Monthly Archives: February 2011

Does not work

Somehow some of these wires are in the wrong hole. I have to unsolder, measue and resolder. its the connections to the ring diode mixer seen from the bottom.

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Smoke test

Have done first smoketest on receiver. Worked ok. No smoke. But on the other hand no signals either. Completely dead. Troubleshooting starts tonight.

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Wire mess

I thought I had the plan clear in my head. first 6 wires was easy. or so I thought. Realized when I started with the other six I was wrong. On this pic only a few are connected and the … Continue reading

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Results of the evening

Had to start all over again with the receiver. Had the wrong version of PCB layout. A bit easier with the new one. More room for the coils in the ring diode mixer. Started with a new card and new … Continue reading

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Oscillating on 3,555 MHz

Nice to get a proof its working.

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Oscillator oscillating

Have it working from 3.45 to 3.55 MHz. Needs some adjusting.

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New story added

Have added a story I wrote about the light house activity 2010. Unfortunately only in swedish

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Test setup

The test setup of the oscillator starts to take form. Smoke test tomorrow.

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How I spent my evening

We are building our own 80m trancievers at the radio club. Yesterday I spent the evening twisting cable and winding the torroids for the ring diode mixer in the receiver.

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Mess

Will be fun to see what we can create from this mess…

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