For the transistors in the circuit in Figure
(a)
The values of the differential mode voltage gain and the common mode voltage gain for the given transistor circuit.
Answer to Problem 11.93P
The differential-mode voltage gain is
The common-mode voltage gain is
Explanation of Solution
Given:
The given circuit is shown below.
The transistor parameters are:
Calculation:
The small signal model of the given transistor circuit is shown below:
The value of the gate-source voltage of the transistor 4 is calculated as shown below:
The quiescent current is,
The value of the gate-source voltage of the transistor 3 is calculated as shown below:
The transconductance parameters for the differential gain are calculated as shown below:
The differential gain is,
The common mode gain is,
(b)
The values of the output voltage for the given input voltages.
To compare: The result with the ideal case.
Answer to Problem 11.93P
The output voltage is
Explanation of Solution
Given:
The given circuit is shown below.
The circuit parameters are:
Calculation:
The output voltage is calculated as shown below:
On comparing the above output voltage with the ideal case,
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Chapter 11 Solutions
MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
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