If a 10 kn rheostat is added in series with the bias resistor in Figure 14-56, what are the mini- mum and maximum voltage gains?
If a 10 kn rheostat is added in series with the bias resistor in Figure 14-56, what are the mini- mum and maximum voltage gains?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:18. If a 10 k
Vin
rheostat is added in series with the bias resistor in Figure 14-56, what are the mini-
mum and maximum voltage gains?
R₁
W
10 ΚΩ
R₂
10 ΚΩ
+12 V
OTA
-12 V
FIGURE 14-56
RBIAS
220 ΚΩ
V
out
RL
6.8 ΚΩ
Transconductance, 8m (μS)
105
104
10³
10²
10
0.1
1
10
Bias current (A)
FIGURE 14-57
100
1000
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