Tag Archives: QRP

Very Appreciated

When going through the last batch of QSL-cards received via the buro I was happy to receive some new DOK:s from Germany to add to my collection towards DLD1000 on 40m. Currently I am just short of 17% accomplished. My … Continue reading

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New Books

Two new books landed in the mailbox. One is for my hobby and one is for my work. Which book is for which do you think? Next week we are starting up this winter season’s radio electronics course in our local … Continue reading

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KX1 on Eu-037

Yesterday evening I had an errand to Öland, IOTA EU-037. It included some evening waiting time that I spent playing with my KX1. I drove to Äleklinta, JO86jx. It is an Alvar area Close to the Baltic Sea, overlooking Kalmar … Continue reading

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Loop antenna up

Last few weekends I have been putting up a horizontal loop, ” sky wire”, about 70m long. Today I brought in a 600 ohm ladder line from the loop to the radio, and I was able to tune all HF-bands … Continue reading

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Less than a millimeter

Finally I got started with assembling my Soft Rock Ensemble kit. This week I got the package with the 0.8mm soldering tip and the 0.5mm solder. Especially when I soldered the LP2992AIM 5-3.3V I was happy that I waited for … Continue reading

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New Toy Tested

A couple of weeks ago a good ham friend of mine offered to sell me his Elecraft KX1 transceiver. Being a weak soul, I could not withstand the temptation to own yet another toy. As I told earlier I have … Continue reading

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Solder melted

By coincidence I found an interesting program on the internet today, DIY Layout Creator, that I wanted to try out. Suitably I had the switching logic for the TX/RX switch that I prototyped solderless yesterday and a piece of veroboard … Continue reading

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Switch circuit ready to build… I hope…

Tonight I took time to sit down and think about how to solve the logic to control the TX/RX diode switch for my KRAS transceiver. My idea was that I wanted to have one logic input and two outputs, where … Continue reading

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RX/TX Switch working (without logic)

This evening I constructed the RX/TX switch ugly style. At first it did not at all work the receiver was almost deaf taking the antenna signal through the switch… what was wrong? It took some trouble shooting before I realized … Continue reading

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In resonance…

During the weekend I wound and mounted a toroid coil and a trimmer capacitor for the series resonance circuit between the low pass filter on the transmitter and the receiver of the KRAS-transceiver. It was immediately noted that the receiver … Continue reading

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