TDA1591 データシートの表示（PDF） - Philips Electronics

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TDA1591

PLL stereo decoder and noise blanker

Philips Electronics 

Philips Semiconductors

PLL stereo decoder and noise blanker

Product specification

TDA1591

PINNING

SYMBOL

PLL

OSC

GND

Iref

VP

INFI

PUFO

NDET

FB-L

VoL

VoR

FB-R

CDEEL

CDEER

HCC

SNC

Vref

IDENT

PILOT

Vi MPX

PIN

DESCRIPTION

1 phase locked loop filter

2 oscillator input/output pin for

ceramic resonator

3 ground (0 V)

4 reference current

5 supply voltage (+10 V)

6 interference signal input

7 pulse former time constant;

VCO off

8 noise detector time constant;

mute on

9 AF feedback input for left audio

signal

10 AF output signal left

11 AF output signal right

12 AF feedback input for right audio

signal

13 de-emphasis capacitor for left

channel

14 de-emphasis capacitor for right

channel

15 HCC input for de-emphasis control

16 stereo blend input

17 externally applied reference

voltage of 1 to 5 V

18 identification output (HIGH = pilot

existing; stereo)

19 pilot detector level (forced mono

input)

20 MPX input signal from IF

demodulator

handbook, halfpage

PLL 1

20 Vi MPX

OSC 2

19 PILOT

GND 3

18 IDENT

Iref 4

VP 5

INFI 6

17 Vref

16 SNC

TDA1591

15 HCC

PUFO 7

NDET 8

14 CDEER

13 CDEEL

FB-L 9

12 FB-R

VoL 10

11 VoR

MHA363

Fig.2 Pin configuration.

1996 Sep 02

4

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