On 27 May 2006 05:31:47 -0700, "mavihot" wrote:
Hello,
I can not handle a problem which is about AGC. Please help me about
that. The conditions are;
It is required to design and implement an AGC circuit
with the following specifcations:
1. Amplitude of the input voltage may vary between 10 mVpp and 50 mVpp.
2. Amplitude of the output voltage should be in the range 0.9 Vpp
and1.1 V
pp for the input signals with amplitudes stated above.
3. Output impedance of the ampliŻer should be smaller than 2 k*.
4. The circuit should be able to amplify the signals having frequencies
between 500 Hz and 10000 Hz.
The amplifer designed should be a single transistor amplifer in the
common-emitter form for BJT amplifers or common-source form for the
FET amplifers. However, it can be used extra transistors for making the
amplifer an adjustable gain amplifer.
And the AGC should be composed of 2 parts adjustable gain part and
feedback part.
Please help me urgently to design this problem. Thanks...
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