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參數(shù)資料
| 型號(hào)： | STV8236 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multistandard TV Audio Processor and Digital Sound Demodulator |
| 中文描述： | 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器 |
| 文件頁(yè)數(shù)： | 50/97頁(yè) |
| 文件大?。?/td> | 1871K |
| 代理商： | STV8236 |
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Register List
STV82x6
50/97
IAGCC
Channel 2 Internal AGC Time Constant for QPSK
IAGCS
Channel 2 Internal AGC Status for QPSK
CARFQ2H, CARFQ2M, CARFQ2LChannel 2 Carrier DCO Frequency
Address (hex): 26h
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IAGC_OFF
0
0
0
0
IAGC_CST[2:0]
Bit Name
Reset
Function
IAGC_OFF
0
AGC Disable
0: Internal AGC is active
1: Internal AGC is disabled
Bits[6:3]
0000
Reserved.
IAGC_CST[2:0]
011
Internal AGC Programmable Step Constant
.
These bits control the time per step (values given for QPSK mode). The default value defines the
optimum trade-off between fast settling time (for the fastest NICAM identification) and the noise
immunity (minimum BER degradation)
Step time (us) Time Response (ms)
000
001
010
011
100
101
110
111
703
352
88
44
22
11
5.5
128
64
32
16
8
4
2
0.82
Address (hex): 27h
Type: R
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
IAGC_CTRL[7:0]
Bit Name
Reset
Function
IAGC_CTRL[7:0]
00000000
Indicates the value of the internal AGC gain control
Address (hex): 28H to 2Ah
Type: R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CARFQ2[23:16], CARFQ2[15.8], CARFQ2[7:0]
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STV8237 | 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 |
| STV8237T | 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 |
| STV8247 | 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 |
| STV8247_06 | 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 |
| STV8247D | 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 |
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