GM3SEK's Amateur Radio Technical Notebook



4CX400A


GS35b

RF Power Amplifiers

The Triode Board
PC board and Kit for Triode PA control and protection
Download the complete Triode Board Instruction Manual

The Tetrode Boards
PC boards and Kit for Tetrode PA control and protection
Download the complete Tetrode Boards Instruction Manual

Tried and tested solutions
We have supplied
over 1600 Boards
and Kits in the past 12 years
to customers all around the world.

Order online, direct from the designer


Power Amplifier Design and Operation

 



Sad to say,
The VHF/UHF DX Book
is no longer available

If you're still looking for a copy, set a permanent 'Watch' for the title on ebay.co.uk

Front Cover

Corrections and updates

VHF/UHF DX

VHF/UHF Long Yagi Workshop

VE7BQH Yagi Performance Tables

The 'world standard' benchmarks for Yagi performance on 50MHz and 144MHz

Stacking Yagis for the Same or Different Bands


DUBUS magazine and DUBUS-Technik books
DUBUS Archives 1982-1992

 Moonbounce



In Practice


Thanks to everyone for reading and contributing to this column since 1993.

There will be no more monthly 'In Practice' columns, but these web pages will continue to be updated.

The 'In Practice' pages
More information about ongoing topics

Cost-effective Ferrite Chokes and Baluns
Latest version of the extended article.

PowerPoint show from RSGB Convention, 9 October 2010

Best of 'In Practice' on the web
Articles and resources of long-term interest

Cumulative Index, 1993 - 2010
All 207 monthly columns, indexed by topic

UK Component and Tool Suppliers
Where to buy, how to order - still active, please keep sending your recommendations



 

 

E-mail GM3SEK

Last updated 29 April 2012
Page © 1996-2010 IFWtech Limited.
Some graphics © DIR Publishing Ltd; © Eimac, Inc; © RSGB; © Svetlana, Inc.
GS35b photo by courtesy of PE1OGF