+1 vote
in Linear Integrated Circuits by (37.1k 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

1 Answer

0 votes
by (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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