Product Summary
The CA3089M is a monolithic integrated circuit that provides all the functions of a comprehensive FM-IF system. The block diagram shows the CA3089M features, which include a three-stage FM-IF amplifier/limiter configuration with level detectors for each stage, a doubly-balanced quadrature FM detector and an audio amplifier that features the optional use of a muting (squelch) circuit.
Parametrics
CA3089M absolute maximum ratings: (1)Supply Voltage, Between V+ and Frame GND: 16V; Between V+ and Substrate GND: 16V; DC Current (Out of Delayed AGC): 2mA; (2)Operating Temperature Range: -40 to 85℃.
Features
CA3089M features: (1)For FM IF Amplifier Applications in High-Fidelity, Automotive, and Communications Receivers; (2)Includes: IF Amplifier, Quadrature Detector, AF Preamplifier, and Specific Circuits for AGC, AFC, Muting (Squelch), and Tuning Meter; (3)Exceptional Limiting Sensitivity at -3dB Point: 12μV (Typ); (4)Low Distortion: (with Double-Tuned Coil): 0.1% (Typ); (5)Single-Coil Tuning Capability; (6)High Recovered Audio: 400mV (Typ); (7)Provides Specific Signal for Control of Interchannel Muting (Squelch); (8)Provides Specific Signal for Direct Drive of a Tuning Meter; (9)Provides Delayed AGC Voltage for RF Amplifier; (10)Provides a Speci?c Circuit for Flexible AFC; (11)Internal Supply-Voltage Regulators.
Diagrams
Image | Part No | Mfg | Description | Pricing (USD) |
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CA3089M1 |
Other |
Data Sheet |
Negotiable |
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