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3
CHAPTER 5
4
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
5
DC Bias
6
DC Bias
Ic = β IB
VCE = Vcc – IC RC
7
DC load line
8
Voltage Divider Bias
• I2 >> IB (Stiff Voltage Divider)
Voltage Divider Bias
10

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