Duplexers VHF – UHF, notch cavity filters

Product Description

Amateur Duplexers composed by 2+2 or 3+3 cavity filters ” Notch ” in quarter wave high “Q”, externally made of aluminum, with internal lines of silvered copper and PTFE insulator.   These Amateurs Diplexers are for VHF and UHF band,  suited to realize high performance repeaters for Amateurs radio with a single antenna for TX and RX.  All the filters are mounted on a painted iron base and can be supplied in the 19 “Rack version upon request

Gallery

ADB/22V-50 ADB/22V ADB/33V ADB/22U ADB/33U
FREQ. RANGE (Mhz) 50 – 60 140 – 180 140 – 180 430 – 560 430 – 560
BANDWIDHT ( -3db ) (Khz) 50 – 100 50 – 100 50 – 100 50 – 100 50 – 100
IMPEDANCE (Ohm) 50 50 50 50 50
V.S.W.R. < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1 < 1.2:1
INSERTION LOSS (db) <1.5 <1.5 <2.2 <1.5 <2.2
FREQ. STOP BAND REJECTION (db) >70 >70 >95 >70 >95
WORKING TEMPERATURE 10-40° 10-40° 10-40° 10-40° 10-40°
CONNECTOR N N N N N
MAX POWER (W) 100 100 100 100 100
ADB/22V-50 – V.S.W.R. 1
ADB/22V-50 – V.S.W.R. 2
ADB/22V – V.S.W.R. 1
ADB/22V – V.S.W.R. 2
ADB/33V – V.S.W.R. 1
ADB/33V – V.S.W.R. 2
ADB/22U – V.S.W.R. 1
ADB/22U – V.S.W.R. 2
ADB/33U – V.S.W.R. 1
ADB/33U – V.S.W.R. 2
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