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MQF21.4-1500-33_02 Datasheet, PDF (1/1 Pages) Vectron International, Inc – Monolithic crystal filter
Monolithic crystal filter
MQF21.4-1500/33
Application
• 10 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Limiting values
Nominal frequency
Insertion loss
Pass band at 6.0dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
Group delay distortion
fo
fo ± 6.25 kHz
fo ± 12.5 kHz
fo ± 15 kHz
fo ± 17.5 kHz
fo ± 20...500 kHz
fo ± 6.25 kHz
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
µs
21.4
< 4.0
±> 7.5
< 2.0
> 50
> 70
> 80
> 90
< 70
Terminating impedance Z
R1||C1
R2||C2
Operating temp. range
Characteristics MQF21.4-1500/33
Pass band
Stop band
Ohm/pF 1500 || 1
Ohm/pF 1500 || 1
°C
-20... +70
Pin connections:
1 Input
2 Ground-Input
3 Output
4 Ground-Output
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
18.12.02
Potsdamer Str. 18 D- 14513 Teltow (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com