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): 18/43頁(yè)
文件大?。?/td> 538K
代理商: AK4140
ASAHI KASEI
[AK4140]
Audio Sampling Rate
The AK4140 supports 3 sampling rates as 32kHz, 44.1kHz and 48kHz.
FS1
0
0
1
1
FS0
0
1
0
1
Sampling rate
32kHz
44.1kHz
48kHz
(Reserved)
(default)
Table 4. Sampling rate select
Digital High Pass Filter
The AK4140 has a digital high pass filter for DC offset cancellation. The cut-off frequency of the HPF is 1Hz
(@fs=48kHz) and scales with sampling rate (fs).
Pilot/SAP/Noise Detection (read)
PILOT bit: Pilot Signal Detection
Pilot signal
Detected
Not detected
PILOT bit
1
0
(default)
Table 5. Pilot Signal Detection
0
1 :
Pilot Signal Level
Pilot Threshold Level (PTHR1,0 bit)
+ Pilot Hysteresis Level (PHYS1,0 bit) / 2 (in dB)
1
0 :
Pilot Signal Level
<
Pilot Threshold Level (PTHR1,0 bit)
- Pilot Hysteresis Level (PHYS1,0 bit) / 2 (in dB)
SAP bit: SAP Signal Detection
SAP signal
Detected
Not detected
SAP bit
1
0
(default)
Table 6. SAP Signal Detection
0
1 :
SAP Signal Level
SAP Threshold Level (STHR1,0 bit)
+ SAP Hysteresis Level (SHYS1,0 bit) / 2 (in dB)
1
0 :
SAP Signal Level
<
SAP Threshold Level (STHR1,0 bit)
- SAP Hysteresis Level (SHYS1,0 bit) / 2 (in dB)
MS0547-E-01
2007/03
- 18 -
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