Hi there - thank you for visiting my technical web site which is dedicated to RF Communications related ideas and circuits. Also included are links back to my consultancy site and a shared site for my amateur radio interests and the Crystal Palace Radio & Electronics Club. If you have any comments about any of these or suggestions for items or related web links to be added, please email them to me at G3OOU@QSL.NET
Bob F Burns G3OOU - Electronic Design Centre
You are visitor number:
Best wishes for 2009
Unless otherwise stated, all items on these pages are copyright R F Burns 1999-2009.
These web pages were last updated on 30 June 2009

Aerial Matching Unit

Indicator Dials

Progressive Receiver Design

Aerials and Feeders - HF

Keyer

Rcvr Sensitivity Measurements

Aerials - VHF

LC Bridge

SB101 Modifications (updated)

AM Detector

Logarithmic Detector

SB-101 Rebuild (updated)

Amplitude Modulator

Low Cost HF 100W Load (upd’d)

SB-301 Receiver Improvements

Crystals for IF Filters

Metalwork

Simple RF Detectors

FM Deviation Measurements

Mixer Terminations

Simple RF Test Equipment

Gate Dip Oscillator

Painting and Letting Panels

Switch Wafer Repairs (updated)

 

PC Board Construction

Transmitter Harmonic Filters

H-Mode Mixer v1

PC Board Layout

Useful Tools

IF Filters 1

Power Supplies

Vackar VFO

IF Filters 2

Permeability Tuned Oscillator

VOGAD