MQF21.4-0730-05 [VECTRON]
Monolithic crystal filter; 单片晶体滤波器
| 型号： | MQF21.4-0730-05 |
| 厂家： | 
Vectron International, Inc |
| 描述： | Monolithic crystal filter |
| 文件： | 总1页 (文件大小：57K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Monolithic crystal filter
MQF21.4-0730/05
Application
Unit
Value
Limiting values
•
•
•
10 pol filter
i.f.- filter
Nominal frequency
Centre frequency
Insertion loss
Pass band at 6.0 dB
Ripple in pass band
Stop band attenuation
fo
fc
Mhz
MHz
dB
kHz
dB
21.4
21.4 ± 600 Hz
≤ 7.0
± 3.67
≤ 2.0
use in mobile and
stationary transceivers
fc ± 2.50 kHz
fc ± 6.47 kHz
fo ± 10 kHz
dB
dB
≥ 60
> 80
Alternate attenuation
Spurious response
dB
dB
> 80
< 90
fo ± <35 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 800 || 6.5
Ohm/pF 800 || 6.5
Coupling capacitance
Ck1/Ck2/Ck3/Ck4
pF
16.5/17.7/17.7/16.5
Operating temp. range
Storage temperature
° C
° C
-40... +85
-40... +125
Characterstics MQF21.4-0730/05
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
12.11.98
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