參數(shù)資料
型號(hào): CE5038
廠商: Intel Corp.
英文描述: DVB-S2 Advanced Modulation Satellite Tuner
中文描述: DVB - S2的先進(jìn)調(diào)制衛(wèi)星調(diào)諧器
文件頁(yè)數(shù): 30/41頁(yè)
文件大?。?/td> 463K
代理商: CE5038
CE5038
Data Sheet
29
Intel Corporation
3.4.17 LO Sample Rate (LS2:0 Bits)
Bits LS2:0 (bit-2 to bit-0 respectively in byte-10) set the LO sample rate according to the following table:
3.4.18 LO Window Level (WS, WH2:0 & WL2:0 Bits)
Byte-11 allows the user to change the lock and unlock window voltages that the tuning controller uses in
comparison with the Vvar input. Setting the
WS
bit to ‘0’ allows the lock levels to be altered, or if set to ‘1’, the
unlock levels are written. The
WH2:0
bits set the upper levels and the
WL2:0
bits set the lower levels in each case.
Please see “Power-On Software Initialization” (sect. 4.1) on page 30 for recommended values.
Table 16 - LO Sample Rate Data
LS2
LS1
LS0
Sample Rate
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
F
comp
/4
F
comp
/8
F
comp
/16
F
comp
/32
F
comp
/64
F
comp
/128
F
comp
/512
F
comp
/2048
(reset state)
Table 17 - LO Window Levels
Lock
Unlock
WS
0
1
WH2
WH1
WH0
Lower
Upper
Lower
Upper
WL2
WL1
WL0
0
0
0
1.16
1.54
1.08
1.61
0
0
1
1.64
2.01
1.56
2.08
0
1
0
2.11
2.47
2.03
2.55
0
1
1
2.57
2.94
2.50
3.01
1
0
0
3.03
3.43
2.95
3.51
1
0
1
3.49
3.89
3.42
3.97
1
1
0
3.95
4.36
3.88
4.43
1
1
1
4.41
4.82
4.34
4.89
Key:
Reset Values
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