CB, CE and CC Configurations BIAS DESIGN Engr.Usman Ali Khan.

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Presentation transcript:

CB, CE and CC Configurations BIAS DESIGN Engr.Usman Ali Khan

CONTENTS 1.What is Bias Design? 2.CB Bias Design 3.CE Bias Design 4.CC Bias Design

WHAT IS BIAS DESIGN? Bias Design is the reverse process of analyzing a circuit In Analysis of the circuit we find Voltages and Currents In Design we find the values of External Resistors which will produce the necessary bias point

STANDARD RESISTANCE VALUES 10, 11, 12, 13, 15, 16, 18 20, 22, 24, 27 30, 33, 36, 39 43, 47 51, 56 62, Other values are obtained by multiplying these values with powers of ten For example 4.7 K Ω is obtained by multiplying 47 to 100 (10 2 )

CB BIAS DESIGN RERE RCRC Q ICIC IBIB IEIE +V CC -V EE

CE BIAS DESIGN V CC RCRC RBRB β

CC BIAS DESIGN V CC RERE RBRB β

HOME WORK Example: 4.13, 4.14, 4.15 End Problems: 4.31  4.34