ak4140vf AKM Semiconductor, Inc., ak4140vf Datasheet - Page 20

• Manufacturer Part Number: ak4140vf
• Description: Digital Btsc Decoder
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
„ Pilot/SAP/Noise Detection On/Off Hysteresis Range
MS0547-E-01
NTHR1 bit
NHYS1 bit
STHR1 bit
PHYS1 bit
SHYS1 bit
Table 13. Noise(5fH) Hysteresis Level Control
Table 10. Noise(5fH) Threshold Level Control
Table 12. SAP(5fH) Hysteresis Level Control
0
0
1
1
0
0
1
1
0
0
1
1
Table 11. Pilot(fH) Hysteresis Level Control
0
0
1
1
0
0
1
1
Table 9. SAP(5fH) Threshold Level Control
NTHR0 bit
NHYS0 bit
STHR0 bit
PHYS0 bit
SHYS0 bit
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
- 20 -
Hysteresis Level (typ)
Hysteresis Level (typ)
Hysteresis Level (typ)
Threshold Level (typ)
Threshold Level (typ)
0dB= full scale of 5fH SAP carrier, BW=5fH+/-10kHz
0dB= full scale of 5fH SAP carrier, BW=5fH+/-10kHz
-13dB (default)
2.5dB (default)
-9dB (default)
6dB (default)
4dB (default)
-13.5dB
-4.5dB
-20dB
6.5dB
12dB
-1dB
-2dB
-7dB
3dB
9dB
2dB
6dB
8dB
1dB
4dB
0dB= full scale of 5fH SAP carrier
0dB= full scale of 5fH SAP carrier
0dB= full scale of 1fH Pilot tone
[AK4140]
2007/03