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
ATMEL [ ATMEL CORPORATION ]
