參數(shù)資料
型號(hào): STV0056A
廠商: 意法半導(dǎo)體
英文描述: Satellite Sound and Video Processor(衛(wèi)星探測(cè)和視頻處理器)
中文描述: 衛(wèi)星聲音和視頻處理器(衛(wèi)星探測(cè)和視頻處理器)
文件頁數(shù): 1/26頁
文件大?。?/td> 247K
代理商: STV0056A
STV0056A
SATELLITE SOUND AND VIDEO PROCESSOR
TWO INDEPENDENT SOUND DEMODULA-
TORS
.
PLL DEMODULATION WITH 5-10MHz FRE-
QUENCY SYNTHESIS
.
PROGRAMMABLE
BANDWIDTH ACCOMODATING FM DEVIA-
TIONSFROM
±
30kHz TILL
±
400kHz
.
PROGRAMMABLE 50/75
μ
s, J17 OR NO DE-
EMPHASIS
.
WEGENER PANDASYSTEM
.
TWO AUXILIARY AUDIO INPUTS AND OUT-
PUTS
.
GAIN
AUDIO OUTPUTS
.
HIGH IMPEDANCE MODE AUDIO OUTPUTS
FOR TWIN TUNERAPPLICATIONS
VIDEO
.
COMPOSITE VIDEO 6-bit 0 to 12.7dB GAIN
CONTROL
.
COMPOSITE
VERTER
.
TWO SELECTABLE VIDEO DE-EMPHASIS
NETWORKS
.
6 x 3 VIDEOMATRIX
.
BLACK LEVEL ADJUSTABLE OUTPUT FOR
ON-BOARDVIDEOCRYPT DECODER
.
HIGH IMPEDANCE MODE VIDEO OUTPUTS
FOR TWIN TUNERAPPLICATIONS
22kHz TONE GENERATION FOR LNB CON-
TROL
.
I
2
C BUS CONTROL
CHIP ADDRESSES = 06
HEX
OR46
HEX
.
LOW POWER STAND-BY MODE WITH AC-
TIVE AUDIO ANDVIDEOMATRIXES
September 1996
ADVANCE DATA
SOUND
FM
DEMODULATOR
CONTROLLED
AND
MUTEABLE
VIDEO
SELECTABLE
IN-
MISCELLANEOUS
DESCRIPTION
The STV0056ABICMOS integratedcircuit realizes
all the necessary signal processingfrom the tuner
to the Audio/Video input and output connectors
regardlessthe satellite system.
This is advance informationon a newproduct now in developmentor undergoingevaluation. Detailsare subject to change without notice.
SHRINK56
(Plastic Package)
ORDER CODE :
STV0056A
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FC R
PK IN R
LEVEL R
S1 VID RTN
S3 VID RTN
VOL R
S3 VID OUT
S1 VID OUT
S2 VID OUT
VOL L
S2 VID RTN
S2 OUTL
CLAMP IN
S2 OUT R
UNCLDEEM
VIDEEM2/22kHz
V 12V
VIDEEM1
B-BAND IN
V GND
S2 RTN L
S2 RTN R
FM IN
S3 RTN L
S3 RTN R
S3 OUTL
S3 OUT R
AGC L
A GND R
FC L
PK IN L
LEVEL L
PK OUT L
PK OUT R
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
HA
J17 R
J17 L
SDA
SCL
I/O/22kHz
0
PIN CONNECTIONS
1/26
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