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