(1) When the input voltage to a voltage amplifier is 1mV, the output voltage is 0.5V. What is the voltage gain in dB? (2) When the input current to a current amplifier is 1mA, the output current is 2A. What is the current gain in dB? (3) If (1) and (2) are for the same amplifier, what is the power gain of the amplifier in dB?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Example1.3
(1) When the input voltage to a voltage amplifier is 1mV,
the output voltage is 0.5V. What is the voltage gain in
dB?
(2) When the input current to a current amplifier is 1mA,
the output current is 2A. What is the current gain in
dB?
(3) If (1) and (2) are for the same amplifier, what is the
power gain of the amplifier in dB?
M
R₂
+
Vi
R₁
R₂
Avovi
R₁
Vo
Transcribed Image Text:Example1.3 (1) When the input voltage to a voltage amplifier is 1mV, the output voltage is 0.5V. What is the voltage gain in dB? (2) When the input current to a current amplifier is 1mA, the output current is 2A. What is the current gain in dB? (3) If (1) and (2) are for the same amplifier, what is the power gain of the amplifier in dB? M R₂ + Vi R₁ R₂ Avovi R₁ Vo
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