In the circuit of Figure P4-13, the VCVS has of 10, R S is a 10 -kΩ resistor and R L is a 33 -kΩ resistor. Find the value of the feedback resistor R F that will cause the gain K = v O / v S to go to infinity. Is there a value of R F that will yield K = 2 ? Determine that resistance or explain why not.
In the circuit of Figure P4-13, the VCVS has of 10, R S is a 10 -kΩ resistor and R L is a 33 -kΩ resistor. Find the value of the feedback resistor R F that will cause the gain K = v O / v S to go to infinity. Is there a value of R F that will yield K = 2 ? Determine that resistance or explain why not.
Solution Summary: The author calculates the value of the feedback resistor for the gain of a given circuit.
In the circuit of Figure P4-13, the VCVS has of 10,
R
S
is a
10
-kΩ
resistor and
R
L
is a
33
-kΩ
resistor. Find the value of the feedback resistor
R
F
that will cause the gain
K
=
v
O
/
v
S
to go to infinity. Is there a value of
R
F
that will yield
K
=
2
?
Determine that resistance or explain why not.
O Draw the four possible negative feedback
contigurations of an op-amp. Write the
input and output impedances of these
configurations in ideal cases.
5
E9.6 Determine the average power absorbed by the 4-2 and 3-2 resistors in Fig. E9.6.
302
j20
Figure E9.3
4Ω
ww
Figure E9.6
12/0° V
j30
-j2 N
13/10° A
(+60° V
(OEF
-160
For
the
P-channel
JFET
given in
the following figure,
the
IDSS = 2MA
a)
Determine
IDQ
and
VSDQ
b)
Determine
the
source-follower circuit
transistor parameters are:
Vp = +1,75 V, and λ=0.
Small-signal voltage gain, Av = So
VDD = 10V
R₁ = 90kr
Rs =5k
CC1
WW
R₂ = 110kn
50
C02
BL = 10 kr
GND
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