QEX reprints by permission of ARRL

All articles Copyright Paul Wade W1GHZ

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• Locked VCXOs for Stable Microwave Local Oscillators with Low Phase Noise from QEX, May/June 2014.
  Update December 2014

 
• Waveguide Filters You Can Build - and Tune Part 1 - Filter Tour from QEX, November 2009.
  Tour of filter characteristics and terminology.

 
• Waveguide Filters You Can Build - and Tune Part 2 - Waveguide Post Filters from QEX, January 2010.
  Microwave Waveguide Post Filter design and construction.
  Download WGFIL software for Waveguide Post & Iris Filter design by Dennis Sweeney, WA4LPR, by permission.

 
 
• Waveguide Filters You Can Build - and Tune Part 3 - Evanescent Mode Waveguide Filters from QEX, March 2010.
  Microwave Waveguide Evanexcent Mode Filter design and construction.

 
• Rectangular Waveguide to Coax Transition Design from QEX, Nov/Dec 2006.
  Rectangular waveguide transitions to coax.
  CORRECTIONS

 
• Rover Software for the PALM Organizer from QEX, May/June 2003.

 
• Understand Circular Waveguide - Experimentally from QEX, Jan/Feb 2001.
  Circular waveguide and transitions to coax.

 
• Waveguide Interdigital Filters from QEX, January 1999.
  Microwave interdigital filters built in waveguide.
  Download INTFIL software for Interdigital Filter design

 
• A Single-board Transverter for 5760 MHz and Phase 3D from QEX, November 1997.

 
• Noise Measurement and Generation from QEX, November 1996.

 
• A Fool-Resistant Sequencer from QEX, May 1996.
  Sequencer for Microwave Transverters

 
• A Dual Mixer for 5760 MHz from QEX, August 1995.

 
• Modification of TVRO LNBs for 10 GHz from QEX, April 1995. with W1FKF

 
• A UHF+ VSWR Bridge from QEX, February, 1995.

 
• High-Performance Antennas for 5760 MHz from QEX, January 1995.

 
• Building VHF Power Attenuators from QEX, April 1994.
  Using ordinary resistors.

  More to come

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All the antenna articles have been rewritten for:




W1GHZ Microwave Antenna Book Online

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