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Electronics and Communication Optical Communication Difficulty: Medium

If the common base DC current gain of a BJT is 0.98, its common emitter DC current gain is Cascode amplifier when compared with a simple common-emitter amplifier provide which of the following? Which of the following is a result of over modulation? What is the unit step response of a unity feedback control system having forward path transfer function $$G\left( s \right) = \frac{{80}}{{s\left( {s + 18} \right)}}?$$ The main function of a balanced modulator is to