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UTC571N - COMPANDOR

General Description

The UTC571N is a versatile low cost dual gain control circuit in which either channel may be used as a dynamic range compressor or expandor.

Key Features

  • S.
  • Complete compressor and expandor in one Chip.
  • Temperature compensated.
  • Greater than 110dB dynamic range.
  • Operates down to 6VDC.
  • System levels adjustable with external components.
  • Distortion may be trimmed out.
  • Dynamic noise reduction systems.
  • Voltage-controlled amplifier.

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UNISONIC TECHNOLOGIES CO., LTD UTC571N LINEAR INTEGRATED CIRCUIT COMPANDOR  DESCRIPTION The UTC571N 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 UTC571N is well suited for use in cellular radio and radio communication systems, modems, telephone, and satellite broadcast/receive audio systems.