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Universal compander

Universal compander
Signetics' Type NE575 compander IC is intended primarily for use with battery power supplies of 3-7 V (max. 8 V). lt draws a current of 3.5 mA at 3 V and 5 mA at 7 V. The compander process-compression at the input, expansion a t the output-significantly improves the signal-to-noise ratio in a commurucations link.
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