Video: Windfreak SynthNV
We take a look at sweeping an M2 23CM35 yagi for 1296 MHz using a Windfreak SynthNV USB powered and programmed RF Signal Generator / RF Power Detector from Windfreak … Read more...
Electronics | Amateur radio | Nerdy Stuff
We take a look at sweeping an M2 23CM35 yagi for 1296 MHz using a Windfreak SynthNV USB powered and programmed RF Signal Generator / RF Power Detector from Windfreak … Read more...
I was looking into using a single VK3XDK PLL Synthesizer for both my 2.4GHz and 3.4GHz transverter systems.
ie; sharing the one PLL for both bands, with appropriate switching.
To … 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 … Read more...
This describes how to modify a Yaesu FT-817, so that the +12V appearing on the accessory connector switches on and off with the radio.
Normally, the +12V appears on the … 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 … Read more...
NEVER use VOX operation when using RF Power Amplifiers.
It should be obvious why.
The transmitter, and the PA will switch on after audio modulation is detected.
You will certainly have … Read more...
When is a transfer relay not a transfer relay?
Normally, a transfer relay can be considered as a “double change over” device, but not all transfer relays may be manufactured … 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.
But it worked fine on the … Read more...
Expressions of interest in obtaining a ThunderBolt Display will be closing soon.
This third production run will be the last.
Please contact me, if you would like to obtain a … 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.
There aren’t too many … Read more...
Here’s an interesting rainy day project for microwave enthusiasts to experiment with.
And as luck would have it, it poured down today!
From Kent Electronics it’s a PCB based 2 … Read more...
This 5.7 GHz Power Amplifier originated from the Wellington VHF Group some years ago, and the information below is a compilation of information posted on the VK Logger Discussion Forum… Read more...
Here’s a rundown of my Trimble Thunderbolt GPSDO project.
It provides an accurate 10MHz reference for the transverter Local Oscillator PLLs.
The existing Thunderbolt mounting holes will be utilized, and … 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.
It is based upon the popular VK3XDK … 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.
Although RF Ham Design … Read more...