Operational Transconductance Amplifier (OTA) Interview Questions and Answers:
1. What is OTA ?
Ans. OTA stands for operational transconductance amplifier which is a specially designed single chip voltage input, current output amplifier.
2. Give the applications of OTA.
Ans. OTA finds applications in implementing programmable amplifiers and integrators in audio-processing and electronic music synthesis. They are also employed as current switches in sample and hold applications. Popular OTAs are LM 3080, LMI 3600/3700 (National Semiconductor) CA 3080 (RCA) and the NE 5517 (Signetics).