Saturday, July 25, 2020

Impatiently waiting for a new toy

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If you have been following my blog for a while, you know that I have made several starts on a simple Spectrum Analyzer.  In most cases, as I...
Monday, June 15, 2020

VFO-BFO with ESP32

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I made a circuit  board layout for the ESP 32 based VFO- BFO using the Wemos ESP 32 Mini controller module.  Sent Gerber files off to China ...
12 comments:
Tuesday, May 19, 2020

An updated version of my VFO-BFO

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A couple of the projects I have been working on have been put on hold because of the shipping delays caused by the Covid shutdown in many pl...
Thursday, April 16, 2020

Best thing to come from the lockdown so far.

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With almost everything being shut down from the virus, there must be something good happening.  I think I have found at least one thing.  Si...
1 comment:
Thursday, April 9, 2020

UHF Version of TinySA

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I had started on the TinySA from Groups.io HBTE, but am still waiting on some parts that I had orderd than have yet to show up.  Looking aro...
Friday, February 7, 2020

SMA Torque Wrench for the NanoVNA (uncalibrated)

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I have been using SMA connectors on most of my projects, and have occasionaly gotten a slightly different reading than I had expected.  Usin...
5 comments:
Wednesday, January 29, 2020

HackRF One case

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When I first started working on a Spectrum Analyzer design I needed some way to check the sweep ranges of the local oscillator, and output o...
2 comments: