Building the K1

99.5% of the people who built at least one K1 enjoyed doing so and I am no exception. This article summarizes my K1 building experience hoping that other prospective K1 builderswill find it useful.

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Some Thoughts About the K1

Doing some last minute QSO with the K1 before I head back to CPH. It was a rather joyful weekend with good test conditions of the K1. When the K1 gets back to the lab I’ll have following points on my TODO list:

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Elecracft K1 Resources

This page gathers some useful reference material about the Elecraft K1.  The K1 pages at Elecraft Local copy of the K1 docs (versions applicable to my model) The K1 data sheet The K1 quick reference card The K1 assembly manual rev F and corresponding errata sheet The KFL1-2 two-band filter board assembly instructions rev H. … Read more

Elecracft K1 Multi-Band CW Transceiver

Small BoomBox and mojo to go… This is how NN6CW and many others describe the K1 – a small, lightwiegth QRP transceiver kit from Elecraft. The K1 has been a legend ever since it came out. It is easy to build, looks very professional, has a superb user interface, and offers great perfomance.

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New Final for the K1

I have now waited more than two weeks for the 2SC1969 that I have ordered from El Supply. Since the Easter holidays are coming closer and closer and I want to have the K1 with me, I looked for another source. I found Brinck Elektronik who has a shop in Copenhagen city. I was lucky enough to get the last piece they had on stock. They can still order it for me later but it will cost twice as much.

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K1 TX Signal Tracing

Yesterday I have done the transmitter signal tracing using my Velleman PCS500 pc-based oscilloscope. Here are the results: PRE (0.04-0.09) 0.025 V ATTN (0.02-0.05) 0.047 V OSC (0.01-0.04) 0.019 V MIX (0.1-0.2) 0.042 V BUF (1.5-2.0) 1.74 V TR1 (0.5-1.0) 0.66 V BPF (0.5-1.0) 0.78 V TR2 (0.5-1.0) 0.72 V TR3 (<0.01) 1.5 mV DRV … Read more