UK MICROWAVE GROUP –Scatterpoint 2019

UK Microwave group

All Scatterpoint issues from 2019 have been published as a PDF and are now available for free download. In 2019 issues you can find many interesting articles like:  Eyal Gal Module for 10 GHz A 52 MHz to 13.6 GHz Signal Generator Based on the ADF5355 24GHz Personal Beacon using Alcatel ‘White Box’ Tx Module Horns for 122GHz Transceiver ……

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New 30THz band used for experimental Amateur radio communications

VK3CV 30THz

In November 2020, Andrew VK3CV / WQ1S and Karl VK3LN made a contact in a previously un-explored section of the upper electromagnetic spectrum at 30 Terahertz (THz) which is 30,000 GHz. A two way contact over 60 metres distance was achieved with 5×5 signals received each way. The contact is believed to be the first ever in this band anywhere…

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Two cheap QRP PAs for the 2.4 GHz uplink satellite QO-100

OK1UFC power booster wifi

Mira OK1UFC described two possibilities of how to use cheap small power amplifiers for boosting signal on 2.4GHz. If you love QRP and don’t mind the reports you receive for weaker, but sufficient signals on the QO-100 satellite for communication, you have several options for which PA to get. Link on original article <link> Enjoy reading!

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Directional Couplers: Their Operation and Application

Mini Circuits directional coupler

Interesting article from Mini-Circuits Blog: Directional couplers are an important type of signal processing device. Their basic function is to sample RF signals at a predetermined degree of coupling, with high isolation between the signal ports and the sampled ports — which supports analysis, measurement and processing for many applications. Since they are passive devices, they also operate in the…

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725GHz first QSO!!!

DB6NT first 725GHz QSO

Michael DB6NT and Andreas DB2NP made on 20th July 2020 first-ever QSO on 725Ghz! Congratulation for these great achievement! More info on German you can find here: http://www.db6nt.de/fileadmin/userfiles/_pdf/download_archiv/Erstverbindung-im-725-GHz-Amateurband.pdf or on Danish here: https://vushf.dk/forst-i-verden-cw-qso-pa-725-ghz/ Google translate is your friend 🙂 Photo: from DB6NT pdf

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