QBS127.0-2000 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Crystal band stop filter

Crystal band stop filter
QBS127.0-2000/01
Application
2 pol filter
Limiting values
i.f.- filter
use in mobile and
stationary transceivers
Nominal frequency
Insertion loss
Pass band at 3.0dB
Pass band at 6.0 dB
Ripple in 6dB pass band
Stop band attenuation
Unit
fo
at smallest attenuation in
pass band
MHz
dB
kHz
MHz
dB
fo ± -10 kHz
dB
Value
127.0
< 6.0
± 100...3000
± 3.0...25
< 6.0 except
spurious
> 20
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Storage temp. range
Environment conditions
Characteristics QBS127.0-2000/01
Pass band
Stop band
Ohm/pF 50 || 0
Ohm/pF 50 || 0
°C
-20... +70
°C
-35... +85
according to CF001
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 ([phone] ; Fax [phone] http:\\www.vectron.com