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Voltage amplifiers are available with Avoc = 8 V / V, Rin = 1.8 kΩ, Ro...

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Electrical Engineering

Voltage amplifiers are available with Avoc = 8 V / V,
Rin = 1.8 kΩ, Ro = 850 Ω. With a 12V DC power source, eachamplifier
consumes 1.5 mA average current.
a. How many amps do you need to cascade to get so
minus a voltage gain of 1000 with a load resistance of 1.0 kΩ?


b. What is the voltage gain Av obtained? (Answer with an integernumber
rounded)


c. For the cascade connection, find the open circuit voltagegain.
(Answer with a rounded integer)


d. If you have a 1.5 mV input, how efficient is the equivalentamplifier?

e. Find the transconductance of the entire circuit.

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