Monthly Archives: June 2014

July/Aug project: Small Wonder 40

During my shack cleanup for my upcoming move, I decided on my next build. Like the Bitx20 before it, the Small Wonder Labs SW-40 has sat around in my shack, unbuilt, for a WHILE.  You thought the Bitx20 had been … Continue reading

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Bitx20 demo video!

I’ve shot a video of the Bitx20A in action!  Watch it using the link below: The radio is all done.  The final pieces were to put labels on the front panel and connect all the wiring to the controls.  I … Continue reading

Posted in bitx20 | 4 Comments

Finishing touches

It’s time to put the stickers on the box. One thing I really like about this kit is the pre-drilled box and the hole for the digital display and the labels.  I am not at all a fan of the … Continue reading

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Bitx20A ON THE AIR!

I DID IT!! I DID IT!!! My first QSO with my first home-built sideband transceiver!  John IK4GME in Bagnacavallo, Italy!  I received a 56 from John’s apparently considerable antenna farm.  Ciao John! Months in a cold basement wearing layers to … Continue reading

Posted in bitx20, first QSO | 5 Comments

Bitx20 transmit oddities continue

It’s been a few days with no updates on the blog but I’ve been VERY active in my downstairs lab.  Unfortunately, my Bitx20 is still having some problems. I have gotten a wealth of information from the bitx20 Yahoo group … Continue reading

Posted in amplifier, balanced modulator, bitx20, KD1JV digital display | Tagged | 1 Comment

Continued low Bitx TX; digital display started

I’m not sure I’m satisfied yet with the output of the rig.  Maybe it’s fine and I’m just ignorant of how these SSB homebrew rigs operate, but something seems wrong when the needle on the power meter only gets to … Continue reading

Posted in amplifier, bitx20, KD1JV digital display | 2 Comments

Bitx20 RF PA stability mods added

Today I went ahead and added the mods suggested to help stabilize the RF PA in the Hendricks Bitx kits.  Thanks to Alan G0RWB for this great clue in the comments of my previous blog entry.  It was specifically mentioned … Continue reading

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