Circuit assumptions: i) DC voltage drops across Rs, RB are insignificant ii) Ba1 = Bo3 = 100 iii) VBE-Q1 = VBE-Q3 = 0.7 volts iv) VT = 26mv v) %3D VA = 100 volts vi) Cu1 = Cu3 = 2pF vii) Cr1 = Cn3 = 13pF %3D %3D

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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7
+13V
Rc = 3.9KO
Ve3
Rв 3D 1000
VBIAS=5V
Vb3 B
Q3
2N3904
Ve1
RS 22ΚΩ
Q1
V,
ww
Vp1 B
2N3904
10uF
RE = 5KO
REE = 1000
Circuit assumptions:
i)
ii) Bai = Bas = 100
VBE-Q1 = VBE-Q3 = 0.7 volts
DC voltage drops across Rs, RB are insignificant
iii)
iv) VT = 26mV
v)
vi) Cu1 = Cụ3 = 2pF
vii) Cr1 = Cn3 = 13pF
VA = 100 volts
%3D
%3D
%3D
Transcribed Image Text:+13V Rc = 3.9KO Ve3 Rв 3D 1000 VBIAS=5V Vb3 B Q3 2N3904 Ve1 RS 22ΚΩ Q1 V, ww Vp1 B 2N3904 10uF RE = 5KO REE = 1000 Circuit assumptions: i) ii) Bai = Bas = 100 VBE-Q1 = VBE-Q3 = 0.7 volts DC voltage drops across Rs, RB are insignificant iii) iv) VT = 26mV v) vi) Cu1 = Cụ3 = 2pF vii) Cr1 = Cn3 = 13pF VA = 100 volts %3D %3D %3D
6) Estimate cascode stage gain vc3/vb1
7) Estimate Rin1
8) Estimate total circuit gain gain vc3/vs
9) Estimate Tu-Q1 (time constant due to Cu of
Q1)_
10) Estimate Tµ-Q3 (time constant due to Cu of
Q3)_
Transcribed Image Text:6) Estimate cascode stage gain vc3/vb1 7) Estimate Rin1 8) Estimate total circuit gain gain vc3/vs 9) Estimate Tu-Q1 (time constant due to Cu of Q1)_ 10) Estimate Tµ-Q3 (time constant due to Cu of Q3)_
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