RF Design and Test Wireless Antenna Design, Simulation and Measurement Analog and Digital Baseband and Broadband design Reference Design and Documentation

Link to my tutorial 'Antennas Enhance WLAN Security' in BYTE.com, October, 2001

Link to NEC2.org, my repository for the Numerical Electromagnetics Code

Analog and Digital, Baseband and Broadband Design and Simulation

• Receiver front end, IF and synthesizer circuits from DC to 10GHz
• Transmitter and Pulsed Power Amplifier design, SPICE simulation and test (1MHz to 5GHz)
• PCAD layout for Surface Mount, Stripline and Multilayer circuitry
• Discrete Analog design or MMIC integration
• PCB COMB filter design and verification using Zeland's IE3D

Wireless and Slot Antenna Design, Simulation and Test

• Design of 'Wire', 'Surface' and 'Slot' antennae
• Simulation using Zeland's Fidelity and IE3D software
• Simulation using Lawrence Livermore's NEC2/3/4 Software
• 802.11, GSM, CDMA and GPS antenna design, SWR and radiation pattern measurement
• Microstrip and Patch Antenna design and simulation

Reference Design and Documentation

• Design of Reference circuit boards for MMIC or ASIC RF circuits
• Experience with extremely complex ASIC Debug, including Microprocessor Logic
• Communications skills to accurately describe even the most complex ASIC design

Surface Mount, BGA, ASIC and MMIC Components Surface mount Protoype and Assembly equipment, including "Chipmaster" Machine for Automatic reflow of Ball Grid Array (BGA) ASIC and MMIC packages with inbuilt vacuum-operated component handling Vacuum operated manual pick and place for miniature SM components Wide range of Prototype Surface Mount Resistors, Capacitors and Semiconductors Solder Paste dispenser with controlled drop size

Phase Locked Loop Design

• Microprocessor and DSP based Digital PLL design, simulation, and verification
• Analog PLL design, SPICE simulation, and verification

Test Equipment

• Test and characterization performed with my equipment, or with yours
• Spectrum Analyzers, Vector Network Analyzers, Sweep Generators, Logic Analyzers, Synthesizers, Digital and Analog Scopes, frequency and pulse counters.

Link to article 'Antennas Enhance WLAN Security' in BYTE.com, October, 2001

Click here for a list of other articles written for the E.E.Times CMP Publishing Group

RF Publications

• 'Digital Switched Power Amplification', Master Thesis, University of Adelaide, 1978

• 'A Digitally Synthesised Communications Receiver', Proceedings IREECON, Sydney (Aust), August 1975, pp 402-403

• 'A Switchmode Solid State Broadcast Transmitter' Proceedings IREECON, Melbourne (Aust), August 1977, pp 208-211

• 'Development of Low Cost Digital SSB Transceivers' Proceedings IREECON 1979, Sydney (Aust), pp 558-561

• T.G.MARSHALL, 'Synchronous Reception using a Nines Complement IF' Proceedings I.R.E.E. (Aust), December 1980

Click here for a general list of publications on Analog, Digital and Software Design

DISCLAIMER: Any resemblance between the above views and those of my employer(s) are purely coincidental. Any resemblance between the above and my own views is non-deterministic. My existence can be challenged. The question of the existence of views in the absence of anyone to hold them is left as an exercise for the reader. The question of the existence of the reader is left as an exercise in the second order coefficient.