Technical Papers & Software from the San Diego Microwave Group
Last update of these pages: January 8, 2013
Technical Articles and Projects : Revised contact info for
Qualcomm mod data (1/8/2013) W6QIW mods for Pcom 23 GHz Tx Module (10/30/2010) 70
cm preamp conversion from 9003B digital rcvr pcb. (8/10/2010). Added Photos of
Pcom 23 GHz High Side LO Mods to 24 GHz article (12/3/2009) Updated Microwave
Group of San Diego info. (10/29/2009) Added article on Qualcomm 1152 Board Power
Supply connections (8/3/2008). Updated Section on Optical Communications Projects
(3/17/08). Clarified Pcom High-Side LO module power wiring connections (5/2/2007). Doppler
sounds from the US Navy NAVSPASUR Radar Fence (10/30/06). Updated repair procedures
for Qualcomm 10 Volt Power Supply (3/8/04). New 47 GHz section with articles and
experiments, (11/25/03). Added 1996 article on San Diego 10 GHz All-Mode Repeater
(11/13/03). Revised Pcom High-Side LO Synthesizer Mods (9/2/03). New tunable
filters for 3072 or 2208 MHz (4/28/03). New info on modifying the Pcom 23 GHz
High Side LO ODU by Kerry Banke, N6IZW (5/20/03). Modified Power Supply Schematic
for Microwave Noise Source Article, (5/17/05). Modified Pcom 23 GHz dc-dc power supply,
added external lead filtering to 2-3 GHz U/D Converter, and power control circuitry
to High Side LO ODU (11/30/2005)
This page is the Main Table of Contents
for our technical articles and drawings.
Software Programs, Added Excel Spreadsheets to roughly determine
system noise temperature by comparing transverter output when antenna pointed
at earth, then at cold sky. This entry was corrected on May 22, 2002 due to problem
in downloading .xls files. (5/22/02)