Electrical Engineering ⇒ Topic : Emitter Bias with Two Supplies
Emitter Bias with Two Supplies
The schematic diagram is shown in Figure (a).
figure (a) Emitter bias with two supplies
In base emitter circuit, it can be written by KVL,
-IBRB -VBE - IERE+VEE= O
If VEE>> VBE and RE>>RB/β, Eq. (1) can be written as:
Stable Q-point can be obtained by using this method because two supplies (positive and negative). IC is independent of β.
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