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PHY - Voltage amplifier stages having the characteristics

Question # 00018693
Subject: Engineering
Due on: 06/29/2014
Posted On: 06/29/2014 01:44 AM

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Problem B.1 Design

Voltage amplifier stages having the characteristics show in the following table are available. The signal source has an open-circuit voltage of 20mV rms and an internal resistance of 2M?. The load is a 20?resistance. Design a cascade amplifier using smallest number of stages that provides at least 1 W to the load. What are the values of the input resistance, the output resistance and the open-circuit voltage gain of your amplifier?

Amplifier stage type

Open circuit Voltage gain

Input Resistance

Output Resistance

A

1

10 M?

1 k?

B

5

1 k?

1 ?

C

10

20 k?

100 ?

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PHY - Voltage amplifier stages having the characteristics

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Tutorial Preview …input xxxxxxxxxx will xx Now, for xxx output stage, xxxxxxxxxx must xx xxx for xxx best efficiency, xx we choose x Type x xxxxx for xxx output stage xxxx will provide xx output xxxxxxxxxx xx Now, xx have to xxxxxxxxx the open xxxxxxx voltage xxxx xxxxxxx we xxxx to find xxx…
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Preview: Type x amplifier xxx the input xxxxx Then the xxxxx resistance xxxx xx Now, xxx the output xxxxxx resistance must xx low xxx xxx best xxxxxxxxxxx so we xxxxxx a Type x stage xxx xxx output xxxxx This will xxxxxxx an output xxxxxxxxxx of xxxx xx have xx determine the.....
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