參數(shù)資料
型號： CE5038
廠商： Intel Corp.
英文描述： DVB-S2 Advanced Modulation Satellite Tuner
中文描述： DVB - S2的先進調(diào)制衛(wèi)星調(diào)諧器
文件頁數(shù)： 29/41頁
文件大?。?/td> 463K
代理商： CE5038
CE5038
Data Sheet
28
Intel Corporation
3.4.16 LO Main- & Sub-Band Selection (V2:0 & S3:0 Bits)
If manual control of the LO is selected with the
VSD
bit, bits
V2:0
(main-band) and
S3:0
(sub-band) can be used to
set the LO frequency band. Values of
V2:0
from 1 to 6 are valid, values 0 and 7 being used for test purposes only.
The prescaler ratio, N
LP
, is set to ‘4’ for values of
V2:0
from 1 to 3 and to ‘2’ for
V2:0
from 4 to 6.
Table 15 shows typical minimum and maximum frequencies for each VCO and sub band for a varactor voltage
(Vvar) range of 3 to 4.5 volts. This is the normal varactor operating voltage, however the VCO will operate at lower
voltages if required. The VCO gain is also shown at 3.5 volts varactor voltage.
Table 15 - Frequency Bands and VCO Gain
S3 S2 S1 S0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
Min
690
697
706
714
725
735
746
759
769
783
798
814
834
853
874
896
Max
699
708
716
726
737
748
761
774
786
801
817
836
857
879
902
927
Kvco
6.9
7.3
7.8
8.3
8.9
9.6
10.3
11.2
12.2
13.2
14.4
15.7
17.4
19.0
20.8
23.1
Min
881
892
904
917
931
945
959
975
986
1003
1021
1041
1063
1087
1112
1141
Max
892
905
917
930
946
960
976
992
1005
1024
1044
1066
1092
1119
1148
1182
Kvco
8.9
9.3
9.7
10.1
10.9
11.6
12.4
13.4
14.5
15.8
17.2
19.0
21.7
24.4
27.5
31.6
Min
1068
1080
1093
1107
1122
1138
1154
1173
1182
1203
1224
1248
1275
1303
1334
1368
Max
1081
1094
1108
1122
1139
1156
1174
1194
1205
1227
1251
1278
1309
1341
1376
1415
Kvco
10.0
10.6
11.2
11.9
13.1
14.1
15.1
16.4
17.5
19.1
20.8
22.9
26.4
29.6
33.3
37.7
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
S3 S2 S1 S0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
Min
1380
1395
1411
1429
1450
1470
1493
1517
1538
1565
1595
1628
1667
1706
1747
1793
Max
1399
1415
1433
1451
1474
1496
1521
1548
1571
1601
1635
1671
1714
1758
1804
1855
Kvco
13.8
14.6
15.5
16.5
17.9
19.2
20.7
22.4
24.3
26.4
28.7
31.4
34.7
38.0
41.6
46.1
Min
1761
1785
1809
1834
1862
1889
1918
1949
1972
2006
2042
2082
2126
2174
2225
2282
Max
1785
1809
1835
1861
1891
1920
1951
1985
2011
2048
2088
2132
2183
2238
2296
2364
Kvco
17.8
18.6
19.3
20.3
21.9
23.2
24.8
26.8
29.1
31.6
34.5
38.1
43.4
48.9
55.1
63.2
Min
2136
2161
2186
2214
2244
2276
2309
2345
2365
2405
2449
2497
2550
2607
2668
2736
Max
2162
2188
2215
2245
2278
2312
2348
2388
2410
2455
2502
2555
2617
2682
2752
2830
Kvco
19.9
21.2
22.4
23.9
26.1
28.1
30.2
32.7
35.1
38.3
41.7
45.9
52.9
59.1
66.5
75.4
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
V0
Divider
V2
V1
1
0
1
Divider
V2
V1
V0
1
1
0
0
1
1
0
0
0
1
0
1
0
0
VCO2
2
VCO3
2
VCO3
4
VCO1
2
1
VCO1
4
VCO2
4
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