MQF21.4-0750-28 [VECTRON]
Monolithic crystal filter; 单片晶体滤波器
| 型号： | MQF21.4-0750-28 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Monolithic crystal filter |
| 文件： | 总1页 (文件大小：55K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Monolithic crystal filter
MQF21.4-0750/28
Application
Unit
Value
Limiting values
•
•
•
6 pol filter
i.f.- filter
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
fo at 25°C
MHz
dB
kHz
dB
21.4 ± 300 Hz
≤ 3.0
± 3.75
use in mobile and
stationary transceivers
fo ± 2.0 kHz
≤ 1.0
fo ± 3.0 kHz at 25°C
fo ± 8.75 kHz
fo ± 12.5 kHz
fo ± 20...500 kHz
dB
dB
dB
dB
> 1.0
≥ 45
> 65
> 80
Stop band attenuation
Alternate attenuation
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 850 || 5
Ohm/pF 850 || 5
Operating temp. range
° C
-40... +80
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
Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com
16.03.99
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