Part Number
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SL621 |
Manufacturer
|
GEC Plessey Semiconductors |
Description
|
AGC GENERATOR |
Published
|
Jun 4, 2015 |
Detailed Description
|
SL621
AGC GENERATOR
DS3631 - 1.0
The SL621C is an AGC generator designed specifically for use in SSB receivers in conj...
|
Datasheet
|
SL621
|
Overview
SL621
AGC GENERATOR
DS3631 - 1.
0
The SL621C is an AGC generator designed specifically for use in SSB receivers in conjunction with the SL61OC, SL611C and SL612C RF and lF amplifiers.
In common with other advanced systems it generates a su itable AGC voltage directly from the detected audio waveform, provides a ‘hold’ period to maintain the AGC level during pauses in speech, and is immune to noise interference.
In addition it will smoothly follow the fading signals characteristic of HF communication.
When used in a receiver comprising one SL610C and one SL612C amplifier and a suitable detector, the SL621C will maintain the output within a 4dB range for a 11OdB range of
receiver input signal...
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