New - from QST April 2007 "Microwavelengths"
Small Projects using PC Boards from ExpressPCBIn Progress -- Suggestions and corrections welcome |
Updated 20 March 2007
Kits are now available through Chuck Steer, WA3IAC for the following small projects: Bargraph, Fan speeed controller, Sequencer, LED voltage monitor and RF power Reference. Email Chuck for pricing and availability at chuckwa3iac@yahoo.com
New - from QST April 2007 "Microwavelengths"
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
New - for Microwave Update 2005
A Homebrew Ratiometer for Antenna Measurement, or a Handheld Network Analyzer
Updated 20 March 2007
LED bargraph indicator used above
NEW! 11/18/2005 *PC Boards available*
Battery-sharing Switch
Chassis mounts and
distribution boards for PowerPoles
Anderson
PowerPoles are the connector of choice for 12 volt operation
All-band portable power meter - 160 Meters to 10 GHz
Kit ABPM now available from Down East Microwave
NEW! 6 March 2006
Assembly Notes and Pictures
Fan speed controller - fan runs with a gentle purr at room temperature, speed increases as temperature rises.
Can sense heatsink temperature.
Lossless Current Monitor -
20 or 50 Amps
LED Voltage Monitor -
A Single LED Battery Status Indicator for the Rover
Utility Board for Op-amps and Comparators
Tonemeter -
An Audio Tone Indicator for Tuning or Antenna Measuring
A Voltage Standard for the Hamshack
Printed Hairpin Filters -
Designed using Ansoft Serenade SV software
222
MHz Transverter for the FT-817
Two-stage MMIC
amplifier in Pomona box
Simple, yet still
"fool-resistant," sequencer for microwave transverters 
Enhanced version of "fool-resistant" sequencer with Power Output LED
Load tester for batteries
and power supplies
What's this ExpressPCB
stuff, anyhow?
Return
to W1GHZ Home Page
