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参数资料
| 型号： | RF1284 |
| 厂商： | RFM |
| 文件页数： | 2/6页 |
| 文件大小： | 0K |
| 描述： | SAW FILTER 319.508MHZ TO39-3 |
| 标准包装： | 1,000 |
| 频率： | 319.508MHz 中心 |
| 带宽： | 600kHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 2dB |
| 应用： | 无线 |
| 封装/外壳： | TO-205AD，TO-39-3 金属罐 |
| 安装类型： | 通孔 |
| 包装： | 带卷 (TR) |
| 高度（最大）： | 0.125"（3.18mm） |
| 尺寸/尺寸： | 0.370" 直径（9.40mm） |
Absolute Maximum Ratings
Rating
Incident RF Power
DC Voltage Between Any Two Pins (Observe ESD Precautions)
Value
+13
±30
Units
dBm
VDC
Case
Temperature 5
-40 to +85
°C
Typical Filter Response
Typical filter responses are shown below. The actual response is depen-
dent on external impedance matching and circuit layout. Illustrated fre-
quencies and minimum rejection for LO and IMAGE are shown only for
0
dB
-1
superhet receivers with 10.7 MHz IF.
-2
0
-3
-10
Min 3dB
Passband
at 25°C
at 25 C
-20
-30
LO
-4
-5
Min 3dB
Passband
o
-6
-40
-50
Image
-7
-60
-70
-80
5 MHz/div
Frequency
-8
Case Design
150 KHz/div
Frequency
Electrical Connections
B
C
G
Bottom View
Pin
1
Connection
Input or Output
Pin 1
Pin 2
A
E
F
H
2
Output or Input
D
3
Case Ground
Pin 3
(3 places)
J
Typical Test Circuit
(2 places)
45°
L
L
Millimeters
Inches
From 50 ?
Network
C
1
2
3
C
To 50 ?
Network
Dimensions
Min
Max
Min
Max
Analyzer
Analyzer
A
B
9.30
3.18
0.366
0.125
C
2.50
3.50
0.098
0.138
www.RFM.com E-mail: info@rfm.com
?2008 by RF Monolithics, Inc.
D
E
F
G
H
J
0.46 Nominal
5.08 Nominal
2.54 Nominal
2.54 Nominal
1.02
1.40
0.018 Nominal
0.200 Nominal
0.100 Nominal
0.100 Nominal
0.040
0.055
Page 2 of 6
RF1284 - 3/21/08
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