Vectron MQF21.4-1800-08 Monolithic crystal filter Datasheet

Monolithic crystal filter
MQF21.4-1800/08
Application
• 6 pol filter
• i.f.- filter
• use in mobile and
Limiting values
stationary transceivers
Nominal frequency
Insertion loss
Pass band at 3.0dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Spurious responses
Group delay (absolute)
Group delay distortion
fo
fo ± 9 kHz
fo ± 40 kHz
fo ± 50 kHz
fo ± 9 kHz
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Storage temp. range
Environment conditions
Characteristics
Pass band
Pin connections:
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
µs
µs
21.4
< 4.0
±> 9
Gaussian
> 60
> 70
> 70
> 40
< 60
< 5
Ohm/pF
Ohm/pF
50 || 0
50 || 0
°C
°C
-20... +70
-45... +85
according to CF001
MQF21.4-1800/08
Stop band
1
2
3
4
Input
Ground-Input
Output
Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
Potsdamer Str. 18 D- 14513 Teltow
22.09.05
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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