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Category Archives: Tutorials

vivado hls and test pattern generator

A basic on screen display with Vivado HLS and Zynq SoC – Part 2

We created a very crude on screen display using HLS in the previous post. Now, it’s time to export it as a custom IP and integrate into the system. The process may seem to be a lot to take if you are doing it for

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A basic on screen display with Vivado HLS and Zynq SoC – Part 1

Having an on-screen display in your video can benefit in various ways. Sometimes, having an on-screen display (OSD) can be a need or can serve the purpose of adding an appeal to your project. This little project will be split across two parts. The first

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zynq vitis

Programming the Zynq 7000 with Vivado 2019.2 and Vitis

I purchased a Zynq 7000 development board recently and wanted to play with it for quite some time now. Finally, the lock-down due to the corona virus pandemic gave me some time to put my hands on Zynq SoC development. In the past, I had

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psa4-5043+ gain

Measuring noise figure using Gain Method

For those into radio astronomy would know the significance of having ultra-low noise figures. Lower the noise figure, the more sensitive your receiver becomes. Noise figure is a unit of measure that tells us how much noise, for example, your amplifier is adding to the

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em simulation feature image

EM simulation over a PCB designed by you

Doing electromagnetic simulations on your PCB layout can be a difficult task. The main reason being the tremendous effort required in porting your PCB layout data over to the 3D EM simulation software. Fortunately, new updates to the EM solver tools have made our work

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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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