Academic literature on the topic 'FM Transmitter'
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Journal articles on the topic "FM Transmitter"
Zhou, B., W. Rhee, and Z. Wang. "Reconfigurable FM-UWB transmitter." Electronics Letters 47, no. 10 (2011): 628. http://dx.doi.org/10.1049/el.2011.0261.
Full textSutanto, Harry, and Bosker Sinaga. "Analisa Certainty Factor Dalam Mendiagnosa Kerusakan Alat Pemancar Radio 87.6 Dass FM Lubuk Pakam." Jurnal Nasional Komputasi dan Teknologi Informasi (JNKTI) 3, no. 2 (October 26, 2020): 80–87. http://dx.doi.org/10.32672/jnkti.v3i2.2298.
Full textKovalgin, Y. "On the Application of the Radio Mobile Software for Calculating the Coverage Zones of Transmitters Broadcasting in the VHF Range." Proceedings of Telecommunication Universities 7, no. 2 (June 30, 2021): 24–36. http://dx.doi.org/10.31854/1813-324x-2021-7-2-24-36.
Full textRyu, Jeong-Tak. "Development of miniaturized dual-frequency FM transmitter." Journal of the Korea Industrial Information Systems Research 16, no. 5 (December 30, 2011): 31–35. http://dx.doi.org/10.9723/jksiis.2011.16.5.031.
Full textHallberg, Örjan. "Cancer incidence vs. FM radio transmitter density." Electromagnetic Biology and Medicine 35, no. 4 (June 29, 2016): 343–47. http://dx.doi.org/10.3109/15368378.2016.1138122.
Full textAli, Mohamed, Heba Shawkey, and Abdelhalim Zekry. "A 750μW 3.5–4.5GHz FM-UWB transmitter." Journal of Electrical Systems and Information Technology 2, no. 1 (May 2015): 133–40. http://dx.doi.org/10.1016/j.jesit.2015.03.012.
Full textShrivastava, Abhishek. "Design and development of low-range frequency modulated signal (F.M.) transmitter." BIBECHANA 15 (December 19, 2017): 30–36. http://dx.doi.org/10.3126/bibechana.v15i0.18279.
Full textLewis, M. Samantha, Carl C. Crandell, and Nicole V. Kreisman. "Effects of Frequency Modulation (FM) Transmitter Microphone Directivity on Speech Perception in Noise." American Journal of Audiology 13, no. 1 (June 2004): 16–22. http://dx.doi.org/10.1044/1059-0889(2004/004).
Full textMappatao, Gerino, Isaiah Mari Zebedia Bautista, Marc Kevin Orsos, Mark Aldrine Ribo, and Joseph Castillo. "Development of a remote tending system for analog broadcast transmitters." Indonesian Journal of Electrical Engineering and Computer Science 15, no. 3 (September 1, 2019): 1474. http://dx.doi.org/10.11591/ijeecs.v15.i3.pp1474-1484.
Full textSehpudin, Agung, and Achmad Fachrodji. "DETERMINANT FACTOR OF LISTENER LOYALTY TO POP FM JAKARTA." Dinasti International Journal of Digital Business Management 1, no. 6 (November 9, 2020): 954–65. http://dx.doi.org/10.31933/dijdbm.v1i6.587.
Full textDissertations / Theses on the topic "FM Transmitter"
Jeske, Harold O. "MEANINGFUL FM TRANSMITTER MODULATION LINEARITY MEASUREMENTS." International Foundation for Telemetering, 1986. http://hdl.handle.net/10150/615542.
Full textIn Frequency Division Multiplex (FDM) systems, nonlinearities in the modulation and demodulation processes of the transmission system produce intermodulation (IM) products which are effectively added to the desired modulation. The effect of these added products is the degradation of data accuracy in the form of noise on the subcarrier data. Currently there are no standard test procedures or specifications that permit the prediction of the level of these IM products during system design. The characterization of transmitter modulation linearity by the measurement of IM, or cross-products, produced by simultaneous modulation by two tones, is considered ideal. This is because the test conditions can closely simulate the highest modulation level subcarriers used and the necessary demodulation equipment can he readily calibrated using common frequency modulated sources. The modulation tones used are both in the upper portion of the transmission system’s baseband and at a modulation level near the level of intended use. Measurement of only the difference frequency IM component, (f !f ), is considered 2 1 adequate for the determination of 2nd order nonlinearities. The 3rd order IM components are measured only at (2f !f ) and (2f !f ) and are normally found to be of equal 1 2 2 1 amplitudes with FM transmitters. All higher order products, as well as direct harmonics, are ignored. From the three IM level measurements, and the two desired tones, the 2nd and 3rd order modulation intercept points (IP and IP ) are determined in essentially the 2 3 same manner as the intercept point, or IP, that is common in specifying the linearity of broadband RF amplifiers. When the amplitude of the various signal and IM components are plotted on log-log scales, the desired signals have a slope of one while the 2nd and 3rd order products have slopes of two and three respectively. On log-log plots the intercept point is the modulation level at which extensions of the low level values of the IM components meet the extension of the desired modulation level. Once the IP values are determined, they may be readily used for system IM calculations. Measured IM levels in a sixteen channel FDM system compared very favorably with predicted levels using the IP values obtained from two-tone tests. The nonlinearities of the demodulator employed in the test system may be evaluated by the use of the “beat” frequency of two independently modulated FM signal sources as the required input to the demodulator. The IM products in the demodulator output in this case are due only to the demodulator’s transfer characteristics. IM product levels of the test system greater than 60 dB below the simultaneous modulation level of ±300 kHz each by 400 and 450 kHz tones are obtained at Sandia Laboratories. The use of two-tone IM tests for the evaluation and specification of FM transmitter modulation linearity is strongly recommended.
Fengden, Lou. "A New S-Band FM Telemetry Transmitter." International Foundation for Telemetering, 1988. http://hdl.handle.net/10150/615224.
Full textThis paper describes the design, test and the analysis of the test results of a new type S-band FM telemetry transmitter. Compared with the modulator adopting conventional fundamental crystal direct modulation, the transmitter which adopts UHF fundamental crystal direct modulation has a comparatively better modulation characteristics and a higher center frequency stability. The test results show that the deviation sensitivity of the transmitter is up to 400KHz/Vrms, frequency response is DC~200 KHz, total harmonic distortion is 3% and the center frequency stability is ten to the minus fifth power within the range of - 30~+70°c. Because of the high operating frequency of the modulator, the complicacy of the frequency multiplier has been requced, design of circuitry simplified and harmonic and spurious outputs has been improved to a great extent.
Khatun, MST Afroza. "Near-Field Characterization of FM Transmitter Devices in Mobile Phone Applications." Thesis, University of Gävle, Department of Technology and Built Environment, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-3097.
Full textMobile Phone, without this we can’t think to pass a day in presence. We have found a rapid increase of mobile phone users from a few years ago till now. Day by day the modern technologies allow the mobile phone to become smaller, cheaper, and more reliable. This also creates new possibilities for applications and integrations of the classical broadcast systems and modern mobile phone technologies. One example is the FM transmitter in mobile phone. The FM transmitter in a mobile phone is a “cool” feature which allows listening to the music content in phone on a car or home radio.
This thesis work deals with the near field characterization of FM transmitters in mobile phone applications. The RF scientists and engineers neglect the near field zone because typical RF links operate at distances of many wavelengths away where near field effects are totally insignificant. But in this work we are interested in the near field properties of the FM transmitter. We measured the field intensity at near field and estimated the field strength at the far field region at 3 meters. To measure the field intensity and the effective radiated power we used HR1 near field scanner. As this is a new measurement approach, we made the validation of this system by measuring a reference dipole antenna at 880MHz and then compare the measured results to the CST simulation results. A basic phone model of FM transmitter has been created by CST simulation and a prototype has been made which was also used as our DUT. After validation of the near field measurement system we measured our DUTs (3 models-one cable fed prototype and two active devices) with the near field system and estimate the effective radiated power and field intensity at 3 meter. Furthermore, we measured our DUTs at 3 meter with a far field measurement system with optical fiber connection. A feasible relation between field strength and measured power was defined in order to correlate the near field scanner results with the far field measurement system.
This paper also provides a short design guide line for built in FM antennas by relating the antenna size and placement to input power and the field strength in mobile phone FM transmitter application
Bozarth, Don, and Greg Horcher. "BENEFITS AND TECHNIQUES FOR INCREASED POWER EFFICIENCY IN MODERN TELEMETRY TRANSMITTERS." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604585.
Full textWith recent developments in telemetry transmitter technologies, significantly greater DC to RF power efficiencies can be achieved. These new high efficiency transmitter designs may impact overall system design trade-offs by reducing the system size and weight requirements for batteries, heat sinks, and cabling. Furthermore, these fully DC isolated, next generation ARTM Tier 0, I and II enabled devices offer unique options to the platform designer in EMI/EMC control and system design. Advanced manufacturing techniques coupled with adaptive microprocessor control promises enhanced functionality, improved performance and reduced unit costs. The paper presents the performance of a new, high efficiency, telemetry transmitter topology and the possible system benefits involved with the application of this advanced transmitter technology within modern and legacy telemetry platforms. Specific sub-assembly circuit design techniques will be discussed and compared with prior design approaches.
Banghua, Zhou, and Xiao Shiwei. "A Technical Study on Microwave FM Locked in Phase of Telemetry Transmitters." International Foundation for Telemetering, 2001. http://hdl.handle.net/10150/607683.
Full textThis paper describes techniques on the microwave FM locked in phase of transmitters in the reentry telemetry system. A few scheme configurations on the microwave FM locked in phase, its circuit characteristics and applications are analyzed. Research results show that the two-point injection microwave FM locked in phase is suitable for the telemetry system, which code rate is higher, band of wide, and modulation response very well.
Klíma, Martin. "FM vysílač APRS telemetrických dat v pásmu 435 MHz." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218996.
Full textHonglin, Yang, and Yang Yonghui. "TECHNOLOGY ON TRANSMITTING A SINGLE SUPER FAST WAVEFORM SIGNAL IN REAL-TIME." International Foundation for Telemetering, 1998. http://hdl.handle.net/10150/607374.
Full textThis paper describes the technology on transmitting a single super fast waveform signal in real-time and introduces the general situation of the telemetry transmitter in vehicle. The equipment is a FM system in view of RF frequency, it is a pulse system in view of RF power. This equipment can transfer not only super fast waveform signals but also slowly varying conventional telemetry signals. The design is very novel. It is a multi-usage telemetry transmitter in vehicle.
Kováč, Marek. "Digitální AM/FM vysílač." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220601.
Full textMalan, Frederich T. "Reduction of the antenna coupling in a bi-static, FM-CW radar system." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/18029.
Full textENGLISH ABSTRACT: A well-known problem with FM-CW radar systems is the leakage of transmitter power into the receiver which leads to the making of close-in targets, and can severely limit the system dynamic range performance. This thesis considers two solutions to this radar system problem for a low frequency radar operating in the VHF band. The first method to suppress coupling is using separate transmit and receive antennas designed in such a way as to reduce coupling between them. The second is to design a negative feedback loop as part of the radar receiver where the feedback loop adaptively reduces the amount of transmitter leakage through to the receiver. This project details the realisation of these two solutions. A number of antenna designs are modelled in software and simulated to determine their characteristics of which the transmit-to-receive coupling is the key parameter. As no low coupling configuration could be found a simple configuration is chosen and practical measurements are taken. These antennas are then used in the radar system that is to be built. An FM-CW radar system is designed and simulated using software with a negative feedback loop being designed and implemented into the radar simulation. A practical radar system is then made inclusive of the feedback loop. Measurements are then taken to determine the efficacy of the feedback loop.
AFRIKAANSE OPSOMMING: ʼn Bekende probleem met FM-CW radar stelsels is die lekkasie van versender krag tot in die ontvanger wat lei tot die maak van nabye teikens en kan die stelsel se dinamiese sendbereik steng beperk. Hierdie tesis oorweeg twee oplossings tot hierdie probleem vir ʼn lae frekwensie radar wat in die VHF band werk. Die eerste metode wat na gekyk word om die koppeling te onderdruk is om die twee antennas van die radar stelsel so te ontwerp sodat die hoeveelheid koppeling tussen hulle verminder is. Die tweede is om ʼn negatiewe terugvoerlus as deel van die ontvanger te ontwerp. Hierdie terugvoerlus sal die versender lekkasie sein aanpassend in die ontvanger verminder. In hierdie projek word die realisering van bogenoemde oplossings uiteengeset. ʼn Paar verskillende antenna ontwerpe word gemodelleer in sagteware en word gesimuleer om hul karakteristieke te bepaal. Die belangrikste van hierdie faktore is die versender na ontvanger koppeling. Sienend dat geen ontwerp met ʼn lae genoeg koppeling gevind kon word nie, is ʼn eenvoudige ontwerp gekies en praktiese metings daarvan geneem. Hierdie antennas word dan gebruik in die radar stelsel wat gebou sal word. ʼn FM-CW radar stelsel word ontwerp en gesimuleer in sagteware. Die negatiewe terugvoerlus word ook ontwerp en geïmplementeer in die radar simulasie. ʼn Praktiese radar stelsel word dan gemaak insluitend die terugvoerlus. Metings word dan geneem om die effektiwiteit daarvan te bepaal.
Snyman, A. (Anton). "Synthesizer modulation for wideband FM generation." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/49736.
Full textENGLISH ABSTRACT: The high performance of present digital phase-locked loops makes it the preferred choice for the generation of stable, low noise, tunable local oscillators in wireless communications applications. Most transmitters use superheterodyn techniques for up-conversion of the modulated signal to the required transmission frequency. Another technique is to inject the modulation signal into a phase-locked loop and consequently generate a frequency modulated signal directly at the transmission frequency. The aim of this study is to obtain a synthesizer configuration for the effective generation of wideband FM, considering both passive and active loop filters. The selection is based on synthesizer output signal quality, settling time and loop response to the modulation signal.
AFRIKAANSE OPSOMMING: Die hoe werksverrigting van fase-sluit lusse maak dit die verkiesde keuse vir die generasie van stabiele, lae ruis, verstelbare ossillators vir draadlose kommunikasie toepassings. Meeste senders gebruik "superheterodyn" tegnieke vir die op-menging van die gemoduleerde sein na die verlangde uitsaai frekwensie. 'n Ander tegniek is om die modulasie sein in 'n fase-sluit Ius te voer en so doende 'n gemoduleerde sein direk by die transmissie frekwensie te genereer. Die doel van hierdie studie is om 'n sintetiseerder konfigurasie te verkry vir die effektiewe opwekking van 'n wyeband FM sein, deur beide passiewe en aktiewe Ius filters in konsiderasie te neem. Die seleksie geskiet gebaseer op sintetiseerder uittree sein kwaliteit, sluit tyd en Ius gedrag as gevolg van die modulasie sein.
Books on the topic "FM Transmitter"
), National Institute of Justice (U S. Personal FM transceivers. Washington, D.C: U. S. Dept. of Justice, National Institute of Justice, 1985.
Find full text), National Institute of Justice (U S. Mobile FM transceivers. Washington, D.C: U. S. Dept. of Justice, National Institute of Justice, 1986.
Find full textNational Institute of Justice (U.S.). Mobile FM transceivers. Washington, D.C: U. S. Dept. of Justice, National Institute of Justice, 1986.
Find full text), National Institute of Justice (U S. Personal FM transceivers. Washington, D.C: U. S. Dept. of Justice, National Institute of Justice, 1985.
Find full textKogawa, testuo. how to build a low-power fm radio transmitter: Based on the plans of tetsuo Kogawa. Vancouver: Robert Kozinuk, 2010.
Find full textNational Institute of Justice (U.S.). Body-worn FM transmitters. Washington, D.C: U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 1990.
Find full textNational Institute of Justice (U.S.). Body-worn FM transmitters. Washington, D.C: U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 1990.
Find full textNational Institute of Justice (U.S.). Body-worn FM transmitters. Washington, D.C: U.S. Dept. of Justice, Office of Justice Programs, National Institute of Justice, 1990.
Find full text), National Institute of Justice (U S. Fixed and base station FM transmitters. Washington, D.C: The Institute, 1988.
Find full textNational Institute of Justice (U.S.). Fixed and base station FM transmitters. Washington, D.C: The Institute, 1988.
Find full textBook chapters on the topic "FM Transmitter"
Moslehpour, Saeid, Jun Kondo, and Hisham Alnajjar. "FM Transmitter System for Telemetrized Temperature Sensing Project." In Novel Algorithms and Techniques in Telecommunications and Networking, 437–42. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-3662-9_75.
Full textAnand, M. L. "FM Transmitters." In Modern Electronics and Communication Engineering, 307–19. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003222972-20.
Full textArtem, Volokyta, Shymkovych Volodymyr, Volokyta Ivan, and Vasyliev Vladyslav. "Research and Development of a Stereo Encoder of a FM-Transmitter Based on FPGA." In Advances in Intelligent Systems and Computing, 92–101. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-91008-6_10.
Full textRyu, Jeong-Tak, and Kyung Ki Kim. "Mini-FM Transmitter with a Built-In Antenna and a Built-In Storage Battery." In Lecture Notes in Electrical Engineering, 567–74. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5076-0_69.
Full textAnand, M. L. "FM Generation, Modulators and Transmitters." In Principles of Communication Engineering, 163–76. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003222279-8.
Full text"4 FM transmitters." In Aircraft Communications and Navigation Systems, 58. Routledge, 2013. http://dx.doi.org/10.4324/9780080941523-28.
Full textWelton, Jeff. "VHF (FM) Radio Transmitters." In National Association of Broadcasters Engineering Handbook, 1331–44. Routledge, 2017. http://dx.doi.org/10.4324/9781315680149-68.
Full textMendenhall, Geoffrey N., and P. E. Richard J. Fry. "Transmitters for FM Broadcasting." In Encyclopedia of RF and Microwave Engineering. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471654507.eme461.
Full textMendenhall, Geoffrey N. "FM and Digital Radio Broadcast Transmitters." In National Association of Broadcasters Engineering Handbook, 777–823. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-240-80751-5.50053-9.
Full text"7 FM and Digital Radio Transmitters." In National Association of Broadcasters Engineering Handbook, 791–837. Routledge, 2013. http://dx.doi.org/10.4324/9780080927282-56.
Full textConference papers on the topic "FM Transmitter"
Almeida, Leonel, Miguel A. Martins, and Jorge R. Fernandes. "FM-UWB transmitter using RC oscillators." In 2013 IEEE 11th International New Circuits and Systems Conference (NEWCAS). IEEE, 2013. http://dx.doi.org/10.1109/newcas.2013.6573644.
Full textAli, Mohamed, Heba Shawkey, and Abdelhalim Zekry. "Ultra-low power 3.5–4.5GHz FM-UWB transmitter." In 2013 18th International Conference on Digital Signal Processing (DSP). IEEE, 2013. http://dx.doi.org/10.1109/siecpc.2013.6550756.
Full textJiabing, Zhu, Hong Yi, and Tao Liang. "Adaptive Beamforming Passive Radar Based on FM Radio Transmitter." In 2006 CIE International Conference on Radar. IEEE, 2006. http://dx.doi.org/10.1109/icr.2006.343587.
Full textMusa, A., and B. S. Paul. "Design of an FM Transmitter Powered By Piezoelectric Energy." In 2019 IEEE International Smart Cities Conference (ISC2). IEEE, 2019. http://dx.doi.org/10.1109/isc246665.2019.9071698.
Full textAli, Mohamed, Mohamad Sawan, Heba Shawkey, and Abdelhalim Zekry. "PLL based BFSK subcarrier generator for FM-UWB transmitter." In 2016 14th IEEE International New Circuits and Systems Conference (NEWCAS). IEEE, 2016. http://dx.doi.org/10.1109/newcas.2016.7604814.
Full textZhu Jiabing, Hong Yi, and Tao Liang. "Adaptive beamforming passive radar based on FM radio transmitter." In IET International Conference on Radar Systems 2007. IEE, 2007. http://dx.doi.org/10.1049/cp:20070488.
Full textYing Wu, Xiaodong Liu, Dawei Ye, Vijay Viswam, Lin Zhu, Ping Lu, Dejan Radjen, and Henrik Sjoland. "A 0.13µm CMOS ΔΣ PLL FM transmitter." In 2011 NORCHIP. IEEE, 2011. http://dx.doi.org/10.1109/norchp.2011.6126744.
Full textJiang, Xiaoyan, and Yujun Bao. "Design of FM Wireless Transmitter Circuit Parameters Base on SP1417." In 2009 Second International Symposium on Knowledge Acquisition and Modeling. IEEE, 2009. http://dx.doi.org/10.1109/kam.2009.116.
Full textGinsburg, Brian P., Krishnasawamy Nagaraj, Neeraj Nayak, Mehmet Ozgun, Karthik Subburaj, Sriram Murali, and Francisco Ledesma. "Highly-linear FM transmitter for mobile application in 65nm CMOS." In 2011 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). IEEE, 2011. http://dx.doi.org/10.1109/rfic.2011.5940712.
Full textPrakash, Ravi, Swati Lamdharia, and Deka Ganesh Chandra. "Eliminating interference on TV transmitter due to adjacent FM transmitter by using an intermediate frequency filter." In 2012 International Conference on Communication, Information & Computing Technology (ICCICT). IEEE, 2012. http://dx.doi.org/10.1109/iccict.2012.6398215.
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