English
Language : 

MQF21.4-2000-01 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter
Monolithic crystal filter
MQF21.4-2000/01
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 ± 6.00 kHz
fo ± 30 kHz
fo - 200..1000kHz
fo + 350..1000kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
21.4
≤ 1.5
± 10.00
≤ 0.5
≥ 15
> 45
> 35
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 1800 || 1
Ohm/pF 1800 || 1
Operating temp. range
°C
-20... +70
Characterstics MQF21.4-2000/01
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
26.10.00
Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com