Differential Amplifier Problem. Body effect can be neglected, but channel-length modulation should be included. Assume the current mirror is designed for a 1:1
- Calculate the differential-mode gain of the circuit.
- Calculate the common-mode gain of the circuit.
- Calculate the common-mode input range, which is the common-mode input DC voltage range over which all devices remains in saturation.
Assume these parameters for all transistors:
- |Vt|=0.5 V
- |Veff|=0.2 V
- gm=1 mA/V
- ro=15 kΩ
This question belongs to electronics engineering and discusses about differential amplifier problem.
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