Crystal filter
QF172.955-3500/07
Application
Limiting values
Unit
Value
Nominal frequency
fo
MHz
172.955
Insertion loss
dB
< 7.0
Pass band at 3.0dB
kHz
> 20
Ripple in pass band
fo
17.5 kHz
dB
< 2.0
Stop band attenuation
fo
80 kHz
dB
> 40
fo
455 kHz
dB
> 55
Alternate attenuation
dB
> 55
Spurious response
dB
> 14
Group delay distortion
fo
20 kHz
s
< 25
IMD at 0 dBm input level
173.055; 173.155 MHz
dB
> 58
Nominal drive level (max.)
dBm
0
Max. allowed drive level
dBm
15
Terminating impedance Z
R1||C1
Ohm/pF
50 || 0
R2||C2
Ohm/pF
50 || 0
Operating temp. range
C
-20... +70
Operable temp. range
C
-40... +85
4 pol filter
i.f.- filter
use in mobile and
stationary transceivers
Characteristics QF172.955-3500/07
Pass band Stop band
Pin connections:
1
Input
2
Ground-Input
3
Output
4
Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
29.04.03
Potsdamer Str. 18 D- 14513 Teltow
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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