Crystal band stop filter
QBS127.0-2000/01
Application
Limiting values
Unit
Value
Nominal frequency
fo
MHz
127.0
Insertion loss
at smallest attenuation in
pass band
dB
< 6.0
Pass band at 3.0dB
kHz
100...3000
Pass band at 6.0 dB
MHz
3.0...25
Ripple in 6dB pass band
dB
< 6.0 except
spurious
Stop band attenuation
fo
-10 kHz
dB
> 20
Terminating impedance Z
R1||C1
Ohm/pF
50 || 0
R2||C2
Ohm/pF
50 || 0
Operating temp. range
C
-20... +70
Storage temp. range
C
-35... +85
Environment conditions
according to CF001
2 pol filter
i.f.- filter
use in mobile and
stationary transceivers
Characteristics QBS127.0-2000/01
Pass band Stop band
Pin connections:
1
Input
2
Ground-Input
3
Output
4
Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
23.01.04
Potsdamer Str. 18 D- 14513 Teltow
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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