Vectron MQF21.4-1200-15 Monolithic crystal filter Datasheet

Monolithic crystal filter
MQF21.4-1200/15
Application
• 6 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4
≤ 2.5
± 6.0
≤ 2.0
≥ 45
> 65
> 65
> 75
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF
Ohm/pF
1200 || 2.5
1200 || 2.5
Operating temp. range
°C
-20... +70
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
IMD at Po=-7 dBm
Characterstics
Pass band
fo
fo ± 5.0 kHz
fo ± 14 kHz
fo ± 20 kHz
fo ± 20...300 kHz
f1=fo ± 20 kHz
f2=fo ± 40 kHz
MQF21.4-1200/15
Stop band
Pin connections: 1
2
3
4
Input
Input-E
Output
Output-E
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05.05.98
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