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MQF21.4-3000-20 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter
Monolithic crystal filter
MQF21.4-3000/20
Application
• 6 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
fo
fo ± 12.0 kHz
fo ± 45 kHz
fo ± 100 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Operating temp. range
Unit
Value
MHz
dB
kHz
dB
dB
dB
21.4
≤ 3.0
± 15.0
≤ 2.0
≥ 60
> 80 except spurious
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-30... +85
Characterstics MQF21.4-3000/20
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
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