MQF21.4-0750-25_04 [VECTRON]
Monolithic crystal filter; 单片晶体滤波器
| 型号： | MQF21.4-0750-25_04 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Monolithic crystal filter |
| 文件： | 总1页 (文件大小：56K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Monolithic crystal filter
MQF21.4-0750/25
Application
Unit
Value
Limiting values
•
•
•
2 pol filter
i.f.- filter
Nominal frequency
Insertion loss
Pass band at 3.0dB
Ripple in pass band
Stop band attenuation
fo
MHz
dB
kHz
dB
dB
dB
21.4
< 1.5
±> 3.75
< 1.0
> 15
use in mobile and
stationary transceivers
fo ± 2 kHz
fo ± 12.5 kHz
fo ± 30 kHz
> 30
Alernate attenuation
Spurious response
fo ± 100...500 kHz
dB
dB
> 40
> 15
Terminating impedance Z
R1||C1
R2||C2
Ohm/pF 850 || 6
Ohm/pF 850 || 6
Operating temp. range
Storage temp. range
Environment conditions
°C
°C
-20... +70
-45... +85
according to CF001
Characteristics MQF21.4-0750/25
Pass band
Stop band
Pin connections:
1
2
3
4
Input
Ground-Input
Output
Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
02.06.04
Potsdamer Str. 18 D- 14513 Teltow ꢀ (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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