ee481Lecture10 - E =1mA Bias Strategy Try to Pin I C and V...

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RIT Professor Bowman 1 Lecture 10 Discrete BJT DC Biasing Techniques • Designing for a DC Bias • Classic Base Bias • Two Supply Bias • CB Feedback Resistor Bias • Constant Current Bias
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RIT Professor Bowman 2 Bias Point Considerations Select and Maintain Desired Bias Point Process Variations – β , I S Temperature Variations – V BE , β , I S
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RIT Professor Bowman 3 Poor Bias Circuits Trying to Set V BE or I B
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RIT Professor Bowman 4 DC Bias with Emitter Resistance 1 + + = β B E BE BB E R R V V I
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RIT Professor Bowman 5 Amplifier Design Example For VCC=+12 V and β =100, Set I
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Unformatted text preview: E =1mA Bias Strategy Try to Pin I C and V CE by setting I E Set V CE to Optimize Vo Swing Choose a Base Voltage Divider Current that is small compared to I E Refine Bias Point for I E RIT Professor Bowman 6 Biasing with Two Supplies 1 + + = B E BE EE E R R V V I RIT Professor Bowman 7 CB Feedback Resistor Biasing 1 1 + = = + + = R I R I V R R V V I B E B B CB B C BE CC E RIT Professor Bowman 8 DC Biasing Using a Constant Current Source...
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This note was uploaded on 04/07/2008 for the course ELECTRONIC 0301-481 taught by Professor ? during the Fall '07 term at RIT.

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ee481Lecture10 - E =1mA Bias Strategy Try to Pin I C and V...

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