Crystal filter
QF 1.4-L0235/05
Application
Limiting values
Unit
Value
Center frequency
fo
MHz
1.4
Insertion loss
dB
4.0
Pass band at 4.0 dB
kHz
-2.7...-0.35
Ripple in pass band
fo
2.3...-0.6 kHz
dB
2.0
Stop band attenuation
fo
dB
20
fo
3.1 kHz
dB
> 35
fo +0.15 kHz
dB
> 40
fo -3.4 kHz; fo+0.4 kHz
dB
> 60
Alternate attenuation
dB
> 60 except spurious
Terminating impedance Z
R1 || C1
Ohm/pF
1000 || 15
R2 || C2
Ohm/pF
1000 || 15
Operating temp. range
C
-15... +55
10 pol filter
i.f.- filter
use in mobile and
stationary transceivers
Characterstics QF 1.4-L0235/05
Pass band Stop band
Pin connections:
1
Input
2
Ground-Input
3
Output
4
Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
19.06.01
Potsdamer Str. 18 D- 14513 Teltow
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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