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VHF - UHF Duplexers

Duplexers composed by 2+2 or 3+3 notch cavity filters in quarter wave high "Q". Externally made of Alodyne aluminum, with internal lines of silvered copper and PTFE insulator. They are produced for VHF and UHF range of frequency and tipically they are used for amateur radio repeater with single antenna.

  • Adb22U
  • Adb33u
  • Adb33v
  • Adb33v2

 

   ADB/22V-50   ADB/22V   ADB/33V   ADB/22U   ADB/33U 
FREQ. RANGE 50 - 60Mhz 140 - 180Mhz  140 - 180Mhz  430 - 560Mhz  430 - 560Mhz 
BANDWIDHT ( -3db ) 50 - 100Khz 50 - 100Khz 50 - 100Khz 50 - 100Khz 50 - 100Khz
IMPEDANCE 50 Ohm 50 Ohm 50 Ohm 50 Ohm 50 Ohm
V.S.W.R. < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1
INSERTION LOSS <1.5db <1.5db <2.5db <1.5db <2.5db
FREQ. STOP BAND REJECTION  70 db 70 db 90 db 70 db 90 db
WORKING TEMPERATURE 10-40° 10-40° 10-40° 10-40° 10-40°
CONNECTOR N N N N N
MAX POWER 100W 100W 100W 100W 100W
GRAPHIC 1 Link Link Link Link Link
GRAPHIC 2 Link Link Link Link Link