The circuit shown in Figure P10.32 is a common-collector (or emitter follower) amplifier stage implemented with an npn silicon transistor and a single DC supply VCC = 12 V. Determine VCEQ at the DC operating (Q) point.
Ro = 16? ?= 130
R1 = 82 k? R2 = 22 k?
RS = 0.7 k? RE = 0.5 k?
Known quantities:
For the circuit shown in Figure P10.32:
Find:
VCEQ at the DC operating point.
Analysis:
Simplify the circuit by obtaining the Thèvenin equivalent of the biasing network (R1,, R2, VCC) in the base circuit:
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