A step of 10V is applied to Low pass RC circuit which produces output with rise time 200µs, calculate 3-dB frequency of the circuit, if the circuit uses a capacitor of 0.47µF and determine the value of R.
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1.What is non-linear wave shaping? What is clipping? Explain the operation of below mentioned circuits with circuit diagrams, transfer characteristics and waveforms
a) Series positive clipper with and without VR.
b) Shunt negative clipper with and without VR.
2. a) What is clamping operation? Explain the operation of biased positive peak clamper with output waveforms.
b) For the circuit shown in below Vin –sinusoidal with 100V peak and assume ideal diodes , sketch the output voltage and transfer characteristics.
3.a) State and prove clamping circuit theorem.
b) What is the effect of source resistance and the diode resistance in clamping circuits?
c) Explain the operation of diode comparator. Briefly mention various applications of comparators.