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All posts by nuclearrambo

Make your own Phased Matched cables with NanoVNA

Phase matched cables come handy when dealing with phasing elements of an antenna or even when you want to deliver differential signals. There was a time when making phase matched cables meant use of expensive vector network analyzers. With the NanoVNA on your desk, you

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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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A simple HF up converter with LimeSDR

In times like these when we are all stuck in our homes, most of us are becoming active on the radio. The best ideas come out when we are challenged and right now we are all challenged mentally, thinking what to do during the indefinite

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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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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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