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Journal articles on the topic 'Analog and mixed-signal circuits. eng'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Barylo, Gryhoriy, Oksana Boyko, Ihor Helzhynskyy, Tetyana Marusenkova, Yurii Kryvenchuk, and Roman Holyaka. "HARDWARE-SOFTWARE EMBEDDED SYSTEM OF SIGNAL FREQUENCY SELECTION ON GYRATOR." Measuring Equipment and Metrology 82, no. 1 (2021): 37–42. http://dx.doi.org/10.23939/istcmtm2021.01.037.

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The work is devoted to the problem of frequency-selective signal conversion in microelectronic sensor devices. It has been shown that the signal path of such devices, in particular, sensor nodes in the concept of the Internet of Things, must meet the requirements of embedded systems using a mixed analog-digital front end. The analysis of the signal transformation of photovoltaic sensors, in particular the problem of a significant parasitic influence of extraneous non-informative optical radiation and electromagnetic interference, has been carried out. SPICE models of photovoltaic sensor signal

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2

Vasudeva, G., and Uma B. V. "22nm FINFET Based High Gain Wide Band Differential Amplifier." International Journal of Circuits, Systems and Signal Processing 15 (February 5, 2021): 55–62. http://dx.doi.org/10.46300/9106.2021.15.7.

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Differential Amplifier is a primary building block of analog and mixed signal circuit for pre-processing and signal conditioning of analog signal. FINFET devices with high-k gate oxide at 22nm technology are predominantly used for high speed and low power complex VLSI circuits. FINFET based differential amplifiers are widely used in ADC’s and signal Processing applications due to their advantages in terms of power dissipation. Analog front end of complex VLSI circuits need to offer high gain, higher stability and low noise figure. Designing of FINFET based VLSI sub-circuits requires proper des

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3

Ryndin, Konoplev, Lysenko, Kulikova, and Popov. "Highly Sensitive Signal Processing Devices for Capacitive Transducers of Micromechanical Accelerometers." Electronics 8, no. 9 (2019): 932. http://dx.doi.org/10.3390/electronics8090932.

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In this paper, the principles of the open-loop frequency-based signal processing devices for capacitive MEMS accelerometers are used to develop three CMOS IP-core (Intellectual Property core) projects of highly sensitive signal processing devices with frequency output. Signal processing devices designed in accordance with the considered method form an output of rectangular pulses whose frequencies equal a difference of signal frequencies from two identical generators with micromechanical accelerometer capacitive transducers in their frequency control circuits. First, the analog project scheme

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4

Huang, Hsieh Chang, Ching Tang Hsieh, and Guang Lin Hsieh. "An Ultra-Low Power Holter and Low Complexity Design Using Mixed Signal Processor." Applied Mechanics and Materials 284-287 (January 2013): 1627–32. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.1627.

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An ultra-low power, portable, and easily implemented Holter recorder is necessary for patients or researchers of electrocardiogram (ECG). Such a Holter recorder with off-the-shelf components is realized with mixed signal processor (MSP) in this paper. To decrease the complexity of analog circuits and the interference of 60 Hz noise from power line, we use the MSP to implement a finite impulse response (FIR) filter which is equiripple design. We also integrate the ring buffer for the input samples and the symmetrical characteristic of the FIR filter for efficiently computing convolution. The ex

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Kappert, Holger, Stefan Dreiner, Dirk Dittrich, et al. "High Temperature 0.35 Micron Silicon-on-Insulator CMOS Technology." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (2014): 000154–58. http://dx.doi.org/10.4071/hitec-wa14.

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Silicon-on-Insulator (SOI) is the most commonly used technology for integrated circuits capable of operating at high temperature. Due to the efficient reduction of leakage current paths much higher operation temperatures are achievable with SOI than with bulk technologies. Published work on high temperature CMOS circuits typically refers to technologies with a minimum feature size of 0.8 to 1.0 micron [1][2][3] even though for complex digital circuits this results in large die size. Technologies with smaller feature size are available but typically not suitable for reliable high temperature op

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Spira, Steffen, Kurt Blau, Reiner Thomä, and Matthias A. Hein. "Agile multi-beam front-end for 5G mm-wave measurements." International Journal of Microwave and Wireless Technologies 13, no. 7 (2021): 740–50. http://dx.doi.org/10.1017/s1759078721000842.

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AbstractThe 5th generation new radio (5G NR) standards create both enormous challenges and potential to address the spatio-spectral-temporal agility of wireless transmission. In the framework of a research unit at TU Ilmenau, various concepts were studied, including both approaches toward integrated circuits and distributed receiver front-ends (FEs). We report here on the latter approach, aiming at the proof-of-principle of the constituting FEs suitable for later modular extension. A millimeter-wave agile multi-beam FE with an integrated 4 by 1 antenna array for 5G wireless communications was

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7

Li, Peng. "The Art of Certifying Analog/Mixed-Signal Circuits." IEEE Design & Test 32, no. 1 (2015): 79–80. http://dx.doi.org/10.1109/mdat.2014.2370852.

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8

Maler, Oded, and Dejan Ničković. "Monitoring properties of analog and mixed-signal circuits." International Journal on Software Tools for Technology Transfer 15, no. 3 (2012): 247–68. http://dx.doi.org/10.1007/s10009-012-0247-9.

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9

Shi, Weiwei, Jinyong Zhang, Zhiguo Zhang, Lizhi Hu, and Yongqian Su. "An introduction and review on innovative silicon implementations of implantable/scalp EEG chips for data acquisition, seizure/behavior detection, and brain stimulation." Brain Science Advances 6, no. 3 (2020): 242–54. http://dx.doi.org/10.26599/bsa.2020.9050024.

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Technological advances in the semiconductor industry and the increasing demand and development of wearable medical systems have enabled the development of dedicated chips for complex electroencephalogram (EEG) signal processing with smart functions and artificial intelligence‐based detections/classifications. Around 10 million transistors are integrated into a 1 mm2 silicon wafer surface in the dedicated chip, making wearable EEG systems a powerful dedicated processor instead of a wireless raw data transceiver. The reduction of amplifiers and analog‐digital converters on the silicon surface ma

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10

Nagulapalli, Rajasekhar, Khaled Hayatleh, and Steve Barker. "A VGA Linearity Improvement Technique for ECG Analog Front-End in 65nm CMOS." Journal of Circuits, Systems and Computers 29, no. 07 (2019): 2050113. http://dx.doi.org/10.1142/s0218126620501133.

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This paper presents a 65[Formula: see text]nm CMOS low-power, highly linear variable gain amplifier (VGA) suitable for biomedical applications. Typical biological signal amplitudes are in the 0.5–100[Formula: see text]mV range, and therefore require circuits with a wide dynamic range. Existing VGA architectures mostly exhibit a poor linearity, due to very low local feedback loop-gain. A technique to increase the loop-gain has been explored by adding additional feedback to the tail current source of the input differential pair. Stability analysis of the proposed technique was undertaken with po

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11

Walter, David, Scott Little, Chris Myers, Nicholas Seegmiller, and Tomohiro Yoneda. "Verification of Analog/Mixed-Signal Circuits Using Symbolic Methods." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 27, no. 12 (2008): 2223–35. http://dx.doi.org/10.1109/tcad.2008.2006159.

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12

Fan, Chuchu, Yu Meng, Jürgen Maier, Ezio Bartocci, Sayan Mitra, and Ulrich Schmid. "Verifying nonlinear analog and mixed-signal circuits with inputs." IFAC-PapersOnLine 51, no. 16 (2018): 241–46. http://dx.doi.org/10.1016/j.ifacol.2018.08.041.

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13

HOLMAN, W. T. "RADIATION-TOLERANT DESIGN FOR HIGH PERFORMANCE MIXED-SIGNAL CIRCUITS." International Journal of High Speed Electronics and Systems 14, no. 02 (2004): 353–66. http://dx.doi.org/10.1142/s0129156404002405.

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Modern semiconductor processes can provide significant intrinsic hardness against radiation effects in digital and analog circuits. Current design techniques using commercial processes for radiation-tolerant integrated circuits are summarized, with an emphasis on their application in high performance mixed-signal circuits and systems. Examples of "radiation hardened by design" (RHBD) methodologies are illustrated for reducing the vulnerability of circuits and components to total dose, single-event, and dose-rate effects.

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14

Gielen, G. G. E., and R. A. Rutenbar. "Computer-aided design of analog and mixed-signal integrated circuits." Proceedings of the IEEE 88, no. 12 (2000): 1825–54. http://dx.doi.org/10.1109/5.899053.

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15

Zhou, Hongxia, Chiu-Wing Sham, and Hailong Yao. "Revisiting Routability-Driven Placement for Analog and Mixed-Signal Circuits." ACM Transactions on Design Automation of Electronic Systems 23, no. 2 (2018): 1–17. http://dx.doi.org/10.1145/3131849.

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16

Gong, Fang, Sina Basir-Kazeruni, Lei He, and Hao Yu. "Stochastic Behavioral Modeling and Analysis for Analog/Mixed-Signal Circuits." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 32, no. 1 (2013): 24–33. http://dx.doi.org/10.1109/tcad.2012.2217961.

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17

Kobayashi, Haruo, Anna Kuwana, Jianglin Wei, Nobukazu Tsukiji, and Yujie Zhao. "Testing Technologies for Analog/Mixed-Signal Circuits in IoT Era." IEEJ Transactions on Electronics, Information and Systems 141, no. 1 (2021): 1–12. http://dx.doi.org/10.1541/ieejeiss.141.1.

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18

Turflinger, T. L. "Single-event effects in analog and mixed-signal integrated circuits." IEEE Transactions on Nuclear Science 43, no. 2 (1996): 594–602. http://dx.doi.org/10.1109/23.490903.

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19

Richelli, Anna. "EMI Susceptibility Issue in Analog Front-End for Sensor Applications." Journal of Sensors 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/1082454.

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The susceptibility to electromagnetic interferences of the analog circuits used in the sensor readout front-end is discussed. Analog circuits still play indeed a crucial role in sensor signal acquisition due to the analog nature of sensory signals. The effect of electromagnetic interferences has been simulated and measured in many commercial and integrated analog circuits; the main cause of the electromagnetic susceptibility is investigated and the guidelines to design high EMI immunity circuits are provided.

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20

Hurst, S. L. "Analog signal generation for built-in self-test of mixed-signal integrated circuits." Microelectronics Journal 27, no. 1 (1996): 103–4. http://dx.doi.org/10.1016/s0026-2692(96)90016-6.

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21

da Silva, J. Machado, J. Silva Matos, Ian M. Bell, and Gaynor E. Taylor. "Mixed current/voltage observation towards effective testing of analog and mixed-signal circuits." Journal of Electronic Testing 9, no. 1-2 (1996): 75–88. http://dx.doi.org/10.1007/bf00137566.

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22

Cheng, Ming Yuan, Kwan Ling Tan, Wei Guo Chen, et al. "Silicon-Based Multichannel Probe Integrated with a Front End Low Power Neural Recording IC for Acute Neural Recording." Advanced Materials Research 849 (November 2013): 189–94. http://dx.doi.org/10.4028/www.scientific.net/amr.849.189.

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This work presents a silicon-based multichannel probe integrated with a front end low power neural recording integrated circuit (IC) which is used in acute neural recording application. The low power neural recording IC contains 100-channel analog recording front-ends, 10 multiplexing successive approximation register ADCs, digital control modules and power management circuits. The 100-channel neural recording IC consumes 1.16-mW, making it the optimum solution for multi-channel neural recording systems. The neural recording IC and Si probe are integrated in a printed circuit board (PCB) which

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23

Melis, Tommaso, Emmanuel Simeu, Etienne Auvray, and Paul Armagnat. "Analog and mixed-signal circuits simulation for product level EMMI analysis." Microelectronics Reliability 114 (November 2020): 113881. http://dx.doi.org/10.1016/j.microrel.2020.113881.

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24

Bizzarri, Federico, Angelo Brambilla, and Giancarlo Storti Gajani. "Steady State Computation and Noise Analysis of Analog Mixed Signal Circuits." IEEE Transactions on Circuits and Systems I: Regular Papers 59, no. 3 (2012): 541–54. http://dx.doi.org/10.1109/tcsi.2011.2167273.

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25

Yao, Hailong, Qiang Gao, Yici Cai, Qiang Zhou, and Chiu-Wing Sham. "Length matching in detailed routing for analog and mixed signal circuits." Microelectronics Journal 45, no. 6 (2014): 604–12. http://dx.doi.org/10.1016/j.mejo.2014.04.007.

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26

Akbay, S. S., A. Halder, A. Chatterjee, and D. Keezer. "Low-Cost Test of Embedded RF/Analog/Mixed-Signal Circuits inSOPs." IEEE Transactions on Advanced Packaging 27, no. 2 (2004): 352–63. http://dx.doi.org/10.1109/tadvp.2004.828819.

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27

Little, Scott, David Walter, Chris Myers, Robert Thacker, Satish Batchu, and Tomohiro Yoneda. "Verification of Analog/Mixed-Signal Circuits Using Labeled Hybrid Petri Nets." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 30, no. 4 (2011): 617–30. http://dx.doi.org/10.1109/tcad.2010.2097450.

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28

Arabi, K., and B. Kaminska. "Testing analog and mixed-signal integrated circuits using oscillation-test method." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 16, no. 7 (1997): 745–53. http://dx.doi.org/10.1109/43.644035.

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29

Li, Bo, and Guoyong Shi. "A Native SPICE Implementation of Memristor Models for Simulation of Neuromorphic Analog Signal Processing Circuits." ACM Transactions on Design Automation of Electronic Systems 27, no. 1 (2022): 1–24. http://dx.doi.org/10.1145/3474364.

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Since the memristor emerged as a programmable analog storage device, it has stimulated research on the design of analog/mixed-signal circuits with the memristor as the enabler of in-memory computation. Due to the difficulty in evaluating the circuit-level nonidealities of both memristors and CMOS devices, SPICE-accuracy simulation tools are necessary for perfecting the art of neuromorphic analog/mixed-signal circuit design. This article is dedicated to a native SPICE implementation of the memristor device models published in the open literature and develops case studies of applying such a circ

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30

Qi, Min, An-qiang Guo, and Dong-hai Qiao. "A High-Temperature, Low-Noise Readout ASIC for MEMS-Based Accelerometers." Sensors 20, no. 1 (2019): 241. http://dx.doi.org/10.3390/s20010241.

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This paper presents the development and measurement results of a complementary metal oxide semiconductor (CMOS) readout application-specific integrated circuit (ASIC) for bulk-silicon microelectromechanical system (MEMS) accelerometers. The proposed ASIC converts the capacitance difference of the MEMS sensor into an analog voltage signal and outputs the analog signal with a buffer. The ASIC includes a switched-capacitor analog front-end (AFE) circuit, a low-noise voltage reference generator, and a multi-phase clock generator. The correlated double sampling technique was used in the AFE circuit

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31

Arbel, Arie F. "Pure mode versus mixed mode interfacing between analog circuits." Analog Integrated Circuits and Signal Processing 4, no. 2 (1993): 167–72. http://dx.doi.org/10.1007/bf01254867.

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32

OHGURO, Tatsuya, Satoshi INABA, Akio KANEKO, and Kimitoshi OKANO. "Technology of FinFET for High RF and Analog/Mixed-Signal Performance Circuits." IEICE Transactions on Electronics E98.C, no. 6 (2015): 455–60. http://dx.doi.org/10.1587/transele.e98.c.455.

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33

Xu, Qingyao, Shaohui Cui, Changbin Xu, and Lujie Han. "The Research on Fault Model in Nonlinear Analog and Mixed-Signal Circuits." Procedia Engineering 29 (2012): 4152–56. http://dx.doi.org/10.1016/j.proeng.2012.01.635.

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34

Kim, Byoungho, and Jacob Abraham. "Bitstream-Driven Built-In Characterization for Analog and Mixed-Signal Embedded Circuits." IEEE Transactions on Circuits and Systems II: Express Briefs 61, no. 10 (2014): 743–47. http://dx.doi.org/10.1109/tcsii.2014.2335436.

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35

Esch, J. "Prolog to computer-aided design of analog and mixed-signal integrated circuits." Proceedings of the IEEE 88, no. 12 (2000): 1823–24. http://dx.doi.org/10.1109/jproc.2000.899052.

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36

NAHHAL, Tarik, and Thao Dang. "Test Generation for Analog and Mixed-Signal Circuits Using Hybrid System Models." International Journal of VLSI Design & Communication Systems 2, no. 3 (2011): 21–38. http://dx.doi.org/10.5121/vlsic.2011.2302.

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37

LITTLE, SCOTT, DAVID WALTER, KEVIN JONES, CHRIS MYERS, and ALPER SEN. "ANALOG/MIXED-SIGNAL CIRCUIT VERIFICATION USING MODELS GENERATED FROM SIMULATION TRACES." International Journal of Foundations of Computer Science 21, no. 02 (2010): 191–210. http://dx.doi.org/10.1142/s0129054110007209.

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Verification of analog/mixed-signal (AMS) circuits is complicated by the difficulty of obtaining circuit models at suitable levels of abstraction. We propose a method to automatically generate abstract models suitable for formal verification and system-level simulation from transistor-level simulation traces. This paper discusses the application of the proposed methodology to a switched capacitor integrator and PLL phase detector.

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38

LITOVSKI, VANČO B., MIONA V. ANDREJEVIĆ, PREDRAG M. PETKOVIĆ, and ROBERT I. DAMPER. "ANN APPLICATION TO MODELING OF THE D/A AND A/D INTERFACE FOR MIXED-MODE BEHAVIORAL SIMULATION." Journal of Circuits, Systems and Computers 13, no. 01 (2004): 181–92. http://dx.doi.org/10.1142/s0218126604001325.

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Artificial neural networks are applied for modeling the input and output circuits of the digital part of the digital–analog and analog–digital interface, respectively, in CMOS mixed-mode circuits. The generalization property of the neural networks is exploited to apply the models in a set of previously unknown situations, the most important being loading the model generated from the unloaded circuit. The models developed are applicable in mixed-signal behavioral simulations.

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39

ESMAILI, ARASH, ABDOLLAH KHOEI, and KHAYROLLAH HADIDI. "A HIGH SPEED AND COMPACT MIXED-SIGNAL CMOS FUZZIFIER." Journal of Circuits, Systems and Computers 15, no. 05 (2006): 659–69. http://dx.doi.org/10.1142/s0218126606003283.

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A novel high speed linear tunable transconductor suitable for analog and mixed-signal fuzzy circuits operating in current mode is proposed. Using this OTA, we construct a high speed fuzzifier and implement trapezoidal/triangular functions with all parameters (slope, width, and position) independently and continuously tunable, and excellent for low voltage applications. Computer simulations verify the performance of this circuit, showing high speed (up to 100 MHz) and a high support range (up to 2.5 V).

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40

Rajendran, Selvakumar, Arvind Chakrapani, Srihari Kannan, and Abdul Quaiyum Ansari. "A Research Perspective on CMOS Current Mirror Circuits: Configurations and Techniques." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 14, no. 4 (2021): 377–97. http://dx.doi.org/10.2174/2352096514666210127140831.

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Background: Immense growth in the field of VLSI technology is fuelled by its feasibility to realize analog circuits in μm and nm technology. The current mirror (CM) is a basic building block used to enhance performance characteristics by constructing complex analog/mixed-signal circuits like amplifier, data converters and voltage level converters. In addition, the current mirror finds diverse applications from biasing to current-mode signal processing. Methods: In this paper, the Complementary Metal Oxide Semiconductor (CMOS) technologybased current mirror (CM) circuits are discussed with thei

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41

Fuada, Syifaul, Angga Pratama Putra, Yulian Aska, and Trio Adiono. "A First Approach to Design Mobility Function and Noise Filter in VLC System Utilizing Low-cost Analog Circuits." International Journal of Recent Contributions from Engineering, Science & IT (iJES) 5, no. 2 (2017): 14. http://dx.doi.org/10.3991/ijes.v5i2.6700.

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<p class="0abstract">Visible Light Communication (VLC) as one of wireless technology must be able to offer a good capability as mobile communication system. The signal will be faded when the distance and angle of LED to photo-detector become higher at a certain distance. Other problem at VLC system is light interference noise which is caused by flicker effect from other light sources such as incandescent, fluorescent, DC-lamp (i.e. flashlight) and the sunlight. Each of lights have specific carried signal characteristics and it can influences the VLC system. In this paper we offer design

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42

Poornimasre, J., R. Harikumar, and P. Saravanakumar. "A Survey on Test pattern compression Techniques in Analog and Mixed signal circuits." International Journal of Research in Advent Technology 7, no. 6 (2019): 17–19. http://dx.doi.org/10.32622/ijrat.76201902.

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43

Luo, Pei-Wen, Jwu-E. Chen, Chin-Long Wey, Liang-Chia Cheng, Ji-Jan Chen, and Wen-Ching Wu. "Impact of Capacitance Correlation on Yield Enhancement of Mixed-Signal/Analog Integrated Circuits." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 27, no. 11 (2008): 2097–101. http://dx.doi.org/10.1109/tcad.2008.2006139.

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44

Rathinam, A., R. Srinivasa Raghavan, and R. Venkatraman. "Implementation of Simualtions of Analog, Digital & Mixed Signal Integrated Circuits Using Pspice." International Journal of Computer Applications 1, no. 27 (2010): 71–77. http://dx.doi.org/10.5120/498-812.

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45

Das, Sunil R., Jila Zakizadeh, Satyendra Biswas, et al. "Testing Analog and Mixed-Signal Circuits With Built-In Hardware—A New Approach." IEEE Transactions on Instrumentation and Measurement 56, no. 3 (2007): 840–55. http://dx.doi.org/10.1109/tim.2007.894223.

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46

HU, G., H. WANG, and S. YANG. "Combined Self-Test of Analog Portion and ADCs in Integrated Mixed-Signal Circuits." IEICE Transactions on Information and Systems E91-D, no. 8 (2008): 2134–40. http://dx.doi.org/10.1093/ietisy/e91-d.8.2134.

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47

Borel, Andžej. "DEVELOPMENT AND INVESTIGATION OF INPUT AMPLIFIER FOR THE OSCILOSCOPE." Mokslas - Lietuvos ateitis 12 (January 20, 2020): 1–5. http://dx.doi.org/10.3846/mla.2020.11420.

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Digital oscilloscope’s structure has analog signal acquisition circuit, which transforms signal’s amplitude to fit ADC dynamic range. This circuit is commonly called oscilloscope’s vertical or front-end amplifier. Difficulty in designing front-end amplifiers in GHz range largely affects higher frequency range oscilloscope’s price. This work is focused on designing a front-end amplifier using discrete and openly sold components. We propose a design for attenuator, buffer, variable gain circuits. Amplifier’s prototype is designed. Main characteristics of the amplifier were measured. Measured ban

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48

Chen, Chengying, Liming Chen, and Jun Yang. "A Mixed-Signal Programmable Time-Division Power-On-Reset and Volume Control Circuit for High-Resolution Hearing-Aid SoC Application." Journal of Electrical and Computer Engineering 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/1502749.

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A mixed-signal programmable Time-Division Power-On-Reset (TD-POR) circuit based on 8-bit Successive Approximation Analog-to-Digital Converter (SAR ADC) for accurate control in low-power hearing-aid System on Chip (SoC) is presented in this paper. The end-of-converter (EOC) signal of SAR ADC is used as the mode-change signal so that the circuit can detect the battery voltage and volume voltage alternately. And the TD-POR circuit also has brown-out reset (BOR) detection capability. Through digital logic circuit, the POR, BOR threshold, and delay time can be adjusted according to the system requi

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49

Bae, Seung Yong, Jong Do Lee, Eun Ju Choe, and Gil Cho Ahn. "Low Distortion Analog Front-End for Digital Electret Microphone." Applied Mechanics and Materials 475-476 (December 2013): 1633–37. http://dx.doi.org/10.4028/www.scientific.net/amm.475-476.1633.

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This paper presents a low distortion analog front-end (AFE) circuit to process electret microphone output signal. A source follower is employed for the input buffer to interface electret microphone directly to the IC with level shifting. A single-ended to differential converter with output common-mode control is presented to compensate the common-mode variation resulted from gate to source voltage variation in the source follower. A replica stage is adopted to control the output bias voltage of the single-ended to differential converter. The prototype AFE circuit fabricated in a 0.35μm CMOS te

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50

Bravo-Zanoguera, Miguel, Daniel Cuevas-González, Juan P. García-Vázquez, Roberto L. Avitia, and M. A. Reyna. "Portable ECG System Design Using the AD8232 Microchip and Open-Source Platform." Proceedings 42, no. 1 (2019): 49. http://dx.doi.org/10.3390/ecsa-6-06584.

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This paper presents the design of a portable electrocardiograph (ECG) device using the AD8232 microchip as the analog front-end (AFE). Starting with the manufacturer’s evaluation board of the AFE chip for testing circuit configurations, open-source hardware and software components were integrated into a breadboard prototype. Ultimately, a custom printed circuit board (PCB) was produced. The prototype required to accommodate the microchip on a SMD-to-DIP adapter for testing with the breadboard-friendly Arduino microcontroller alongside a data logger and a Bluetooth breakout board. The analog EC

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