Analog Electronics
Which of the following is not a sinusoidal oscillator?

 Relaxation oscillator
 Crystal oscillator
 LC oscillator
 RC phase shift oscillator

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Analog Electronics
Voltage Series (feedback also called series-shunt feedback) results in

Increase in input impedance & decreases in output impedance
Decreases in both input & output impedances
Decrease in input impedance & increase in output impedance
Increase in both input & output impedances

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