—— 芯片百科 ——

描述

Description
Intersil CA3089 is a monolithicintegrated 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.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. . . . . . . . . . . . . . . . . . . . . . . . . . . 12µV (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

特性

应用

相关链接

—— 相关型号 ——

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—— 替代型号 ——

CA3089E

导出替代信息

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