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参数资料
| 型号： | PCFMA3-020 |
| 厂商： | TOKO INC |
| 英文描述： | CERAMIC BPF |
| 文件页数： | 1/1页 |
| 文件大小： | 76K |
| 代理商： | PCFMA3-020 |
Dimensions ( Unit : mm )
TYPE CFMA3(CERASIZER/Triple-tuned)
CFMA3
Description
This high-selectivity IF filter for AM applications incorporates
a matching coil and CFM3 type in a resin case.
Center frequency range: 450 to 470kHz.
Bandwidth at 6dB: 2 to 11 kHz.
Features
Can be preset if required.
High selectivity — suited to a wide range of applications.
Low temperature coefficient.
Low spurious response.
Applications
AM radio cassettes, AM stereo application sets.
CB transceivers.
STANDARD FILTERS
TYPE CFMA3
15pF
3k
7pF
300k
S.G.
E.V.
3
2
6
1
8
7
4
5
AM Ceramic Filters with Matching Coil
0
20
40
60
80
425
450
475
Frequency (kHz)
Attenuation
(dB)
PCFMA3-020
TOKO
Center
Bandwidth
Selectivity
Ripple
Input Level
Part
Frequency(Fo)
at 6dB
at Fo
±9kHz
in Passband
for 0.6mV
Note
Number
(kHz)
(dB)
Output (dB)
PCFMA3-020
450
±1.0
6.0 min.
31.0 min.
1.0 max.
81.0
±3.0
PCFMA3-023
455
±1.0
6.0 min.
31.0 min.
1.0 max.
81.0
±3.0
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