Given a common-base amplifier circuit: VCC = 15 V, R1 = 50 kN, R2 = 10 kN, RC = 2 kN, RE = 1 kN, RL = 1 kQ, Is = 50 fA, ß = 120 A/A, VT = 25 mV, Vin = 10 mV. R1 RC VC Cc2 out *RL Q1 Cc1 in Vin Cb1 R2 RE

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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for this particular circuit, what formula should I use for Rin(emitter)?

 

Given a common-base amplifier circuit:
VCC = 15 V, R1 = 50 kQ, R2 = 10 kN, RC = 2 kN, RE = 1 k,
RL = 1 kQ, Is = 50 fA, B = 120 A/A, VT = 25 mV, Vin = 10 mV.
%3D
R1
RC
VC
Cc2
out
*RL
Q1
Сс1
in
Vin
Cb1
R2
RE
Transcribed Image Text:Given a common-base amplifier circuit: VCC = 15 V, R1 = 50 kQ, R2 = 10 kN, RC = 2 kN, RE = 1 k, RL = 1 kQ, Is = 50 fA, B = 120 A/A, VT = 25 mV, Vin = 10 mV. %3D R1 RC VC Cc2 out *RL Q1 Сс1 in Vin Cb1 R2 RE
Input resistance at emitter:
Ain(eminer) =e
or
ve
Rinie)
%3D
-ie
-ie
-ie
B +1
Transcribed Image Text:Input resistance at emitter: Ain(eminer) =e or ve Rinie) %3D -ie -ie -ie B +1
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