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electricity (507) 507
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loudspeakers, microphones, gramophone pick-ups or likeacoustic electromechanical transducers (173) 173
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physics (158) 158
amplifiers (89) 89
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pulse technique (71) 71
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transmission of digital information, e.g. telegraphiccommunication (51) 51
measuring force, stress, torque, work, mechanical power,mechanical efficiency, or fluid pressure (50) 50
microstructural devices or systems, e.g. micromechanicaldevices (49) 49
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measuring electric variables (36) 36
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arrangements for measuring two or more variables not coveredin a single other subclass (28) 28
measuring not specially adapted for a specific variable (28) 28
measuring or testing not otherwise provided for (28) 28
tariff metering apparatus (28) 28
basic electric elements (23) 23
control of amplification (22) 22
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horology (20) 20
semiconductor devices (20) 20
time-interval measuring (20) 20
conversion or distribution of electric power (16) 16
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speech or voice processing (15) 15
speech recognition (15) 15
telephonic communication (15) 15
measuring quantity of heat (14) 14
measuring temperature (14) 14
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impedance networks, e.g. resonant circuits (12) 12
resonators (12) 12
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processes or apparatus specially adapted for the manufactureor treatment of microstructural devices or systems (10) 10
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automatic control, starting, synchronisation, or stabilisationof generators of electronic oscillations or pulses (9) 9
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engineering, electrical & electronic (9) 9
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emergency protective circuit arrangements (8) 8
systems for regulating electric or magnetic variables (8) 8
analog-digital conversion (7) 7
antennas, i.e. radio aerials (7) 7
apparatus for conversion between ac and ac, between ac and dc,or between dc and dc, and for use with mains or similar powersupply systems (7) 7
control or regulation thereof (7) 7
conversion of dc or ac input power into surge outputpower (7) 7
adc (6) 6
circuits (6) 6
cmos technology (6) 6
demodulation or transference of modulation from one carrier toanother (6) 6
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cmos (5) 5
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pictorial communication, e.g. television (5) 5
quantization (5) 5
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wireless communications networks (5) 5
analog-to-digital conversion (4) 4
circuit arrangements or systems for supplying or distributingelectric power (4) 4
delta modulation (4) 4
humans (4) 4
investigating or analysing materials by determining theirchemical or physical properties (4) 4
oscillators (4) 4
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stereophonic systems (4) 4
systems for storing electric energy (4) 4
transmission systems for measured values, control or similarsignals (4) 4
analog to digital converters (3) 3
blasting (3) 3
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cmos integrated circuits (3) 3
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Journal of Hymenoptera Research, ISSN 1070-9428, 2016, Volume 52, Issue 52, pp. 1 - 36
Journal Article
SENSORS, ISSN 1424-8220, 10/2019, Volume 19, Issue 19, p. 4126
Microelectromechanical systems (MEMS) microphone sensors have significantly improved in the past years, while the readout electronic is mainly implemented... 
ADC | CHEMISTRY, ANALYTICAL | oscillator-based sensor | SIGMA-DELTA MODULATOR | TO-DIGITAL CONVERTER | VCO-ADC | PHASE NOISE | ENGINEERING, ELECTRICAL & ELECTRONIC | INSTRUMENTS & INSTRUMENTATION | MEMS microphone | sigma-delta modulation | time-domain circuit | JITTER
Journal Article
Sensors (Switzerland), ISSN 1424-8220, 02/2018, Volume 18, Issue 2, p. 445
Journal Article
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 06/2018, Volume 53, Issue 6, pp. 1731 - 1742
Journal Article
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 06/2018, Volume 53, Issue 6, pp. 1731 - 1742
This paper presents a compact-area, low-power, highly digital analog-to-digital converter (ADC) for audio applications. The proposed converter is implemented... 
Micromechanical devices | phase-referenced integration | Frequency modulation | Voltage-controlled oscillators | time encoding | Analog-to-digital converter (ADC) | sigma–delta modulation | Distortion | audio | highly digital | Microphones | voltage-controlled oscillator (VCO)-ADC
Journal Article
International Symposium on VLSI Technology, Systems, and Applications, Proceedings, ISSN 1930-8868, 06/2015, Volume 2015-
Conference Proceeding
2010 IEEE International Symposium on Circuits and Systems (ISCAS), ISSN 0271-4302, 05/2010, pp. 1069 - 1072
The challenges of analog electronics in nanometer CMOS have motivated the search for new data converter architectures. This paper is a in introductory survey... 
Ring oscillators | Pulse width modulation converters | CMOS logic circuits | Digital modulation | Voltage | Pulse width modulation | CMOS technology | Delta-sigma modulation | Delta modulation | Analog-digital conversion
Conference Proceeding
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 10/2009, Volume 44, Issue 10, pp. 2745 - 2754
Journal Article
2017 IEEE International Solid-State Circuits Conference (ISSCC), ISSN 0193-6530, 02/2017, Volume 60, pp. 166 - 167
Over the last few years, robust MEMS microphones have gained significant market share in consumer applications such as mobile phones and hearing aids. The... 
Micromechanical devices | Resistors | Integrated circuits | Modulation | Low-pass filters | Microphones | Signal to noise ratio
Conference Proceeding
International Journal of Microwave and Wireless Technologies, ISSN 1759-0787, 6/2011, Volume 3, Issue 3, pp. 329 - 338
Burst mode operation is proposed as an efficiency improving technique for power amplifiers. The core idea is to modulate the amplitude of the envelope signal... 
Burst mode | Switching PA | Power amplifier | Linearity | Efficiency analysis | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, ISSN 1057-7122, 09/2002, Volume 49, Issue 9, pp. 1354 - 1360
In this work, the effect of sampling clock jitter on the SNR of an analog-to-digital (AD) conversion is investigated from a practical perspective. Aperture... 
Frequency synthesizers | Transfer functions | Linear approximation | Jitter | Apertures | Sampling methods | Autocorrelation | Phase locked loops | Analog-digital conversion | Clocks | ADC | Sampling | SNR | jitter | sampling | ENGINEERING, ELECTRICAL & ELECTRONIC | Analog to digital converters | Testing
Journal Article
IEEE Journal of Solid-State Circuits, ISSN 0018-9200, 12/2006, Volume 41, Issue 12, pp. 2787 - 2794
Journal Article
2015 IEEE International Symposium on Circuits and Systems (ISCAS), ISSN 0271-4302, 05/2015, Volume 2015-, pp. 2233 - 2236
Capacitive or resistive sensors can be included in the feedback network of an oscillator to implement a data acquisition system. A higher sampling rate,... 
Micromechanical devices | Radiation detectors | Sigma-Delta Modulation | Data Conversion | Oscillators | Signal to noise ratio | Clocks | Microphones | CMOS | Specifications | Digital | Sampling | Standards | Modulators
Conference Proceeding
2014 IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS), ISSN 1548-3746, 08/2014, pp. 390 - 393
This paper shows a novel capacity to digital measurement circuit that is suited for differential MEMS capacitive sensors such as pressure sensors or condenser... 
Micromechanical devices | Capacitors | capacitive MEMS | Capacitive sensors | CMOS integrated circuits | 1f noise | Oscillators | Sigma Delta modulation | VCO-ADC | CMOS | Circuit design | Circuits | Multivibrators | Digital | Sensors | Transistors | Flicker
Conference Proceeding
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