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MQF21.4-3000-01_04 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter
Monolithic crystal filter
MQF21.4-3000/01
Application
• 2 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Insertion loss
Pass band at 3.0dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Spurious responses
fo
fo ± 10 kHz
fo ± 45 kHz
fo ± 75 kHz
fo + 350...1000 kHz
fo - 300...1000 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
dB
21.4
< 1.5
±> 15
< 1.0
> 15
> 20
> 35
> 35
>8
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Characteristics MQF21.4-3000/01
Pass band
Stop band
Ohm/pF 1500 || 1
Ohm/pF 1500 || 1
°C
-30... +70
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
15.03.04
Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com