GM3SEK's Amateur Radio Technical Notebook


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 How to set up your speech processor Intermodulation distortion Effects of screen supply stabilisation PTT interface and speed-up circuit for RF relays Transistor PA bias circuits EMC/RFI - VHF/UHF harmonic notch filters - FM and UHF-TV interference filters PSU Designer software Accurate, easy to use, and highly recommended! Pi/Pi-L network design/analysis spreadsheet NETCALC - an RF network calculator Triode amplifier design program Simple TX/RX sequencer G2DAF Amplifier The original articles for reference Amplifiers using Russian tubes Blower performance curves Estimate by Excel spreadsheet

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 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 Polarization and One-way EME Propagation More EME Contacts with Polarization Rotation W6/PA0ZN's EME/Radio Astronomy/SETI site - *includes 432MHz and Above EME Newsletter* Archives** SM5BSZ's technical pages

	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

Last updated 29 April 2012
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GS35b photo by courtesy of PE1OGF