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NE572 - Programmable analog compandor

General Description

The NE572 is a dual-channel, high-performance gain control circuit in which either channel may be used for dynamic range compression or expansion.

Key Features

  • time.
  • Independent control of attack and recovery.
  • Improved low frequency gain control ripple.
  • Complementary gain compression and expansion with external op amp PIN.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Philips Semiconductors RF Communications Products Product specification Programmable analog compandor NE/SA572 DESCRIPTION The NE572 is a dual-channel, high-performance gain control circuit in which either channel may be used for dynamic range compression or expansion. Each channel has a full-wave rectifier to detect the average value of input signal, a linearized, temperature-compensated variable gain cell (∆G) and a dynamic time constant buffer. The buffer permits independent control of dynamic attack and recovery time with minimum external components and improved low frequency gain control ripple distortion over previous compandors. The NE572 is intended for noise reduction in high-performance audio systems.