Monolithic crystal filter MQF21.4-0700/09
Application
• 6 pol filter • i.f.- filter • use in mobile and
stationary transceivers
Limiting values
Unit
Value
Nominal frequency Insertion loss Pass band at 6.0dB Ripple in pass band Stop band attenuation Alternate attenuation IP3
fo
fo ± 2 kHz fo ± 11 kHz fo ± 25...5000 kHz fo+12; fo+24 kHz
MHz dB kHz dB dB dB dBm
21.4 < 5.0 ± 3.5...4.5 < 2.0 > 60 > 80 except spurious > 25
Terminating impedance Z R1||C1 R2||C2
Ohm/pF Ohm/pF
50 || 0 50 || 0
Operating temp. range
°C
+0... +70
Characteristics Pass band
MQF21.4-0700/09 Stop band
Pin connections:
1 2 3 4
Input Ground-Input Output Ground-Output 10.10.03
TELE FILTER Zweigniederlassung der DOVER Germany GMBH
Potsdamer Str. 18 D- 14513 Teltow
(+49)03328-4784-10 ; Fax (+49)03328-4784-30 http:\\www.vectron.com
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