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The 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 SA571 is well suited for use in cellular radio and radio communications systems, modems, telephone, and satellite broadcast/receive audio systems.
Key Features:
- Complete Compressor and Expandor in one IChip
- Temperature Compensated
- Greater than 110 dB Dynamic Range
- Operates Down to 6.0 VDC
- System Levels Adjustable with External Components
- Distortion may be Trimmed Out
- Dynamic Noise Reduction Systems
- Voltage Controlled Amplifier
- Pb−Free Packages are Available
Applications:
- Cellular Radio
- High Level Limiter
- Low Level Expandor − Noise Gate
- Dynamic Filters
- CD Player
To learn more about the SA571 product family, Click Here