MQF21.4-1800-08 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1800/08
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
Group delay (absolute)
fo
fo ± 9.00 kHz
fo ± 40 kHz
fo ± 50 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Operating temp. range
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
µs
21.4
≤ 4.0
± 9.00
≤ Gaussian
≥ 60
> 70
> 70
< 60
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-20... +70
Characterstics MQF21.4-1800/08
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
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