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Assume Vcc = 15 and Vee = -15 volts. How stable will the collector voltages be for changes of transistor (all 2N3904), and for temperatures from 0°C to 75°C?  Is this a stable biasing scheme and are the resistor values suitable?

Calculate the following three AC voltage gains for each of the following three input conditions (9 total gains should be calculated):

Output 1

Output 2

The differential output Vout1 - Vout2

Input 1 with input 2 grounded.

Input 2 with input 1 grounded.

(These are differential gains)

Inputs 1 and 2 together with respect to ground (common mode gain).

Don't forget that gain should include sign (relative phase) information.

What are the input impedances for these three input conditions?

How does the distortion (or voltage transfer linearity) for this circuit compare with the single transistor 'standard bias' circuit you are already familiar with?

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M91979215

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