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Category Archives: Electronics

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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neje dk bl laser

NEJE DK-BL 1500 laser engraving tool review

Laser engraving can be a fun pass time. If you often create art, a laser engraving machine can help you put that design onto a piece of wood or cardboard. Burning your artwork on a piece of wood gives a very special kind of appeal

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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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Building an automatic gain control (AGC) circuit

Most amplifiers we use have a fixed gain. In case of excess input power, the amplifier saturates. As a result, the blocks down the receive chain also get affected by this. To avoid this, the preferred technique is to reduce the gain of the amplifier

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