Category Archives: rat-race

Weird World of Microwaves Hack Chat

Join us on Wednesday, December 18 at noon Pacific for the Weird World of Microwaves Hack Chat with Shahriar Shahramian! We’ve been following him on The Signal Path for years and are excited to pick his brain on what is often considered one of the dark arts of electronics.

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Posted in antenna, ASIC, combiner, feedline, Hackaday Columns, microwaves, mixer, rat-race, RF, The Hack Chat, The Signal Path, waveguides | Leave a comment

A Radar Module Teardown And Measuring Fan Speed The Hard Way

If you have even the slightest interest in microwave electronics and radar, you’re in for a treat. The Signal Path is back with another video, and this one covers the internals of a simple 24-GHz radar module along with some experiments that we found fascinating.

The radar module that [Shahriar] works with in the video below is a CDM324 that can be picked up for a couple of bucks from the usual sources. As such it contains a lot of lessons in value engineering and designing to a price point, and the teardown reveals that it contains but a single …read more

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Posted in butterfly, colpitts oscillator, coupler, Doppler, microwave, mixer, radar, radio hacks, rat-race, teardown | Leave a comment