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
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
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
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
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
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
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
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.
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
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
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
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
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.
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
I’ve had an interest in microwaves for many years, but never knew quite how to kick start it off. I got the impression you somehow needed