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Category Archives: Tutorials

Radar Beamforming to track target

The Matlab phased array toolbox is a collection of many interesting algorithms and functions. With so many tools at your disposal, the phased array toolbox lets us build a complete end to end radar system. I tried the phased array toolbox for the first time

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Transferring a text file over the air with LimeSDR mini

We have seen the LimeSDR mini several times on this blog. So far, we have only seen how it can generate analog modulation to transmit voice and what not. Being an SDR capable to transmit practically anything, we can even transmit binary data. Speaking of

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Accurately measuring cable length with NanoVNA

Update: Now you can plot the impedance vs. distance/time plot. Click here to learn the concept. Original Post: Having a VNA opens up so many possibilities. Just last week, I reviewed the nanoVNA and found to be an interesting device to have. Having handled expensive

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nanovna review

NanoVNA – A short review

Do you build RF circuits? Have you built any antennas? If the answer to any of the two questions is YES, then you know how valuable having a VNA (Vector Network Analyzer) is. Just an year ago the cheapest VNA on the market was the

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MAX2870 PLL PCB with STM32F103 microcontroller designed by Salil Tembe

Manual VCO selection for a faster locking PLL

PLL chips such as the ADF43xx, MAX287x and so on come with an integrated VCO. The frequency range on these PLL chips can extend all the way from few tens of MegaHertz to several GigaHertz. Such a wide range of output frequency can be obtained

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surveillance cameras for homes

How to install surveillance cameras and view them online

Protecting our houses from burglars should be on top of our to-do list. Nowadays, with increasing crimes, we tend to have a lot of problems with strangers. Learn how to install surveillance cameras and view them live all the time from a distance with this

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how to watch movies online without downloading

How to watch movies online without downloading (Feb 2017) – Nuclearrambo

Watching movies is something almost anyone has done and will still do it in the future. But what happens when you have to watch the movies you love and new releases on the internet but being asked to download the movie or the stream just

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