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參數(shù)資料
| 型號： | RF2908 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 915MHZ SPREAD SPECTRUM RECEIVER WITH PLL FREQUENCY SYNTHESIZER |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大小： | 534K |
| 代理商： | RF2908 |
11-91
RF2908
Rev C1 010904
11
T
Table 2: Channel Plan
*Data 1 is invalid.
T iming Diagram
Data
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
f, MHz
902.4
*
903
903.3
903.6
903.9
904.2
904.5
904.8
905.1
905.4
905.7
906
906.3
906.6
906.9
907.2
907.5
907.8
908.1
908.4
908.7
Data
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
f, MHz
909
909.3
909.6
909.9
910.2
910.5
910.8
911.1
911.4
911.7
912
912.3
912.6
912.9
913.2
913.5
913.8
914.1
914.4
914.7
915
915.3
Data
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
f, MHz
915.6
915.9
916.2
916.5
916.8
917.1
917.4
917.7
918
918.3
918.6
918.9
919.2
919.5
919.8
920.1
920.4
920.7
921
921.3
921.6
921.9
Data
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
f, MHz
922.2
922.5
922.8
923.1
923.4
923.7
924
924.3
924.6
924.9
925.2
925.5
925.8
926.1
926.4
926.7
927
927.3
927.6
927.9
t
time
DATA
CLK
LE
0
...
0
0
0
0
0
1
1
...
...
MSB
LSB
H
L
H
L
H
L
Example: Load Sequence for Channel #10 (905.4 MHz)
Decimal 10 = 0 0 0 1 0 1 0
MSB
LSB
Binary
t
EW
t
CH
t
CS
t
CWH
t
CWL
t
ES
= 143 ns
= 143 ns
= 74 ns
= 143 ns
= 36 ns
= 36 ns
t
CWH
t
CWL
EW
t
ES
t
CS
t
CH
Minimum Times:
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| RF2919 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:433/868/915MHZ ASK/OOK RECEIVER |
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