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Veldsterkte meter met AD8307 - Afdrukversie +- Forum Technology Interest Group Erpe-Mere (http://www.on4lar.be/forum) +-- Forum: Zelfbouw (http://www.on4lar.be/forum/forumdisplay.php?fid=10) +--- Forum: Zenders - ontvanger zelfbouw en kits (http://www.on4lar.be/forum/forumdisplay.php?fid=12) +--- Discussie: Veldsterkte meter met AD8307 (/showthread.php?tid=254)

Veldsterkte meter met AD8307 - on4gin - 01-29-2014 Iemand interesse hiervoor? Deze logaritmische 9-traps versterker werkt tot 500 MHz. De gevoeligheid is regelbaar van 0 - >80dB, van microwatts tot 1kW. Bij maximale gevoeligheid dient P4 ingesteld te worden zodat de meter zonder ingangssignaal nul aanwijst. R1 en R5 zijn optioneel, deze monteren indien een 50 Ohm ingangsimpedantie nodig is. In dat geval deze 2 weerstanden aan de zijde van R6 100k weerstand doorverbinden.