Project “SPECTRE”

Spectre spectrum analyzer

Before few days we wrote about homemade Vector Network Analyzer, now we found on internet an interesting DIY Spectrum Analyzer. Project “SPECTRE” is a 2.7 GHz Spectrum Analyser based on the RF-Explorer 3G+ Shield. SA cover spectrum from 15 MHz to 2.7 GHz with dynamic range -130 dBm to +10 dBm. All info and documentation you can find on https://www.changpuak.ch/electronics/Arduino-Project-SPECTRE.php…

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Vivaldi Antenna

vivaldi antenna

Have you used this antennas type? Experiences? Design tips and tricks? Vivaldi antenna on Wikipedia The Pros and Cons of Vivaldi Antennas Vivaldi Antenna Cutouts or Transfers for SDR – KD0CQ Design An X-Band Vivaldi Antenna VIVALDI Eine Antenne für vier Jahreszeiten Building a wideband vivaldi antenna for sdr use Designing an ultra wideband vivaldi antenna Design an Internally Matched…

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OE2IGL – web of the week

oe2igl

Amateur radio doppler rain radar?!?! Yes, it’s possible… visit web pages from Gerald OE2IGL and read about this very interesting theme. On Gerald web pages, you can find also a lot of useful information for every microwave enthusiast. You can also find Gerald on his youtube channel. Direct link on OE2IGL web pages: http://members.inode.at/576265/index.html Enjoy reading!

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A DIY Antenna Measurement System Part 2: Mechanical Prototyping

DIY Antenna Measurment System

Part 2 is here! In this article, we can read about mechanical construction. We hope soon come the third part with more explanation about the automatisation of measurement and practical tips for using this system. If you want to read more about DIY antenna measurement system, we recommend S53MV article. The article is on Slovenian language, but Google is our…

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A DIY Antenna Measurement System

Very interesting article (Author: Andrew Back) about DIY antenna measurement system. For RF measurement is used LimeMini SDR so the system is probably usable up to 3.5 ghz. We are waiting impatiently on Part II of these article! Full link: https://www.rs-online.com/designspark/a-diy-antenna-measurement-system-part-1-introduction?fbclid=IwAR14IIy5v2pUyuH4dbA9ZNAZTbGSqNbcLVXC9Tt9XIckvkGiUaklQerddII Photo: from original article.

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