Q9.   Determine the resistor value For the circuit given below, determine th...

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Q9.  Determine the resistor value

For the circuit given below, determine the resistor value R that gives a small signal differential v_{od}/v_{id} equal to 50 at temperature 300K. Note that all the PNP transistors are identical and have an Early voltage of 4V. All the NPN transistor are identical and have an Early voltage of 5V.

Hint: when tackling this problem, remember detailed small signal model is needed only for NPN transistors as PNP transistors provides biasing. So, their dynamic resistance based on Early voltage is the only thing matters for calculations. 

R = 1544.76 \Omega

0%

R = 2774.44 \Omega

0%

R = 2299.77 \Omega

0%

R = 3131.53 \Omega

100%

R = 3002.45 \Omega

0%

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