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A new small tool to help MMIC calculation, just enter the device operating current and Vcc, and click on calculate button, will give the part…
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I often use Arduino to play and dev some apps, but I often experienced many issue with prototyping board and wire, lot of short circuit…
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Un preampli UHF pour monter sur antenne QFH, l’entrée est filtrée via un passbande, 410-470Mhz, de chez Minicircuit, le preampli est un MMIC, PGA103+, faible…
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Afin d’accompagner ma station SatNogs d’une antenne digne de ce nom, j’ai réaliser deux prototypes d’antennes QFH, la première en tube laiton de 4mm, la…