Datasheet Summary
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IF Signal Processing for DAB
Description
The U2759B is a bipolar integrated IF signal processing circuit. It is designed for DAB (Digital Audio Broadcasting) applications.
Features
D High linearity of the plete circuit D 3-stage gain controlled wideband amplifier D Internal AGC loops D AGC time constants and thresholds adjustable D Mixer: double balanced high current Gilbert Cell
Block Diagram
DC 11 IF1IN IF1IN 16 6 IF2OUT 1 7 3 14 4 GND 15 8 LO LO Figure 1. 9 5 AGCT 10 THRIF 12 VREF BG 13 GND NC VS
AGCPRE THRPRE
Bandgap
Ordering and Package Information
Extended Type Number U2759B-A U2759B-AFL U2759B-AFLG3 Package DIP16 SO24 SO24 Remarks
Taping...