Electronics | Amateur radio | Nerdy Stuff
The DL2AM 10 GHz 10 Watt Power Amplifier arrived recently, and was “unboxed” today.
(Click on the pictures, to see them full-size)
Manufactured by Philipp Prinz, DL2AM, this requires;
My Kuhne 10 GHz G3 transverter provides a nominal 250mW output (+24dBm), so a 3dB in-line SMA attentuator will be required between the Kuhne and this power amplifier.… Read more...
Brisbane 10 GHz Activity Day, October 27, 2013
Iain, VK5ZD, is operating portable from the Gold Coast, whilst other stations are operating S/E QLD.… Read more...
One thing that became apparent when using a single XDK PLL board in a dual-band 2.4/3.4 GHz transverter system, is that the PLL’s limitation on producing even MHz only, necessitates using different IFs.… Read more...
Kuhne provide a PLL Lock status LED on the PLL board of their G3 transverter modules.
This LED is inside the module, which is great when the lids are off on the shack bench, but of limited value when out in a real operational environment.… Read more...
I was caught by surprise out in the field the other day, when my new Kuhne MKU 10 G3 432 appeared to not work.… Read more...
My Down East Microwave Inc 3W 10GHz amp kit arrived in the mail recently.
It was ordered on 14/4/11 and arrived 20 days later on 4/5/11.… Read more...
Here’s a rundown of my Trimble Thunderbolt GPSDO project.
It provides an accurate 10MHz reference for the transverter Local Oscillator PLLs.… Read more...
This is a small and convenient microwave signal generator, for use in the shack or out in the field as a check source.… Read more...
Here is a quick review at the RF Ham Design tri-band ringfeed for 9, 6 and 3cm, model # FPF R963, and accessory mounting bracket, CLX-1.… Read more...
Well, I finally got a chance to have a play with my new “ZL PLL” board from Wayne, ZL2BKC.
First thing to do was organise a programming lead.… Read more...
The Kuhne MKU xx G3 432 transverter modules have inbuilt OCXOs LOs (Oven Compensated Crystal Oscillator Local Oscillators), and whilst very good, they can be locked to an external 10 MHz reference from a GPS Disciplined Oscillator (GPSDO), such as a Trimble ThunderBolt.… Read more...
A 3-part series covering the S/E Queensland Microwave Activity Day (MAD) on February 24, 2013.
VK4 Microwave Activity Day (MAD), Feb 24, 2013 – Part 1
Three videos testing a VK3XDK 10 GHz transverter system.
The first 10 GHz transverter system test is a short range test across the Brisbane River to VK4WR.… Read more...
This is an overview on building a band pass filter for the 10 GHz amateur band using copper plumbing end caps.… Read more...
This video by Peter, VK4EA, covers the VK4 2013 Microwave Test & Tune day, held at the Redcliffe & Districts Radio Club rooms on April 21, 2013.… Read more...
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