QF2.5-U0290 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Crystal filter

Crystal filter
QF 2.5-U0290/04
Application
8 pol filter
Limiting values
Unit
Value
i.f.- filter
Center frequency
fo
use in mobile and
Insertion loss
stationary transceivers ^{Pass band at 6.0 dB}
MHz
dB
kHz
Ripple in pass band
fo + 0.59...2.375 kHz
dB
at –10...+55°C fo + 0.55...2.5 kHz
dB
Stop band attenuation
fo - 0.4 kHz; fo + 7.5 kHz dB
Alternate attenuation
dB
Input power
mW
2.5
4.0
+<0.3...>3.04
2.0
2.0
40
> 60 (except spurious )
< 10
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF 600 || 0
Ohm/pF 600 || 0
Operating temp. range
°C
-25... +70
Characteristics QF 2.5-U0290/04
Pass band
Stop band
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
12.11.03
Potsdamer Str. 18 D- 14513 Teltow ([phone] ; Fax [phone] http:\\www.vectron.com