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
文件頁數(shù): 19/43頁
文件大?。?/td> 538K
代理商: AK4140
ASAHI KASEI
[AK4140]
NOISE bit: Noise Detection
noise signal
Detected
Not detected
NOISE bit
1
0
Table 7. Noise Detection
0
1 :
Noise Level
Noise Threshold Level (NTHR1,0 bit)
+ Noise Hysteresis Level (NHYS1,0 bit) / 2 (in dB)
1
0 :
Noise Level
<
Noise Threshold Level (NTHR1,0 bit)
- Noise Hysteresis Level (NHYS1,0 bit) / 2 (in dB)
Input Level (Pilot/SAP/Noise) [dB]
O
Hysteresis Level
(Controlled by PHYS1-0,
SHYS1-0, NHYS1-0 bits)
Threshold Level
(Controlled by PTHR1-0,
STHR1-0, NTHR1-0 bits)
1
0
Figure 11. Pilot, SAP, Noise Detection Function
Pilot/SAP/Noise Detection Threshold Control
PTHR1 bit
0
0
1
1
PTHR0 bit
0
1
0
1
Threshold Level (typ)
-1.5dB
-3dB
-6dB (default)
-9dB
0dB= full scale of 1fH Pilot tone
Table 8. Pilot(fH) Threshold Level Control
MS0547-E-01
2007/03
- 19 -
相關(guān)PDF資料
PDF描述
AK4140VF Digital BTSC Decoder
AK4145 Digital BTSC Stereo Encoder
AK4145ET Digital BTSC Stereo Encoder
AK4170 JT 26C 26#20 PIN GRND PLUG
AK4180 Touch Screen Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK414096D 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
AK414096G 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
AK414096S 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
AK414096W 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory
AK414096Z 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:32,768 x 32 Bit CMOS/BiCMOS Static Random Access Memory