BJT Amplifier Design Online Calculator

BJT-5000C · BIAS PARAMETER ANALYZER
Base bias · fixed
—
V
V
V
mA
base bias
Measurements
RB
—
RC
—
race
—
Zinb
—
Zin
—
rc
—
C1
—
C2
—
Av
—
Base bias · fixed bias topology — RB=(Vcc-Vbe)/Ib · RC=(Vcc-Vc)/Ic · race=25/IeEE-Diary BJT Lab
Self bias · feedback
—
V
V
V
mA
self bias
Measurements
RB
—
RC
—
race
—
Zinb
—
Zin
—
rc
—
C1
—
C2
—
Av
—
Self bias · collector feedback — RB=(Vc-Vbe)/Ib · RC=(Vcc-Vc)/IcEE-Diary BJT Lab
Emitter bias
—
V
V
V
mA
V
emitter bias
Measurements
RB
—
RC
—
RE
—
race
—
Zinb
—
Zin
—
rc
—
C1
—
C2
—
C3
—
Av
—
Emitter bias — RE=Ve/Ie · RB=(Vcc-Ve-Vbe)/Ib · C3 bypasses REEE-Diary BJT Lab
Emitter-collector bias
—
V
V
V
mA
V
emitter-collector
Measurements
RB
—
RC
—
RE
—
race
—
Zinb
—
Zin
—
rc
—
C1
—
C2
—
C3
—
Av
—
Emitter-collector — RB=(Vc-Ve-Vbe)/Ib · dual feedback topologyEE-Diary BJT Lab
Voltage divider bias
—
V
V
V
mA
V
Measurements
R1
—
RC
—
RE
—
race
—
Zinb
—
Zin
—
rc
—
C1
—
C2
—
C3
—
Av
—
Voltage divider — R1=((Vcc/(Ve+Vbe))-1)·R2 · most stable topologyEE-Diary BJT Lab

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