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# Differential and Multistage Intensifiers.

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Category: Education / Career
Description
Walk 08 2007. 1. Diff. BJT Amp. With Diff. Data. vB2=0, vB2=1Operate the first transistor in the dynamic area transmitting I, Q2 off. VB1. . VB2=0. . . Walk 08 2007. 2. Regular Mode Input Voltage. Walk 08 2007. 3. Differential pair with little info. . . . For direct enhancer, apply little information, .
Transcripts
Slide 1

﻿Differential and Multistage Amplifiers BJT & FET Differential Pair Small Signal Model Biasing March 08 2007

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Diff. BJT Amp. With Diff. Input v B2 =0, v B2 =1 Operate the principal transistor in the dynamic district conveying I, Q 2 off V B1 V B2 =0 March 08 2007

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Common Mode Input Voltage March 08 2007

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Differential pair with little contribution For direct enhancer, apply little information, March 08 2007

Slide 5

Large Signal Operation of BJT Diff. Intensifier Nonlinear reaction to change in voltage differential March 08 2007

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Transfer Characteristic of BJT Diff. Pair Linear just for little info ! Contrast is constrained to not as much as V T/2 March 08 2007

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Small Signal Model March 08 2007

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Simplified Model March 08 2007

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Diff Amp. w. Emitter Resistance March 08 2007

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Differential FET Amplifier Differential intensifier comprises of two coordinated transistors which lead the same current March 08 2007

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Common Mode Input Voltage March 08 2007

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Exercises 7.1, 7.2 March 08 2007

Slide 13

Exercise 7.3 V_DD and V_SS=1.5 V, k\'_n(W/L)=4mA/V^2, V_t=0.5V, I=0.4mA, R_D=2.5k Ohm March 08 2007

Slide 14

Diff. Amp. With Diff. Input v G2 =0, v G1 =v id V G1 March 08 2007

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Large Signal Operation of MOSFET Diff. Intensifier Nonlinear reaction to change in voltage differential March 08 2007

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Transfer Characteristic of FETDiff. Pair Linear just for little info ! Contrast is restricted to V_ov March 08 2007

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Extending Linear Operation Range March 08 2007

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Small Signal Model MOS Diff March 08 2007

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Small Signal Analysis Input and yield Impedances March 08 2007

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March 08 2007

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Simplified Model Cut the differential pair into 2 March 08 2007

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Mismatch of g_m March 08 2007

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Offset Voltage to repay March 08 2007

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Active burden keeps up inclination current I Active burden has high impedance Active Loads March 08 2007

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Active Load in Saturation Without any information Active Load March 08 2007

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The current produced by differential info will just stream to the heap Active Load March 08 2007

Slide 27

by and by, spillage from Drain to Source Active Load March 08 2007

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