Coolaudio V571D Audio Compressor/Expander (DIL-16)

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The Coolaudio V571 (a replacement for the NE571 and SA571) is a versatile low cost dual gain control circuit in which either channel may be used as a dynamic range compressor or expandor. Each channel has a full-wave rectifier to detect the average value of the signal, a linerarized temperature-compensated variable gain cell, and an operational amplifier.

The V571 is well suited for use in cellular radio and radio communications systems, modems, telephone, and satellite broadcast/receivers and audio systems.

Features:

• Complete compressor and expander in one package
• Temperature compensated
• Greater than 110dB dynamic range
• Operates down to 6VDC
• System levels adjustable with external components
• Distortion may be trimmed out

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