Simple Bandpass Amplifiers
In addition to the RLC tuned circuits of Chapter 7, highly selective bandpass circuits can be achieved with lowpass amplifiers together with resistor-capacitor combinations in overall negative or positive feedback configurations. These active R-C configurations are a most interesting study in themselves. In this section, only two basic types are introduced to illustrate the realization techniques.
KeywordsMagnitude Response Input Circuit Internal Feedback Primary Side Gain Stage
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