10 MHz GPSDO

August 7, 2013 Adam 0

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 mounted in a vertical orientation, inside the 3RU 2.4/3.4GHz transverter … Read more...

Portable Microwave Sig Gen

August 7, 2013 Adam 0

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 PLL Synthesizer board.

The antenna is a WA5VJB log periodic, … Read more...

RF HamDesign Ring Feed

August 7, 2013 Adam 0

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 produce quite a number of [url=http://www.rfhamdesign.com/products/parabolicdishkit/dishfeeds/index.html]parabolic dish ringfeeds[/url], and already … Read more...

ZL2BKC ZL PLL programming lead

August 7, 2013 Adam 0

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.

Being curious, I initially tried using a PICAXE AXE027 lead, but nope, … Read more...

VK3XDK 2.4 GHz transverter project

August 7, 2013 Adam 0

I’ve had an interest in microwaves for many years, but never knew quite how to kick start it off.

2.4 GHz seemed like a good place to start.

Let’s face it, finding information on how to get started on the … Read more...

Kuhne G3 Ext Ref level

August 7, 2013 Adam 0

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 … Read more...

Mounting a ThunderBolt Display

August 7, 2013 Adam 0

Unit #1 – Within Transverter enclosure, no screws visible from front panel

This is the part I have been dreading… actually mounting the display, and preferable in a strong manner that is invisible from the front.

To be really strong … Read more...