U4065B Datasheet, PDF (1/34 Pages) TEMIC Semiconductors – FM Receiver

Features
• On-chip Control Functions are Available for System Gain Adjust
(dB Linear versus DC Current)
• Low Noise LO Design
• ESD Protected
Benefits
• All Front-end Functions of a High-performance FM Receiver Except the RF
Preamplifier are Integrated
• Improved Dynamic Range by High Current Double-balanced Mixer Design and a New
AGC Conception with 3 Loops On-chip
• Improved Blocking and Intermod Behavior Due to a Unique “Interference” Sensor
Controlling the AGC
• Easy Cascading of 3 IF Filters (Ceramic) Enabled by Two On-chip IF Preamplifiers
FM Receiver IC
U4065B
Description
The IC U4065B is a bipolar integrated FM front-end circuit. It contains a mixer, an
oscillator, two IF preamplifiers and an unique interference sensor. The device is
designed for high-performance car radio and home receiver applications.
Rev. 4807A–AUDR–05/04