TECHNICAL SECTION

Here you will find a number of technical articles which I hope will be of some interest.

 

DUAL MODE HORN FEED FOR 10GHz G3PHO's feedhorn made from stock plumbing parts
SIMPLE  MICROWAVE  FREQUENCY MARKER Markers certainly up to 24GHz and maybe 47GHz!

TWO WATTS ON 24GHz

G3PHO installed an mm-Tech 2 watt PA into his 24GHz transverter
USING THE MILLIWAVE HALF WATT PA ON 24GHz Updated  22 July 2001 with corrections to G3PHO's details and with new photographs from G7MRF

 

3.4GHz 15 WATT TRANSVERTER

G3PHO's latest (March 2003)transverter project. Full details and lots of photos plus a downloadable PDF file
CONVERTING THE MA/COM RAPAC "WHITEBOX " TO 10GHz

 

MORE  10GHz WHITEBOX INFORMATION

How to convert this Microwave Associates  data comms unit  into an effective 10GHz narrowband system. I've had this written up for 9  years but never published it! Follow the second link for some interesting information on the MACOMM  "whitebox" local oscillator
G3PHO/P MICROWAVE STATION FOR THE YEAR 2000 Try this rugged dish/mast system for your rover station. 

 

NOISE POWER INDICATOR

-by G4NNS

 

Measure Sun and Moon noise as well as assess your equipment noise figure and tune up your feedhorn.

5.7GHz in TWO DAYS!

 

Read how to get on this band with the minimum of fuss. 

UPDATED WITH NEW CONSTRUCTION DETAILS AND PHOTOS
CHEAP AND EASY PHASE 3D RECEIVER

Using the Drake 2880 Downconverter

SUB 2dB NOISE FIGURE MODS FOR THE DRAKE 2880 This link takes you directly to G0MRF's website.... please come back here afterwards!
MORE IMPROVEMENTS TO THE DRAKE 2880 DOWNCONVERTER The most recent modifications by G0MRF  - August 1999. Hot up your unit, even on 2.3GHz!   

G3PHO 10GHz TRANSVERTER FOR 2001

Using the DB6NT 10GHz transverter module in a 5 watt portable station.
MICROWAVE MORSE CODE AND TONE GENERATOR Full article and software for immediate download!  Designed and presented by Dave Wrigley, G6GXK. Build this useful programmable ID for your microwave transceiver  -- it plugs into your microphone socket!   
THE FLYSWATTER MICROWAVE ANTENNA GW3ATM'S solution to a difficult problem
SIMPLE TEST GEAR FOR THE MICROWAVER 
Simple homemade test equipment
2400MHz SIGNAL SOURCE Build this useful module, designed by John, G3DVV

CASSEGRAIN SUBREFLECTOR DESIGN ARTICLE (175KB pdf file)

Download G7MRF's article and Excel Spreadsheet to make your sub reflector design calculations.   

 

VERSATILE TRANSVERTER INTERFACE FOR THE FT817

This article by G3PHO describes a means of interfacing microwave transverters to the superb little FT817 transceiver. The full constructional article is also available as a PDF download.

 

 

 

G3PHO PORTABLE ON 47GHz

This page takes a look at my 47GHz portable equipment


 

 RETURN TO FRONT PAGE