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U2759B Datasheet, PDF (1/9 Pages) TEMIC Semiconductors – IF Signal Processing for DAB
IF Signal Processing for DAB
U2759B
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 complete 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
16
IF1IN
1
IF1IN
AGCPRE 3
THRPRE 2
DC
9144
11
8
9
LO LO
5
AGCT
Figure 1.
10
THRIF
6 IF2OUT
7
NC
Bandgap 14 VS
12
13
VREF BG
4
GND
15
GND
Ordering and Package Information
Extended Type Number
U2759B-A
U2759B-AFL
U2759B-AFLG3
Package
DIP16
SO24
SO24
Remarks
Taping according ICE-286-3
TELEFUNKEN Semiconductors
1 (9)
Rev. A1, 06-Sep-96
Preliminary Information