STV0042 datasheet(1/24 Pages) STMICROELECTRONICS

部品番号	STV0042

部品情報	SATELLITE SOUND AND VIDEO PROCESSORS

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STV0042A

SATELLITE SOUND AND VIDEO PROCESSORS

March 1997

PRODUCT PREVIEW

SHRINK42

(Plastic Package)

ORDER CODE : STV0042A

SOUND

.

TWO INDEPENDENT SOUND DEMODULATORS

.

PL L

DEMODULATION

WITH

5-10MHz

FREQUENCY SYNTHESIS

.

PROGRAMMABLE

FM

DEMODULATOR

BANDWIDTH ACCOMODATING FM DEVIA-

TIONS FROM

±30kHz TILL ±400kHz

.

PROGRAMMABLE 50/75

µs OR NO DE-EM-

PHASIS

.

DYNAMIC NOISE REDUCTION

.

ONE OR TWO AUXILIARY AUDIO INPUTS

AND OUTPUTS

.

GAIN

CONTROLLED

AND

MUTEABLE

AUDIO OUTPUTS

.

HIGH IMPEDANCE MODE AUDIO OUTPUTS

FOR TWIN TUNER APPLICATIONS

VIDEO

.

COMPOSITE VIDEO 6-bit 0 to 12.7dB GAIN

CONTROL

.

COMPOSITE

VIDEO

SELECTABLE

IN-

VERTER

.

TWO SELECTABLE VIDEO DE-EMPHASIS

NETWORKS

.

4 x 2 VIDEO MATRIX

.

HIGH IMPEDANCE MODE VIDEO OUTPUTS

FOR TWIN TUNER APPLICATIONS

MISCELLANEOUS

.

22kHz TONE GENERATION FOR LNB CONTROL

.

I

2C BUS CONTROL :

CHIP ADDRESSES = 06HEX

.

LOW POWER STAND-BY MODE WITH ACTIVE

AUDIO AND VIDEO MATRIXES

DESCRIPTION

The STV0042A BICMOS integrated circuit realizes

all the necessary signal processing from the tuner

to the Audio/Video input and output connectors

regardless the satellite system.

The STV0042 is intended for low cost satellite

receiver application.

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A GND R

FC L

PK OUT

I

REF

CPUMP R

U75 R

DET R

AMPLK R

A 12V

V

REF

A GND L

AGC R

AMPLK L

U75 L

DET L

CPUMP L

GND 5V

V

DD 5V

XTL

SDA

SCL

AGC L

FM IN

S2 RTN R

S2 RTN L

B-BAND IN

V GND

CLAMP IN

VIDEEM1

V 12V

VIDEEM2/22kHz

UNCL DEEM

S2 OUT R

S2 OUT L

S2 VID RTN

VOL L

S2 VID OUT

S1 VID OUT

VOL R

SUM OUT

PK IN

FC R

PIN CONNECTIONS

1/24

同様の部品番号 - STV0042

メーカー	部品番号	データシート	部品情報
STMicroelectronics	STV0056	248Kb / 26P	SATELLITE SOUND AND VIDEO PROCESSORS Sep-1996
	STV0056	223Kb / 27P	SATELLITE SOUND AND VIDEO PROCESSOR Feb-1998
	STV0056A	248Kb / 26P	SATELLITE SOUND AND VIDEO PROCESSORS Sep-1996
	STV0056AF	223Kb / 27P	SATELLITE SOUND AND VIDEO PROCESSOR Feb-1998

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同様の説明 - STV0042

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