Posts Tagged ‘cdm324’

Tutorial, experiment and teardown of a 24GHz Doppler radar module

Tuesday, August 28th, 2018

Shahriar posted a detailed analysis of a CDM324 24GHz Doppler radar module from IC Station: Opening the module reveals a series of microwave PCB components and several active devices. A complete analysis of the module is presented. The unit is then measured and the impact of antenna impedance and power...

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Making the Electronics for a 24GHz doppler motion sensor

Tuesday, April 4th, 2017

Limpkin has a nice write-up on his tiny CDM324 Doppler speed sensor: You may recall the article I wrote a couple of years ago about a nearly identical Doppler sensor, the HB100. While the HB100 is using a 10.525GHz frequency, this new module uses 24.125GHz! This has the main advantage...

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