MQF21.4-0750-25 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-0750/25
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
Alernate attenuation
Spurious response
fo
fo ± 2.00 kHz
fo ± 12.5 kHz
fo ± 30 kHz
fo ± 100...500 kHz
Terminating impedance Z
R1 || C1
R2 || C2
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4
≤ 0.5
± 3.75
≤ 1.0
≥ 15
> 30
> 40
> 15
Ohm/pF 850 || 6
Ohm/pF 850 || 6
Operating temp. range
°C
-20... +70
Characterstics MQF21.4-0750/25
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
19.01.99
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com