$$(a)$$ For the circuit shown in figure

$$(i)$$ Calculate the transfer function $${{{V_0}} \over {{V_i}}}$$
$$(ii)$$ plot the amplitude and phase response as a function for $$R = {R_1}$$

In a common Emitter amplifier, the un bypassed emitter resistance provides

The voltage series feedback in a feedback amplifier leads to

The Circuit shown in figure is excited by the input wave form shown. Sketch the wave form of the output. Assume all the components are ideal