W1GHZ.org domain page

(Note W1GHZ.cx has gone away)
(Note Mirror on qsl.net is not always up to date)

Updated December 2014

 

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W1GHZ (N1BWT) 10 GHz home page

W1GHZ Microwave Antenna Book Online


QEX articles by W1GHZ
Small Projects
Phase Noise and MDS
New - 1296 MHz Transverter Update and Enhancements
Multiband Microwave Transverters for the Rover


1296 MHz Transverter Update and Enhancements - for better performance

New - Simple Frequency Doublers

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



New - Relay Driver for 28 volt Coax Relays

Relay Driver for 28 volt Coax Relays



New - From Microwave Update 2014
Simple Broadband Power Amplifiers


Simple Broadband Power Amplifiers - using resistive feedback


New - from Microwave Update 2014
Combline Filters for UHF and Microwaves - High Performance


Combline Filters for VHF and UHF Examples with dimensions for 50 thru 432 Mz.

New - from Microwave Update 2014
Altoids Tin Filters for UHF and Microwaves

Altoids Tin Filters - Easy to build.

New - From Microwave Update 2014
Simple and Cheap MMIC Preamps for UHF and Microwaves


Simple and Cheap MMIC Preamps - Who needs a GaAsFET?

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



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



NEW - Update December 2014 <

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PC Board for ADL5324 Power Amplifier for Cheap and Simple Microwave Transverters



PC Board for Modest Power Amplifier for Cheap and Simple Microwave Transverters

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



Miniverter-F

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

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


A Personal Beacon for 10 GHz

10 GHz Personal Beacon or LO for 8 to 12 GHz


Multiband Microwave Transverters for the Rover


902, 1296, 2304 and 3456 MHz
Simple and Cheap




Improved Dualband Feedhorn for 10 and 24 GHz
photo of feed
photo of feed with horn
photo of one-piece feed with horn and lowpass filter
New: One-piece horn with
Low-pass filter for better isolation

BD_2004 - now includes grids beginning with Q


Palm Software


January 2003 QST:  222 MHz Transverter for the Yaesu FT-817

New stuff I haven't organized yet

Small projects with PC boards

 Last light at the Big Ear Radiotelescope





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