Small Projects using PC Boards from ExpressPCBIn Progress -- Suggestions and corrections welcome |
Updated October 2010
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 [email protected]
New - Miniverter-FA 2-meter transverter for Flex-1500 and Microwave Transverters
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
NEW! *PC Boards available*
*PC Boards available*
*PC Boards available*
*PC Boards available*
*PC Boards available*
*PC Boards available*
*PC Boards available*
*PC Boards available*
Two-stage MMIC
amplifier in Pomona box
Simple, yet still
"fool-resistant," sequencer for microwave transverters
Load tester for batteries
and power supplies
New - A Personal Beacon for 10 GHz
Multiband Microwave Transverters for the Rover
An Even More Fool-Resistant Conditional Sequencer
Power Detector Board -
VHF thru 10 GHz
From QST April 2007 "Microwavelengths"
Microwave Update 2005
A Homebrew Ratiometer for Antenna Measurement, or a Handheld Network Analyzer
Updated 20 March 2007
LED bargraph indicator used above
Battery-sharing Switch
*PC Boards available*
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
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
Enhanced version of "fool-resistant" sequencer with Power Output LED
What's this ExpressPCB
stuff, anyhow?
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