Crystal filter
QF10.7-0050/04
Application
•
4 pol filter
•
i.f.- filter
•
use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Centre frequency
Insertion loss
Pass band at 3.0dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Phase tracking
VSWR
fo
fc
Unit
MHz
MHz
dB
kHz
dB
dB
dB
°
Value
10.7
10.7 ± 75 Hz
< 5.0
± 0.225...0.275
< 0.6
> 60
> 80 except spurious
< 15 for pairs
< 2.0:1
fc ± 0.1 kHz
fc ± 2.5 kHz
fo ± 200 Hz
fo ± 150 Hz
Terminating impedance Z
R1||C1
R2||C2
Ohm/pF
Ohm/pF
50 || 0
50 || 0
Operating temp. range
Storage temp. range
Environment conditions
Characteristics
Pass band
QF10.7-0050/04
Stop band
°C
°C
+0... +50
-20... +70
according to CF001
Pin connections:
1
2
3
4
Input
Ground-Input
Output
Ground-Output
18.10.04
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
Potsdamer Str. 18 D- 14513 Teltow
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