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參數資料
| 型號： | MQF21.4-02 |
| 廠商： | Electronic Theatre Controls, 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： | 72K |
| 代理商： | MQF21.4-02 |
Monolithic crystal filter
MQF21.4-1200/02
Application
4 pol filter
i.f.- filter
use in mobile and
stationary transceivers
Characterstics MQF21.4-1200/02
Pass band Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER
Zweigniederlassung der DOVER EUROPE GMBH
11.05.99
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
Stop band attenuation
Alternate attenuation
fo
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4
≤
2.0
±
6.00
≤
1.0
≥
40
> 80
> 65
> 40
fo
±
4.50 kHz
fo
±
20 kHz
fo - 100...1000 kHz
fo + 50....1000 kHz
Spurious responses
Terminating impedance Z
R1 || C1
R2 || C2
Coupling capacitance
Ohm/pF
Ohm/pF
pF
1200 || 2.5
1200 || 2.5
9.0
Ck
Operating temp. range
° C
-25... +70
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