lec9 transistor bias circuits
TRANSCRIPT
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Basic ELECTRONICS
(2+1)ENGR MUHAMMAD SHAKEEL AKRAM
ELECTRONICS ENGINEERING FICT, BUITEMS.
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CHAPTER 5
Transistor bias circuits
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DC Operating Point (Q-Point) • Dc Bias
• Establishes the DC operating point (Q-point) for proper linear operation
• Otherwise will go in saturation or cutoff
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DC Bias
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DC Bias
Ic = β IB
VCE = Vcc – IC RC
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DC load line
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Voltage Divider Bias
• I2 >> IB (Stiff Voltage Divider)
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Voltage Divider Bias
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