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參數資料
| 型號： | MQF21.4-0750-28 |
| 廠商： | Vectron International, Inc. |
| 英文描述： | Monolithic crystal filter |
| 中文描述： | 單片晶體濾波器 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 61K |
| 代理商： | MQF21.4-0750-28 |
Monolithic crystal filter
MQF21.4-0750/28
Application
6 pol filter
i.f.- filter
use in mobile and
stationary transceivers
Characterstics MQF21.4-0750/28
Pass band Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER
Zweigniederlassung der DOVER EUROPE GMBH
16.03.99
Potsdamer Str. 18 D- 14513 Teltow
!
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com
Limiting values
Unit
Value
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
fo at 25°C
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4 ± 300 Hz
≤
3.0
±
3.75
≤
1.0
> 1.0
≥
45
> 65
> 80
fo
±
2.0 kHz
fo ± 3.0 kHz at 25°C
fo
±
8.75 kHz
fo ± 12.5 kHz
fo ± 20...500 kHz
Stop band attenuation
Alternate attenuation
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF
Ohm/pF
850 || 5
850 || 5
Operating temp. range
° C
-40... +80
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