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physical significance of poles and zeros


Poles

•Any capacitance which shunts the input-to-output signal pathto ground results in a pole for the circuit
•Theoretically every node in the I/O signal path introduces a pole
•The poles degrade the high frequency response of the circuit

Zeros
•Any capacitance which appears in the input-to-output signal path
results in a zero for the circuit
•The zeros enhance the high frequency response of the circuit
•The zeros degrade the low frequency response of the circuit





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