The high frequency response of an RC coupled amplifier depends on: a) The input coupling capacitors b) The midrange voltage gain c) The bypass capacitor d) The output coupling capacitors
2. If the peak output voltage of an amplifier at the critical frequency is 20 V, the output voltage at midrange is: a) 17 V b) 23 V c) 14.14 V d) 28.3 V
3. The low frequency response of RC coupled BJT amplifier depends on: a) The bypass capacitor b) The input and output capacitors c) The input coupling capacitor d) All capacitors in the circuit
The input Miller capacitance of a BJT amplifier depends partly on: a) Input coupling capacitor b) The voltage gain at lower critical frequency c) The internal capacitances of the transistor d) The bypass capacitor
5. When the frequency of an amplifier is reduced linearly from 100 kHz to 1 kHz, the gain of the amplifier is reduced by 12 dB. Then the roll-off rate is: a) -12 dB/octave b) -12 dB/decade c) -6 dB/decade d) -6 dB/octave
6. A multistage amplifier has the following critical frequencies: 500 Hz, 900 Hz, 1 kHz, 4 kHz, 8 kHz, 10 kHz. The bandwidth is: a) 203.5 Hz b) 7.1 kHz c) 9 kHz