10.1080/00207219508926218.

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47

Parveen, T., S. S. Rajput, and M. T. Ahmad. "Low voltage CCII‐based high performance cascadable multifunctional filter." Microelectronics International 23, no. 2 (May 2006): 28–31. http://dx.doi.org/10.1108/13565360610659680.

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48

Li, Yong-An. "Systematic Synthesis of High-Q T–T Filters Employing CCCIIs." Journal of Circuits, Systems and Computers 26, no. 06 (March 5, 2017): 1750088. http://dx.doi.org/10.1142/s0218126617500888.

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This paper initially presents a modified T–T filter with high [Formula: see text] and derives two nodal admittance matrix (NAM) of the filter. Next, in accordance with the nullor-mirror models of the CCCII, 32 different forms of the Tow–Thomas (T–T) filter using various types of the CCCII are synthesized by bracket notation method. One of the synthesized circuits is analyzed to support the generation method.

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49

Tsukutani, T., Y. Sumi, and Y. Fukui. "Novel current-mode biquad filter using OTAs and DO-CCII." International Journal of Electronics 94, no. 2 (February 2007): 99–105. http://dx.doi.org/10.1080/00207210601099365.

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50

Chang, C. M. "Current mode allpass/notch and bandpass filter using single CCII." Electronics Letters 27, no. 20 (1991): 1812. http://dx.doi.org/10.1049/el:19911126.

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