TDA4321XS Datasheet, PDF (5/16 Pages) List of Unclassifed Manufacturers – FM-IF IC with counter output, analog STS, field strength indicator, noise detector and mute setting

FS: 04/93
Page 5
SIEMENS AG
IC-SPECIFICATION
TDA 4321 XS
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Pin Assignment
1 IF input
2 IF input bias
3 Multipath identification input
4 Rectifier time constant
5 Multipath identification output
6 Field strength adjust
7 Field strength output
8 Reference voltage output
9 Supply voltage
10 Demodulator circuit
11 Demodulator circuit
12 STS threshold
13 STS output
14 STS filter time constant and stop window width
15 IF-Counter output
16 NC
17 MPX output
18 Mute depth
19 Mute input
20 Ground
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HL DOK
V66047-S1665-B100-G1
5.10.98