參數(shù)資料
型號(hào): AK4140
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Digital BTSC Decoder
中文描述: 數(shù)字BTSC解碼器
文件頁(yè)數(shù): 20/43頁(yè)
文件大?。?/td> 538K
代理商: AK4140
ASAHI KASEI
[AK4140]
STHR1 bit
0
0
1
1
STHR0 bit
0
1
0
1
Threshold Level (typ)
-1dB
-4.5dB
-9dB (default)
-13.5dB
0dB= full scale of 5fH SAP carrier
Table 9. SAP(5fH) Threshold Level Control
NTHR1 bit
0
0
1
1
NTHR0 bit
0
1
0
1
Threshold Level (typ)
-2dB
-7dB
-13dB (default)
-20dB
0dB= full scale of 5fH SAP carrier, BW=5fH+/-10kHz
Table 10. Noise(5fH) Threshold Level Control
Pilot/SAP/Noise Detection On/Off Hysteresis Range
PHYS1 bit
PHYS0 bit
0
1
0
1
Hysteresis Level (typ)
3dB
6dB (default)
9dB
12dB
0
0
1
1
0dB= full scale of 1fH Pilot tone
Table 11. Pilot(fH) Hysteresis Level Control
SHYS1 bit
0
0
1
1
SHYS0 bit
0
1
0
1
Hysteresis Level (typ)
2dB
4dB (default)
6dB
8dB
0dB= full scale of 5fH SAP carrier
Table 12. SAP(5fH) Hysteresis Level Control
NHYS1 bit
0
0
1
1
NHYS0 bit
0
1
0
1
Hysteresis Level (typ)
1dB
2.5dB (default)
4dB
6.5dB
0dB= full scale of 5fH SAP carrier, BW=5fH+/-10kHz
Table 13. Noise(5fH) Hysteresis Level Control
MS0547-E-01
2007/03
- 20 -
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