Vectron MQF21.4-1200-30 Monolithic crystal filter Datasheet

Monolithic crystal filter
MQF21.4-1200/30
Application
• 4 pol filter
• i.f.- filter
• use in mobile and
stationary transceivers
Unit
Value
MHz
dB
kHz
dB
dB
dB
dB
dB
21.4
≤ 3.0
± 6.00
≤ 1.0
≥ 50
> 80
> 60 except spurious
> 85
< 2:1
Terminating impedance Z
R1 || C1
R2 || C2
Ohm/pF
Ohm/pF
50 || 0
50 || 0
Operating temp. range
°C
-20... +50
Limiting values
Center frequency
Insertion loss
Pass band at 3.0 dB
Ripple in pass band
Stop band attenuation
Alternate attenuation
IMD (input power -10 dBm)
VSWR
Characterstics
Pass band
fo
fo ± 4.80 kHz
fo ± 25 kHz
fo ± 200 kHz
f1=fo±200,f2=fo±400kHz
fo ± 4.80 kHz
MQF21.4-1200/30
Stop band
Pin connections: 1
2
3
4
Input
Input-E
Output
Output-E
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Potsdamer Str. 18 D- 14513 Teltow ! (+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.telefilter.com
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