W1GHZ PC Board Small Projects

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

PC Board for FT-817 Panadapter

Correction to Panadapter Board

A Panadapter for the FT-817 using the Funcube Dongle by N1JEZ

*PC Boards available*

Go back to INDEX

Low-cost Panadapter for the FT-817 and other rigs

*PC Boards available*
Go back to INDEX

LDMOS Bias Circuit - Temperature Compensating - by N1JEZ

*PC Boards available*
Go back to INDEX

Small Mitsubishi power amplifier module for VHF and UHF

*PC Boards available*
Go back to INDEX

New All-Band Power Meter

*PC Boards available*
Go back to INDEX

No-tune Quarter Watt Amplifier up to 3400 MHz

*PC Boards available*
Go back to INDEX

902 MHz 18 Watt LDMOS Power Amplifier Module

*PC Boards available* - Module included free courtesy WA5VJB
Go back to INDEX

Universal MMIC Preamp or small PA

*PC Boards available*
Go back to INDEX

Small PC Board for Simple MMIC amplifiers

Used in:

Simple and Cheap MMIC Preamps - Who needs a GaAsFET?

ADL5324 Power Amplifier for Cheap and Simple Microwave Transverters

Modest Power Amplifier for Cheap and Simple Microwave Transverters using GVA-84

*PC Boards available*
Go back to INDEX

Locked VCXOs for Stable Microwave Local Oscillators with Low Phase Noise
Updated from Microwave Update 2012 with Phase Noise

96 MHz VCXO locked to 10 MHz reference and Phase Noise Plot
VCXO for Microwave LO Board updated July 2013

NEW - Update January 2015

*PC Boards available*
Go back to INDEX

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*
Go back to INDEX

Tonemeter -
An Audio Tone Indicator for Tuning or Antenna Measuring
Frequency proportional to voltage - Tune by ear

*PC Boards available*
Go back to INDEX

LED bargraph indicator from WW2R

*PC Boards available*
Go back to INDEX

New - Simple Frequency Doublers

Simple Frequency Doublers - High Performance from 10 MHz thru 1296 MHz

PC board file for ExpressPCB - make your own
PC board file for OSH Park - make your own
Low cost for very small boards - www.oshpark.com

*PC Boards available*
Go back to INDEX

Relay Driver for 28 volt Coax Relays

Relay Driver for 28 volt Coax Relays

PC board file for ExpressPCB - make your own
PC board file for OSH Park - make your own
Low cost for very small boards - www.oshpark.com
*PC Boards available*
Go back to INDEX

From Microwavelengths, QST, July 2013
Sensitive RF Detector for Sun Noise and other uses

*PC Boards available* Thru hole or SMT
Go back to INDEX

Power Detector Board - VHF thru 10 GHz

Power Detector IC good to > 10 GHz

*PC Boards available*
Go back to INDEX

Fan speed controller - fan runs with a gentle purr at room temperature, speed increases as temperature rises.
Can sense heatsink temperature.

*PC Boards available*
Go back to INDEX

Lossless Current Monitor - 20 or 50 Amps

*PC Boards available*
Go back to INDEX

LED Voltage Monitor -
A Single LED Battery Status Indicator for the Rover

*PC Boards available*
Go back to INDEX

From QST April 2007 "Microwavelengths"

RF Power Reference for power meter calibration

*PC Boards available*
Go back to INDEX

Battery-sharing Switch
*PC Boards available*
Go back to INDEX

Chassis mounts and distribution boards for PowerPoles
PC distribution boards for PowerPoles
Anderson PowerPoles are the connector of choice for 12 volt operation

Elegant PowerPole board fits in electrical outlet box

High Power distribution boards for Large PowerPoles

*PC Boards available* - Several styles
Go back to INDEX

Utility Board for Op-amps and Comparators
or other 8-pin ICs

*PC Boards available* - Through hole or SMT
Go back to INDEX

from Microwave Update 2005

A Homebrew Ratiometer for Antenna Measurement, or a Handheld Network Analyzer

Updated 20 March 2007
*PC Boards available*
Go back to INDEX

All-band portable power meter - 160 Meters to 10 GHz
Kit ABPM now available from Down East Microwave
Assembly Notes and Pictures

Go back to INDEX

Printed Hairpin Filters -
Designed using Ansoft Serenade SV software

Go back to INDEX

222 MHz Transverter for the FT-817
No longer available - too many parts unobtainable
Download Miniverter article

Go back to INDEX

Miniverter-F
A 2-meter transverter for Flex-1500 and Microwave Transverters

Miniverter-F for 2 meters, also 222 or 432 MHz

*PC Boards available*
Go back to INDEX

Two-stage MMIC amplifier in Pomona box

Go back to INDEX

PowerPoint Tutorial - Designing PC boards with free ExpressPCB software by K3TUF and W1GHZ
Go back to INDEX

Go back to INDEX

Return to W1GHZ Home Page