he following amplifier (consider the case with a R_L load) consists of a channel JFET n. In the amplifier, the value of the DC source ({+ V} DD = 20 V) and of all resistors (shown in the schematic) and capacitors ( C1= C2= 20 µF) is known. At the same time, the JFET has the following specifications: IDSS= 10 mA and Vp= -3.5 V. The output resistance of the JFET is r_d = infinityΩ. AC analysis: The input signal VS is a small sinusoidal signal, at the same time it oscillates at a medium frequency, in such a way that the response is not affected by the capacitances. Get the circuit in small signal and do all the necessary procedure / demonstration. To determine: A) The transconductance gm at the operating point. B) The small signal equivalent circuit drawn conveniently.
he following amplifier (consider the case with a R_L load) consists of a channel JFET n. In the amplifier, the value of the DC source ({+ V} DD = 20 V) and of all resistors (shown in the schematic) and capacitors ( C1= C2= 20 µF) is known. At the same time, the JFET has the following specifications: IDSS= 10 mA and Vp= -3.5 V. The output resistance of the JFET is r_d = infinityΩ. AC analysis: The input signal VS is a small sinusoidal signal, at the same time it oscillates at a medium frequency, in such a way that the response is not affected by the capacitances. Get the circuit in small signal and do all the necessary procedure / demonstration. To determine: A) The transconductance gm at the operating point. B) The small signal equivalent circuit drawn conveniently.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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The following amplifier (consider the case with a R_L load) consists of a channel JFET n. In the amplifier, the value of the DC source ({+ V} DD = 20 V) and of all resistors (shown in the schematic) and capacitors ( C1= C2= 20 µF) is known. At the same time, the JFET has the following specifications: IDSS= 10 mA and Vp= -3.5 V. The output resistance of the JFET is r_d = infinityΩ.
AC analysis:
The input signal VS is a small sinusoidal signal, at the same time it oscillates at a medium frequency, in such a way that the response is not affected by the capacitances. Get the circuit in small signal and do all the necessary procedure / demonstration. To determine:
A) The transconductance gm at the operating point.
B) The small signal equivalent circuit drawn conveniently.
Transcribed Image Text:+ 20 V
910 kn
2.2 kN
300 N Ci
Vout
RL
+1
V:.
in
110 kΩ)
510 N
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