Discussion :: Matching Questions - Section 1 (Q.No.1)
|Sudalai said: (Sep 24, 2015)|
|In matching questions no 1,
I want details of list1 (answer description). So kindly send to me.
|Swaathi said: (Oct 5, 2015)|
|A DC Amplifier will always have a flat frequency response from zero. (remember for AC it is sinusoidal) so the answers must be either A (or) C. If we deal for RC Coupled amplifier, the frequency will be flat only in upper and lower cases.|
|Shivanshu Trivedi said: (May 10, 2017)|
|An RC coupled response is first increasing...then max. For certain period of frequency then decreasing. Hence, it is max. In a centre band of frequencies and low at high and low frequencies due to capacitive effect of transistor and coupling capacitor respectively.( so, 2 cutoff frequencies).
A DC coupled is has a constant gain from zero and then decreases(so 1 cutoff frequency).
And tuned one shows peak gain at only it's tuned/resonance frequency.
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