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參數資料
| 型號： | RO2181B |
| 廠商： | RF MONOLITHICS INC |
| 元件分類： | SAW諧振器 |
| 英文描述： | 1-PORT SAW RESONATOR, 868.35 MHz |
| 文件頁數： | 2/2頁 |
| 文件大小： | 69K |
| 代理商： | RO2181B |
868.35 MHz
SAW Resonator
RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-8148
E-mail: info@rfm.com
Page 2 of 2
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
http://www.rfm.com
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RO2181B-111601
Electrical Connections
This one-port, eight-terminal solder seal resonator is bidirectional. Howev-
er, impedances and circuit board parasitics may not be symmetrical, requir-
ing slightly different oscillator component-matching values.
Typical Circuit
Case Design
Pin
Connection
1
Ground
2
Input or Output
3
Ground
4
Ground
5
Ground
6
Output or Input
7
Ground
8
Ground
5
6
7
4
8
3
2
1
Input or Output
1, 3, 4, 5, 7, 8 No Internal Connection
45°
C
B
A
D
F
G
I
H
E
3
2
4
7
8
5
6
1
TOP VIEW
BOTTOM VIEW
J
Dimensions
Millimeters
Inches
Min
Nom
Max
Min
Nom
Max
A
5.21
5.33
5.46
0.205
0.210
0.215
B
4.83
4.95
5.08
0.190
0.195
0.200
C
0.38
0.51
0.64
0.015
0.020
0.025
D
1.07
1.19
1.32
0.042
0.047
0.052
E
1.14
1.27
1.40
0.045
0.050
0.055
F
0.58
0.71
0.84
0.023
0.028
0.033
G
1.07
1.19
1.32
0.042
0.047
0.052
H
1.32
1.45
1.57
0.052
0.057
0.062
I
2.54
2.67
2.79
0.100
0.105
0.110
J
1.52
1.78
2.03
0.060
0.070
0.080
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