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参数资料
| 型号： | WF050B |
| 厂商： | NIHON DEMPA KOGYO CO LTD |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 45.75 MHz, SAW-VIDEO/SOUND FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-5 |
| 文件页数： | 1/1页 |
| 文件大小： | 75K |
| 代理商： | WF050B |
Pb
Free
SAW Device
IF SAW Filter for CATV Broadcasting Station Image Signal Extraction For Industrial Use
sa24_080825_WF050_e
mm
Model
WF050A
WF050B
Nominal frequency : f0 (MHz)
58.75
45.75
3-dB passband width (MHz)
Min. +0.75 / –4.08
In-band deviation (Max. –3.58 to 0 MHz)(dB)
Max. ±1
Insertion loss (constant loss) (dB)
Max. 36
Max. 37
to f0–6 MHz
Min. 40
f0–6 to –4.58 MHz
Min. 32
f0–4.58 to –4.55 MHz
Min. 40
Guaranteed attenuation (dB)
f0–4.55 to –4.45 MHz
Min. 50
f0–4.45 to –4.42 MHz
Min. 40
f0+1.25 to +1.5 MHz
Min. 22
f0+1.5 to +3.58 MHz
Min. 30
f0+3.58 MHz to
Min. 40
Operating temperature range (°C)
0 to +50
Terminating impedance (Ω)
75
<WF050A>[In-band characteristics]
<WF050A>[Out-of-band characteristics]
PAD NO.
CONNECTION
Others
GND
1
INPUT
3
OUTPUT
45.5max.
43.0±0.5
35.0±0.3
7.5±0.3
1
2
35
4
9.0max.
12.5max.
3.75
±0.3
5.5
±0.75
0.5
±0.3
10.0
±0.5
5.0–φ0.45±0.1
0
58.75
(MHz)
10 MHz span
[1dB/div]
0
58.75
(MHz)
10 MHz span
[10dB/div]
n Dimensions
n Characteristics
n Features
l A filter with superb filter characteristics.
l It has not been adjusted.
l Highly reliable.
l Reduces audio signals by 50 dB or more.
n Specifications
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