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TDA3867

Quasi-split sound processor with two FM demodulators

Philips Electronics 

Philips Semiconductors

Quasi-split sound processor with two FM demodulators

Preliminary specification

TDA3867T

PINNING

SYMBOL PIN

DESCRIPTION

n.c.

1 not connected

n.c.

2 not connected

CAGC

n.c.

3 charge capacitor for AGC

4 not connected

n.c.

5 not connected

MATR 6 input for stereo matrix correction

FM2R1 7 reference circuit for FM2 (5.74 MHz)

FM2R2 8 reference circuit for FM2 (5,74 MHz)

AF2

9 AF2 output (AF out of 5.74 MHz)

AF1

10 AF1 output (AF out of 5.5 MHz)

FM1R1 11 reference circuit for FM1 (5.5 MHz)

FM1R2 12 reference circuit for FM1 (5.5 MHz)

n.c.

13 not connected

VC-R1 14 reference circuit for the vision carrier (38.9 MHz)

VC-R2 15 reference circuit for the vision carrier (38.9 MHz)

TRACK 16 DC output level for tracking

n.c.

17 not connected

FM1I

18 intercarrier input for FM1 (5.5 MHz)

CAF1

ICO

19 DC-decoupling capacitor for FM1 demodulator (AF1)

20 intercarrier output signal (5.5/5.74 MHz)

CAF2

FM2I

21 DC-decoupling capacitor for FM2 demodulator (AF2)

22 intercarrier input for FM2 (5.74 MHz)

GND

23 ground (0 V)

VP

24 +5 to +8 V supply voltage

n.c.

25 not connected

n.c.

26 not connected

FMIF1 27 IF difference input 1 (B/G standard, 38.9 MHz)

FMIF2 28 IF difference input 2 (B/G standard, 38.9 MHz)

PIN CONFIGURATION

Fig.2 Pin configuration.

January 1992

4

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