An amplifier operating from a ±10 V DC supply provides an output voltage of 6 V peak and an output current of 15 mA rms to a resistive load when a signal of 1.5 V rms is connected to its input. The current drawn by the input port of the amplifier is 2 mA peak to peak. A current of 10 mA DC is provided by each DC power supply. For this amplifier, calculate: 1. the voltage gain in dB 2. the current gain in dB 3. the power gain in dB 4. the efficiency (as a percentage) 5. the input resistance in Ohms Type your answers in the box below and clearly specify which of the bullet points each answer is associated with, as per the example below. Round your answers to one decimal place. 1. 10.2 dB 2. 20.9 dB etc.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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An amplifier operating from a ±10 V DC supply provides an output voltage of 6 V peak and an output current of 15 mA rms to a resistive load when a
signal of 1.5 V rms is connected to its input. The current drawn by the input port of the amplifier is 2 mA peak to peak. A current of 10 mA DC is provided
by each DC power supply. For this amplifier, calculate:
1. the voltage gain in dB
2. the current gain in dB
3. the power gain in dB
4. the efficiency (as a percentage)
5. the input resistance in Ohms
Type your answers in the box below and clearly specify which of the bullet points each answer is associated with, as per the example below. Round your
answers to one decimal place.
1. 10.2 dB
2. 20.9 dB
etc.
Transcribed Image Text:An amplifier operating from a ±10 V DC supply provides an output voltage of 6 V peak and an output current of 15 mA rms to a resistive load when a signal of 1.5 V rms is connected to its input. The current drawn by the input port of the amplifier is 2 mA peak to peak. A current of 10 mA DC is provided by each DC power supply. For this amplifier, calculate: 1. the voltage gain in dB 2. the current gain in dB 3. the power gain in dB 4. the efficiency (as a percentage) 5. the input resistance in Ohms Type your answers in the box below and clearly specify which of the bullet points each answer is associated with, as per the example below. Round your answers to one decimal place. 1. 10.2 dB 2. 20.9 dB etc.
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