參數(shù)資料
型號(hào): STV8203
廠商: 意法半導(dǎo)體
英文描述: MULTISTANDARD TV SOUND DEMODULATOR
中文描述: 多標(biāo)準(zhǔn)電視伴音解調(diào)器
文件頁(yè)數(shù): 4/31頁(yè)
文件大?。?/td> 192K
代理商: STV8203
Analog
2V
RMS
ANALOG
SWITCH
AGC
CRYSTAL
OSCILLATOR
I
2
C BUS
INTERFACE
Digital
L1, R1
(L1 + R1)/2
STV8203
XTAL
SDA
SCL
AV
CC
DV
DD5
SIF1
SIF2
SCART1 OUT R
MONO OUT
M
S
PRE-SCALING
AUDIO MATRIX
1V
RMS
2V
RMS
FM / NICAM
DEMODULATOR CORE *
* See Demodulator Core Block Diagram
SCART1 OUT L
SCART2 OUT R
SCART2 OUT L
2
2
2
2
S
S
S
2
POWER SUPPLY
REGULATORS
Sub
IN
8
BLOCKDIAGRAM
Channel 2
ADC
LEVEL *
ESTIMATOR
NOISE*
ESTIMATION
PILOT *
RECOGNITION
QPSK LOCK *
DETECTION
BIT ERROR
RATE *
NICAM QPSK
AND
DECODER
S
S
SOUND STANDARD MANAGEMENT
IDENTIFICATION,
CHANNEL CONTROL, MUTE, ...
NOISE*
ESTIMATION
P
BAND
PASS
BAND
PASS
FM
DISCRIMINATOR
FM
DISCRIMINATOR
P
D
ONE BIT
SIGMA
DELTA
DAC
ONE BIT
SIGMA
DELTA
DAC
I
2
C Bus
* Data also available throughtI
2
C Bus
Channel 1
Sub
IN
S
S
8
DEMODULATOR CORE BLOCK DIAGRAM
STV8203
4/31
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