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Part Number: CA3089M1
Description: Intersil CA3089 is a monolithic integrated circuit that provides all the functions of a comprehensive ...
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CA3089M1
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DataSheet
General Description
CA3089M1 General Description
Intersil CA3089 is a monolithic integrated circuit that provides all the functions of a comprehensive FM-IF system.
The block diagram shows the CA3089 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.
The advanced circuit design of the IF system includes desirable deluxe features such as delayed AGC for the RF tuner, and AFC drive circuit, and an output signal to drive a tuning meter and/or provide stereo switching logic. In addition, internal power supply regulators maintain a nearly constant current drain over the voltage supply range of +8.5V to +16V.
The CA3089 is ideal for high-fidelity operation. Distortion in a CA3089 FM-IF System is primarily a function of the phase linearity characteristic of the outboard detector coil.
CA3089M1 Maximum Ratings
Supply Voltage
Between V+ and Frame GND . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Between V+ and Substrate GND . . . . . . . . . . . . . . . . . . . . . . 16V
DC Current (Out of Delayed AGC) . . . . . . . . . . . . . . . . . . . . . 2mA
Between V+ and Frame GND . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Between V+ and Substrate GND . . . . . . . . . . . . . . . . . . . . . . 16V
DC Current (Out of Delayed AGC) . . . . . . . . . . . . . . . . . . . . . 2mA
CA3089M1 Features
• For FM IF Amplifier Applications in High-Fidelity, Automotive, and Communications Receivers
• Includes: IF Amplifier, Quadrature Detector, AF Preamplifier, and Specific Circuits for AGC, AFC, Muting (Squelch), and Tuning Meter
• Exceptional Limiting Sensitivity at -3dB Point. . . . . . . . . . . . . . . . . . . . . . . . . . 12V (Typ)
• Low Distortion: (with Double-Tuned Coil). . . . . . . . . . . . . . . . 0.1% (Typ)
• Single-Coil Tuning Capability
• High Recovered Audio. . . . . . . . . . . . . . . . 400mV (Typ)
• Provides Specific Signal for Control of Interchannel Muting (Squelch)
• Provides Specific Signal for Direct Drive of a Tuning Meter
• Provides Delayed AGC Voltage for RF Amplifier
• Provides a Specific Circuit for Flexible AFC
• Internal Supply-Voltage Regulators
• Includes: IF Amplifier, Quadrature Detector, AF Preamplifier, and Specific Circuits for AGC, AFC, Muting (Squelch), and Tuning Meter
• Exceptional Limiting Sensitivity at -3dB Point. . . . . . . . . . . . . . . . . . . . . . . . . . 12V (Typ)
• Low Distortion: (with Double-Tuned Coil). . . . . . . . . . . . . . . . 0.1% (Typ)
• Single-Coil Tuning Capability
• High Recovered Audio. . . . . . . . . . . . . . . . 400mV (Typ)
• Provides Specific Signal for Control of Interchannel Muting (Squelch)
• Provides Specific Signal for Direct Drive of a Tuning Meter
• Provides Delayed AGC Voltage for RF Amplifier
• Provides a Specific Circuit for Flexible AFC
• Internal Supply-Voltage Regulators
CA3089M1 Connection Diagram
CA3089M1
PDF/DataSheet Download
- Datasheet: CA3089M1
- File Size: 241918 KB
- Manufacturer: INTERSIL [Intersil Corporation]
- Click here to Download
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