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OTA in Sample and Hold Circuits

OTA in Sample and Hold Circuits: The OTA can be used in sample and hold circuits, as shown in Fig. 41.15. To sample and hold the input signal the control…

Sample and Hold Circuit

Sample and Hold Circuit: Four basic sample and hold circuit are shown in Fig. 14.141. In these circuits a JFET is used as switch. During the sampling time the JFET…

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 6

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 6: 241. The voltage follower is commonly used as (a) Switch. (b) Isolator. (c) Regulator. (d) None of these. Answer :…

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4

Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 150. In phase modulation, phase deviation is proportional to (a) carrier amplitude. (b) carrier phase. (c) message signal. (d) message…

Operational Amplifiers Interview Questions and Answers

Operational Amplifiers Interview Questions and Answers: 1. What is an op-amp? Ans. The name operational amplifier stems from its original use for mathematical operations (such as addition, subtraction, multiplication, differentiation and…

Nonlinear Circuits Interview Questions and Answers

Nonlinear Circuits Interview Questions and Answers: 1. What is a comparator and where is it used ? Ans. A comparator is essentially an op-amp operated in open-loop configuration. The output signal…

Silicon Controlled Switch (SCS) – Symbol, Operation, Advantages and Application

Silicon Controlled Switch (SCS) - Symbol, Operation, Advantages and Application: Silicon controlled switch (SCS), like the SCR, is a unilateral, four layer, three junction P-N-P-N silicon device with four electrodes…

Sample and Hold IC

Sample and Hold IC: Sample and Hold IC - For accurate analog to digital conversion the analog input voltage should be held constant during the conversion cycle. If the analog…