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Frequency scaling is done using

Frequency scaling is done using

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+1 vote

asked Jan 13 in Linear Integrated Circuits by Julian (38.2k points)

Frequency scaling is done using

(a) Standard capacitor

(b) Varying capacitor

(c) Standard resistance

(d) None of the mentioned

This question was addressed to me during an interview.

Asked question is from Second Order Low Pass Butterworth Filter topic in portion Active Filters of Linear Integrated Circuits

linear integrated circuits
active filters
second order low pass butterworth filter

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1 Answer

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answered Mar 15 by Chris (39.8k points)

Correct choice is (a) Standard capacitor

To make it clear: In frequency scaling standard capacitors are chosen, because for non standard value of resistor, a potentiometer is used.

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