Updated from Microwave Update 2012
Left - 10 MHz VCXO locked to GPS ........................ Right - 16 MHz VCXO locked to 10 MHz reference
A Flexible VCXO Locking Board
Small Projects using PC Boards from ExpressPCBIn Progress -- Suggestions and corrections welcome |
Updated November 2012
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. Parts kits for other projects may also be available. Email Chuck for pricing and availability at chuckwa3iac@yahoo.com
New - PC Board for A Flexible VCXO Locking Board - locks VCXO to GPS or 10 MHz reference
Updated from Microwave Update 2012
Left - 10 MHz VCXO locked to GPS ........................ Right - 16 MHz VCXO locked to 10 MHz reference
A Flexible VCXO Locking Board
*PC Boards available*
*PC Boards available*
*PC Boards available*
PC Board for FT-817 Panadapter Correction to Panadapter Board A Panadapter for the FT-817 using the Funcube Dongle by N1JEZ NEW! *PC Boards available*
PC Board Not Needed
A 2-meter transverter for Flex-1500 and Microwave Transverters NEW! *PC Boards available*
10 GHz Personal Beacon Update and construction hints NEW! *PC Boards available*
NEW! *PC Boards available*
Even More Fool-Resistant Conditional Sequencer Update November 2012 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*
New - PC Board for ADL5324 Power Amplifier
for Cheap and Simple Microwave Transverters
ADL5324 Power Amplifier
for Cheap and Simple Microwave Transverters
New - PC Board for Modest Power Amplifier
for Cheap and Simple Microwave Transverters
Modest Power Amplifier
for Cheap and Simple Microwave Transverters using GVA-84
New - PC board for A Panadapter for
the FT-817 using the Funcube Dongle, by N1JEZ
N1JEZ Panadapter 10 GHz Screenshot, board, and installed in FT-817
New - 10 MHz Filter for GPS Frequency
Reference
New - Miniverter-F
Miniverter-F
for 2 meters, also 222 or 432 MHz
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
*PC Boards available*
Battery-sharing
Switch
Chassis mounts and
distribution boards for PowerPoles
Anderson PowerPoles are the
connector of choice for 12 volt operation
Elegant PowerPole board fits in electrical outlet box
*PC Boards
available* - Elegant distribution board for 4 or 6 PowerPoles
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
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?
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