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參數(shù)資料
| 型號(hào)： | STV8203D |
| 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)： | 28/31頁(yè) |
| 文件大?。?/td> | 192K |
| 代理商： | STV8203D |
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SCOEFF
(Symbol Tracking Loop Filter Coefficients)
Address
: 2F
Type
: R/W
Reset
: 0001 1100
bit 7
DMX-OF
bit 6
0
bit 5
bit 4
PLF_A
bit 3
bit 2
bit 1
PLF_B
bit 0
DMX-OF : Symbol tracking control : 0 = QPSK,1 = FM.
In QPSKmode, the symbol trackingloop is closed.
PLF_A
: Acoefficient(proportional)
Programme the symbol trackingloop filterproportionalcoefficientA :
PLF_A [5:3]
000
001
010
011
100
101
110
111
Value
0
1
2
4
8
16
32
Not used
PLF_B
: B coefficient(integral)
Program the symbol tracking loop filterintegral coefficientB :
PLF_B [2:0]
000
001
010
011
100
101
110
111
Value
0
1/16
1/32
1/64
1/128
1/256
1/512
1/1024
SRF
(Symbol TrackingLoop Frequency)
Address
: 30
Type
: R/W
Reset
: 0000 0000
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SYMBOL RECOVERY FREQUENCY
This register provides access to the control signal for the symbol tracking loop (2’s complement). If read,
it indicates a value proportional to the symbol tracking frequency error. If written to, it will preset the
frequencyerror.
SRF [7:0]
10000000
00000000
01111111
Approx. Error (kHz)
-8
0
+8
RESET
After a reset sequence, all the registers controllable by AUTOSTANDARD function (FIR, COFQ, FIFQ,
ACOEFF, BCOEFF, SCOEFF, SRF) areadjusted for the standard I configuration(channel 1 to FM mono
mode and channel2 to QPSK mode).
PROGRAMMING THE DEVICE
(continued)
STV8203
28/31
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STV8206 | 功能描述:視頻 IC Audio Proc/Dig Demod RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| STV8207 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8207T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders |
| STV8211 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VIDEO & SOUND IF SYSTEM |
| STV8216 | 功能描述:視頻 IC Audio Proc/Dig Demod RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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