Kasturi Ghosh

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This paper deals with design and test of Operational Transconductance Amplifier (OTA) based linear analog circuit. Four different types of filters, biquadratic, band pass, low pass, and all pass, operated at high frequencies are configured. The test and diagnosis scheme relies on the Nyquist Shape of transfer function of the analog circuit. Monte Carlo(More)
This paper proposes a signal processing methodology of communication system and realized that circuits using operational transconductance amplifier (OTA). Two important classes of communication circuit, delta modulator and compander have been designed using that procedure. In the first implementation coded pulse modulation system is demonstrated which(More)
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