Results 181 to 190 of about 7,203 (238)

A Fully Integrated Memristive Chaotic Circuit Based on Memristor Emulator with Voltage-Controlled Oscillator. [PDF]

Micromachines (Basel)
Duan Z, Chen J, He S, Yu X, Wang Q, Zhang X, Xiong P.   +6 more
europepmc   +1 more source

Measurement System and Testing Procedure for Characterization of the Conversion Accuracy of Voltage-to-Voltage and Voltage-to-Current Integrating Circuits for Rogowski Coils. [PDF]

Sensors (Basel)
Kaczmarek M.
europepmc   +1 more source

A 0.049 mm² 0.5-to-5.8 GHz LNA Achieving a Flat High Gain Based on an Active Inductor and Low Capacitive ESD Protection. [PDF]

Micromachines (Basel)
Dong D, Li Z, Quan Y, He X, Zhang J, Li C, Yu L.   +6 more
europepmc   +1 more source

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Chopper-stabilized operational transconductance amplifiers

IEEE Transactions on Instrumentation and Measurement, 1993
A technique for chopper-stabilizing commercial linearized operational transconductance amplifiers (OTAs) to remove output offset current errors is described. Design equations which illustrate performance tradeoffs as a function of component values are given. The results are verified experimentally using a common bipolar OTA. >
S.E. Nordquist, J.W. Haslett, F.N. Trofimenkoff   +2 more
openaire   +1 more source

Operational Transconductance Amplifiers

2023
The foremost chapter gives the topic context of electrocardiography (ECG or EKG), a diagnostic procedure used to evaluate the heart's rhythm and record electrical Activity for different heart conditions. The electrical signal has three main components: P wave, QRS complex, and T wave.
openaire   +1 more source

Instrumentation amplifiers using operational transconductance amplifiers

International Journal of Electronics, 1991
Instrumentation amplifier circuits using operational transconductance amplifiers (OTAs) as active circuit elements are proposed in this paper. Two new instrumentation amplifier circuits have been described and experimentally verified, where the first circuit comprises four OTAs and five resistors and the second circuit comprises two OTAs and three ...
WANLOP SURAKAMPONTORN, VANCHAI RIEWRUJA, CHARRAY SURAWATPUNYA, SUWAN YODLADDA   +3 more
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Subthreshold operation of Nauta's operational transconductance amplifier

2015 IEEE 13th International New Circuits and Systems Conference (NEWCAS), 2015
This paper investigates the subthreshold operation of the inverter-based operational transconductance amplifier for the potential use in very low power data conversion systems. Circuit analysis and sizing strategies are presented, and a first order continuous-time delta-sigma modulator circuit is used as a case study to verify the performance of the ...
Astria Nur Irfansyah, Andrew Nicholson, Julian Jenkins, Tara Julia Hamilton, Torsten Lehmann   +4 more
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The Research of Operational Transconductance Amplifier

2011 International Conference on Control, Automation and Systems Engineering (CASE), 2011
A topology structure of operational transconductance amplifier is proposed to be devised in this paper. In order to make it have the feature of high-speed, large bandwidth, and high stability, a two-stage cascode structure amplifier is designed by using cascaded single-stage amplifier.
Feiyue Jin, Xiansong Fu, Pingjuan Niu, Guanghua Yang, Tiecheng Gao   +4 more
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Operational Transconductance Amplifiers (OTAs)

2014
This chapter describes operational transconductance amplifiers (OTAs) and their linearization for use in g m -C filters. Super-source-follower and digitally programmable OTAs are detailed. The common-mode feedback used in these OTAs and a buffer amplifier are described. A OTA implemented in 120 nm CMOS is introduced inclusive measured results.
Heimo Uhrmann, Robert Kolm, Horst Zimmermann   +2 more
openaire   +1 more source