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CA3089

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 Sensitivityat -3dB P...

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SeekIC No. : 004310255 Detail

CA3089: Features: • For FM IF Amplifier Applications in High-Fidelity, Automotive, and Communications Receivers• Includes: IF Amplifier, Quadrature Detector, AF Preamplifier, and Specific Circui...

CA3089 Data Sheet

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Part Number:
CA3089
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



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


Pinout

Connection Diagram


Specifications

Supply Voltage
Between V+ and Frame GND. . . . . . . . . . . . . . . . . . . . . . . . . .16V
Between V+ and Substrate GND . . . . . . . . . . . . . . . . . . . . . . .16V
DC Current (Out of Delayed AGC). . . . . . . . . . . . . . . . . . . . . . 2mA


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-alanced 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.




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