GL 6551 GL 6551 COMPANDER Description The GL6551 is a compander IC to expand dynamic range at transmission/reception systems and to improve the tone quality by means of restricting noise.
Two functions are loaded on the IC, the one is the compressor which has the 2/1 ratio of input/output ratio by logarithm, and the expander which has the 1/w ratio input/ output ratio by logarithm.
The GL6551equipped with input & filter Amp, DATA IN OUT terminal.
The GL6551 is well suited for use in cellular radio MCA and handy telephone set, radio communication systems.
• Low operating supply voltage.
• Equipped with mute function and through function.
• Equipped with compressor MIC Amp and Expander INPUT ...

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