Crystal Oscillators – Low Phase Noise Under Vibration
Microwave Product Digest, May 2013 by Liz Ronchetti

1 to 650 MHz Ultra Low Noise OCXOs
Microwave Journal, July 12, 2012 by Paul Cole

Wenzel Associates: Perfect Timing
Microwave Journal,  July 13, 2012 by Liz Ronchetti

Challenges in Space Qualified Hardware
Posted on April 1, 2011 by Liz Ronchetti

What is 217 Plus?
Posted on November 29, 2010 by Liz Ronchetti

Ultra Low Phase Noise 200 MHz to 12 GHz Multiplied Crystal Oscillators
Microwave Journal, October 1, 2009 by Paul Cole

Vibration Effects on Phase Noise of Low Noise Oscillators
Microwave Theory & Technology (MTT) Society, IEEE Long Island Section
May 28, 2008 by Liz Ronchetti

New Oscillators Advance in the Art of Low Noise Performance
RF Design Magazine,  January 1993 by Charles Wenzel

New Topology Multiplier Generates Odd Harmonics
RF Design Magazine, by Charles Wenzel

Low Frequency Circulator/Isolator Uses No Ferrite or Magnet
RF Design Magazine, by Charles Wenzel

A Low Power RF ID Transponder
RF Design Magazine, by Ray Page

Constant Reactance Voltage Controlled Oscillator
RF Design Magazine, Ray Page