Category Archives: BITX20

BITX20 Update #26

Posted on March 24, 2009 by Peter Fraser

I connected the PA3CNO frequency display and huff & puff to my BITX20 using the circuit shown here. Well, almost as shown here. I had made a mistake with the added LED/cap/resistor circuit and I was also using a locking … Continue reading →

Posted in BITX20 | Leave a comment

Two things I need to do soon!

Posted on March 21, 2009 by Peter Fraser

Just looking at the photo of my BITX 20 with its new PA3CNO display I realised there are two major things I need to do: 1)Replace the front panel on the BITX 20. This has always been in the plan and … Continue reading →

Posted in Amateur Radio, BITX20 | Leave a comment

BITX20 Update #25

Posted on March 21, 2009 by Peter Fraser

The parts for the PA3CNO frequency display and huff & puff arrived on Tuesday and I spent a couple of nights assembling the circuit board. I found the parts list I was working from didn’t include the 7805 regulator so … Continue reading →

Posted in BITX20 | Leave a comment

BITX20 Update #24

Posted on March 4, 2009 by Peter Fraser

It has been a while since I have looked at my BITX20 as I was distracted by the other things going on. I have also been waiting for a frequency readout and huff & puff circuit board to arrive. The … Continue reading →

Posted in BITX20 | Leave a comment

BITX20 Update #23

Posted on December 28, 2008 by Peter Fraser

After my first BITX20 contact today I set about finding out why my TX output was so low, 500 mW where I had previously had 4 Watts. A small amount of testing showed that I had connected the two RG174 … Continue reading →

Posted in BITX20 | 1 Comment