W1GHZ PC Board Small Projects

Updated November 2020


INDEX

NEW

Updated - Anderson Powerpole Boards

Universal MMIC Preamp or small PA

LDMOS Bias Circuit - Temperature Compensating

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

18 Watt LDMOS module for 902 MHz

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Panadapter for the FT-817

LED Bargraph Indicator

Simple and Cheap MMIC Preamps

Simple MMIC Amplifiers

Simple Frequency Doublers

Relay Driver for 28 volt Coax Relays

Power Amp using Mitsubishi 7-watt modules

Fan Speed Controller - senses Temperature

Locked VCXOs for Stable Microwave Oscillators

Flexible VCXO Lock for GPS or 10 MHz

Tonemeter - Frequency proportional to voltage

Anderson Powerpole Boards

Sun Noise Detector

Power Detector for VHF thru 10 GHz

RF Power Reference

All-Band Power Meter

Battery Sharing Switch

Lossless Current Monitor

LED Voltage Monitor

Homebrew Ratiometer or Handheld Network Analyzer

Miniverter-F for Flex-1500

Utility board for OpAmps and Comparators

Printed Hairpin Filters

Two-stage MMIC Amplifier in Pomona Box

Tutorial - PC Board Design with ExpressPCB software


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*

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

*PC Boards available*

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LDMOS Bias Circuit - Temperature Compensating - by N1JEZ

*PC Boards available*

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7-Watt Mitsubishi module for VHF and UHF

*PC Boards available*

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902 MHz 18 Watt LDMOS Power Amplifier Module

*PC Boards available* - Module included free courtesy WA5VJB

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Universal MMIC Preamp or small PA

*PC Boards available*

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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*

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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*

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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*

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

*PC Boards available*

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LED bargraph indicator from WW2R

*PC Boards available*

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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*

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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*

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


*PC Boards available* Thru hole or SMT

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Power Detector Board - VHF thru 10 GHz


Power Detector IC good to > 10 GHz

*PC Boards available*

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

*PC Boards available*

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Lossless Current Monitor - 20 or 50 Amps

*PC Boards available*

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

*PC Boards available*

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From QST April 2007 "Microwavelengths"


RF Power Reference for power meter calibration

*PC Boards available*

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Battery-sharing Switch
*PC Boards available*

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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

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

*PC Boards available* - Through hole or SMT

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from Microwave Update 2005


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


Updated 20 March 2007

*PC Boards available*

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

Assembly Notes and Pictures

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Printed Hairpin Filters -
Designed using Ansoft Serenade SV software

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

Download Miniverter article

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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*

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Two-stage MMIC amplifier in Pomona box

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PowerPoint Tutorial - Designing PC boards with free ExpressPCB software by K3TUF and W1GHZ

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