Category Archives: BITX20

Watts on the bench #6 – BITX20 microphone amplifier

Posted on April 30, 2011 by Peter Fraser

Being dissatisfied with the excessive distortion of the microphone amplifier in my BITX20 I sought out an alternate amplifier. I checked the Jaycar website to see what op-amps were readily available and then Goggled the NE5534. I got an easy … Continue reading →

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Watts on the bench #5 – BITX20 Update # 36

Posted on April 18, 2011 by Peter Fraser

Back in BTX20 update # 35 I outlined some things I still wanted to do to get my BITX20 back to a usable condition. Every time I have used it recently I got complaints of poor audio quality. During the … Continue reading →

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Watts on the bench #4 – PIC programmer

Posted on April 10, 2011 by Peter Fraser

On the bench today is an Altronics kit, K9505, PIC Programmer. I bought this kit so I can re-program the PIC in my BITX20 as the frequency offset value is incorrect. It’s capable of programming many chips such as 8 … Continue reading →

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Watts on the bench #3 – BITX20 Update # 35

Posted on April 1, 2011 by Peter Fraser

This is a new section to my blog where I will detail what is currently on the work bench. It may be a kit under construction, a radio under repair or some dust from inactivity. Whatever it is, if it’s … Continue reading →

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Hiking and radio at ‘The Prom’

Posted on March 17, 2011 by Peter Fraser

It’s been three days since I got home from my trip to Wilson Promontory and my leg muscles are just returning to normal. Before the trip I set myself two goals. These were to work 20 m and 80 m … Continue reading →

Posted in BITX20, KRMNPA, MKARS80 | 3 Comments