MQF21.4-1800-06 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter

Monolithic crystal filter
MQF21.4-1800/06
Application
• 8 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Centre frequency
Insertion loss
Pass band at 6.0 dB
Ripple in pass band
Stop band attenuation
Ripple-gradient per kHz
Changing of fc
fc
fc ± 8.00 kHz
fc ± 17.5 kHz
fc ± 25 kHz
fc ± 7 kHz
in op.temp.range
Terminating impedance Z
R1 || C1
R2 || C2
Operating temp. range
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
Hz
21.4 ± 400 Hz
≤ 3.0
± 9.00
≤ 2.0
≥ 65
> 90
< 0.5
< 600
Ohm/pF 1300 || 2
Ohm/pF 1300 || 2
°C
-40... +85
Characterstics MQF21.4-1800/06
Pass band
Stop band
Pin connections: 1 Input
2 Input-E
3 Output
4 Output-E
TELE FILTER Zweigniederlassung der DOVER EUROPE GMBH
29.06.98
Potsdamer Str. 18 D- 14513 Teltow ! ([phone] ; Fax [phone] http:\\www.telefilter.com