MQF21.4-1500-21 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1500/21
Application
• 2 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 ± 4.00 kHz
fo ± 25 kHz
fo ± 40 kHz
fo ± 150...500 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
21.4
≤ 1.5
± 7.50
≤ 0.5
≥ 18
> 25
> 40 except spurious
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 1500 || 2.5
Ohm/pF 1500 || 2.5
Operating temp. range
°C
-20... +70
Characterstics MQF21.4-1500/21
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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