a FEATURES 0.
01% THD at +10 dBV In/Out 100 dB VCA Dynamic Range Low VCA Control Feedthrough 100 dB Level Detection Range Log/Antilog Control Paths Low External Component Count APPLICATIONS Compressors Expanders Limiters AGC Circuits Voltage-Controlled Filters Noise Reduction Systems Stereo Noise Gates Dynamic Range Processors/Dual VCA SSM2120/SSM2122 FUNCTIONAL BLOCK DIAGRAM V+ 36kΩ SIGNAL OUT CURRENT MIRRORS –VC +VC V+ V+ SIGNAL INPUT V+ 36kΩ IREF GENERAL DESCRIPTION V– The SSM2120 is a monolithic integrated circuit designed for the purpose of processing dynamic signals in various analog systems including audio.
This “dynamic range processor” consists of two VCAs and two level detect...

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