Hello LF'ers, After an expensive accident whereby my home brew antenna change over relay put nearly a kW of RF up the RX antenna jack of my Kenwood TS-590 i want to safely long term test the relay. I
Hello Chris, The only "something" I can think of would be a really small fast blow fuse. Fuses come in ratings down to 1mA at least but they tend to be pricey and a bit hard to find. I can't be sure
Hello Paul. The U3S changes the state of a transistor switch that in turn powers the relays. the DC to DC convertor runs all the time. I guess I need some sort of latching device that stays in the la
Hi Chris, Considering that you're handling a lot of power, all you need is a simple relay sequencer. Take a look here: https://www.dropbox.com/s/xmwan9kuitu1l75/20180417_010251.jpg?dl=0 A 150-200ms d
Hello Gris and for some time I use this system with my U3-S for the RXTX you want to see on my wsb pages http://www.qsl.net/ik1hgi/472khz/rele-tx-rx.htm Helo 73 ik1hgi Antonio 2018-04-17 2:50 GMT+02
19th April 2018 Hello Ricardo, Thanks for the link, that's almost exactly what i am doing here. I have experimeted and found a 5 watt, 12 volt automotive "festoon" bulb as used in many ineterior ligh