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參數(shù)資料
| 型號： | RF1238 |
| 廠商： | RF Monolithics, Inc. |
| 英文描述： | 318.0 MHz SAW Filter |
| 中文描述： | 318.0兆赫SAW濾波器 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 241K |
| 代理商： | RF1238 |
318.0 MHz SAW Filter
RF Monolithics, Inc.
RFM Europe
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
RF1238-102401
Page 2 of 2
Absolute Maximum Ratings
Typical Filter Response
Typical filter responses are shown below. The actual response is dependent on external impedance matching and circuit layout. Illustrated frequencies
and minimum rejection for LO and IMAGE are shown only for superhet receivers with 10.7 MHz IF.
.
Rating
Value
Units
Incident RF Power
+13
dBm
DC Voltage Between Any Two Pins (Observe ESD Precautions)
±30
VDC
Case Temperature
5
-40 to +85
°C
Electrical Connections
Typical Test Circuit
Case Design
LO
0
dB
-10
-20
-30
-40
-50
-60
-70
-80
5 MHz/div
Frequency
Image
A
Bottom View
Pin 1
Pin 2
Pin 3
Pin
1
2
3
Connection
Input or Output
Output or Input
Case Ground
3
L
C
C
L
2
3
1
From 50
Network
Analyzer
To 50
Network
Analyzer
Dimensions
Millimeters
Inches
Min
Max
Min
Max
A
B
C
D
E
F
G
H
J
9.40
3.18
3.50
0.370
0.125
0.138
2.50
0.46 Nominal
5.08 Nominal
2.54 Nominal
2.54 Nominal
0.098
0.018 Nominal
0.200 Nominal
0.100 Nominal
0.100 Nominal
1.02
0.040
1.40
0.055
0
dB
-1
-2
-3
-4
-5
-6
-7
-8
100 KHz/div
Frequency
A
Minimum 3dB
Passband
at 25 C
o
B
45°
J
(2 places)
D
(3 places)
H
G
E
F
C
A
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