PRODUCTS

Duplexer VHF – UHF

Duplexers V – UHF notch cavity filters

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.

Gallery

Technical Data

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 <2.2db <1.5db <2.2db
FREQ. STOP BAND REJECTION  >70 db >70 db >95 db >70 db >95 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

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