Duplexer VHF – UHF
Duplexers VHF – 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.
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- adb33v
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- adb22v
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- adb33u
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 |