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1. Given the circuit in Fig. 1, and given the small signal parameters for each PMOSFET transistor (gm, r#, and ro), and that each current source has a finite output resistance, Rµail · (a) Determine the small signal differential voltage gain, Adm = d, as a function of the transistor small signal parameters, and the resistor values, R, Rµ and Rtail- Pla , as a function of the transistor small signal (b) Determine the small signal common-mode voltage gain, Aem = parameters, and the resistor values, R, R1 and Rtail· (c) Calculate the common-mode rejection ratio of the amplifier as a function of the transistor small signal parameters, and the resistor values, R, RL and Rtail·

1. Given the circuit in Fig. 1, and given the small signal parameters for each PMOSFET transistor (gm, r#, and ro), and that each current source has a finite output resistance, Rµail · (a) Determine the small signal differential voltage gain, Adm = d, as a function of the transistor small signal parameters, and the resistor values, R, Rµ and Rtail- Pla , as a function of the transistor small signal (b) Determine the small signal common-mode voltage gain, Aem = parameters, and the resistor values, R, R1 and Rtail· (c) Calculate the common-mode rejection ratio of the amplifier as a function of the transistor small signal parameters, and the resistor values, R, RL and Rtail·

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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VDD I R M2 o Vi2 Va M1 Vol Vo2 0 RL RL Figure 1:
Transcribed Image Text:VDD I R M2 o Vi2 Va M1 Vol Vo2 0 RL RL Figure 1:
Differential Amplifiers: Small Signal Analysis 1. Given the circuit in Fig. 1, and given the small signal parameters for each PMOSFET transistor (gm, Tx, and r.), and that each current source has a finite output resistance, Rtail· (a) Determine the small signal differential voltage gain, Adm parameters, and the resistor values, R, R1 and Rtail- as a function of the transistor small signal %3D Pla Pas, as a function of the transistor small signal (b) Determine the small signal common-mode voltage gain, Aem = parameters, and the resistor values, R, R1 and Rtail- (c) Calculate the common-mode rejection ratio of the amplifier as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtail· (d) What do you think is the purpose of the resistor R? Have we seen this circuit technique before? (e) Calculate the differential output resistance, Rod as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtail- (f) Calculate the common-mode output resistance, Roc as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtait-
Transcribed Image Text:Differential Amplifiers: Small Signal Analysis 1. Given the circuit in Fig. 1, and given the small signal parameters for each PMOSFET transistor (gm, Tx, and r.), and that each current source has a finite output resistance, Rtail· (a) Determine the small signal differential voltage gain, Adm parameters, and the resistor values, R, R1 and Rtail- as a function of the transistor small signal %3D Pla Pas, as a function of the transistor small signal (b) Determine the small signal common-mode voltage gain, Aem = parameters, and the resistor values, R, R1 and Rtail- (c) Calculate the common-mode rejection ratio of the amplifier as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtail· (d) What do you think is the purpose of the resistor R? Have we seen this circuit technique before? (e) Calculate the differential output resistance, Rod as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtail- (f) Calculate the common-mode output resistance, Roc as a function of the transistor small signal parameters, and the resistor values, R, R1 and Rtait-
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