14 DYNAMIC CIRCUITS WITH APERIODIC INPUTS – ANALYSIS BY FOURIER TRANSFORMS
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frequency response function. In short, does frequency response function of a stable circuit
characterise it completely?
The previous chapter provided a partial answer to this question. We considered the
application of periodic inputs to a circuit in that chapter. We found that a well-behaved peri-
odic input can be resolvedinto infinitely many pure sinusoidal components with their
frequencies related harmonically. We were able to obtain the steady-state response to such
inputs by using the superposition principle and the frequency response function. A waveform
is periodic ...
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