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Welcome to MiscDotGeek! If it’s geeky, it’ll be here eventually. QRP, home brewing (electronics, not beer), welding, bicycles, and more. If I’ve dabbled in it, you’re bound to find a post about it here.

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Building QRP Labs Band Pass Filters: 3 Tips you should know!

QRP Labs Band Pass Filters are these wonderful little kits that largely take all the question of building a filter. They use a proven design, the kit includes the inductors and wires, and the build ...

QSX Update: Spectrum Analyzer!

For those of us anticipating the release of the QRP Labs QSX (which we talked about in A Previous Post), any news from Hans Summers, the owner of QRP Labs, is exciting. He posted an ...

Building a Direct Conversion Receiver: Part 2

In the first installment of this series, we discussed why we're building a Direct Conversion receiver and talked about some basic ideas. In this installment, we explore what it takes to make the leap from ...

Replacing Relays in the BITX Radios

In this post, we're going to show you how you can replace the relays in a BITX40 radio. You can use the same method to replace the relays in your uBITX too. Use caution and ...
QRP Labs VFO, bare PCB with just the audio amplifier stage and a power strip to the left side of the board.

Building a Direct Conversion Receiver: Part 1

In this series of posts I'm going to take you on a journey. We're going to explore the Direct Conversion receiver together, and I'm going to show you every bit of the journey that I ...