Category Archive: BITX40

Dec 09

MiscDotGeek Co-Sponsoring Builders Fest 2018

We’re quite excited to announce that MiscDotGeek is co-sponsoring Builders Fest 2018! What, you haven’t heard about Builders Fest 2018? The first annual Builders Fest is going to be at the Lakeway Amateur Radio Club’s 26th Annual Morristown HAMFEST, Saturday, January 6th, 2018. The Builders Fest is the brainchild of Craig Thibodeaux, KM4YEC. Craig has partnered with a local …

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Nov 30

BITX40 PTT Enhancement for Digital or CW

The BITX40 PTT is a simple circuit: A switch grounds out the PTT Relay and the transceiver goes into transmit. As a stripped down SSB radio, this works fine and is simple and uses few parts. Why modify it? The challenge is that the PTT circuit is not solid state. The PTT circuit is just …

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Nov 20

MultiBand BITX40 Conversion

MultiBand BITX40 Introduction In Several Older Posts I’ve touched on ways that you can make a multiband BITX40 radio. While those methods worked, they were experimental. The Dual Band option will likely work fine, but I found it overly complicated for the purpose. In this post, I’m going to show you a way that you can …

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Oct 09

QRP Labs VFO Review [Spoiler: we love it!]

I’ve had the QRP Labs VFO for many many months now and it’s about time I got around to actually writing a review of it. When I originally purchased my BITX40, it did not come with a digital VFO. With the analog VFO, tuning was an exercise in futility. I had never owned an HF …

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Sep 18

Catching up with MiscDotGeek: September 2017

It’s been a busy month at Chez Geek. This post involves an improvised lathe, a burrito, Linux, antique cast iron, and a duck. We’ve been working on projects off and on, and have had some family health issues to muddy the waters as well.  Rather than tell a big long story, here’s a few headlines …

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