Capacitor coupling is desirable because
A) bias from one stage can be isolated from the bias circuit of another stage
B) it allows the gain of one stage to couple to the next
C) capacitors block dc and pass ac
D) all of the above
Question 2
Why does the first transistor circuit in an amplifier need to be designed for low noise operation?
A) the first transistor includes low noise filters
B) because small signals can easily be obscured by noise
C) high noise operation is designed in the last transistor circuit
D) all of the above
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