Archive for date: April 29, 2010

LED’s as Varicap Diodes

April 29, 2010 | Amateur Radio | By: Mark VandeWettering

G3ZJO just posted a nice little blog entry about the use of LEDs (which are nearly ubiquitous) as varicaps (which are often harder to find). Lots of people are using these in their QRSS beacons, no doubt in part to the work of Hans Summer which was the first person to bring them to my […]