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Radio-amateur

                Amateur Radio

  WEB  SITE
           Jacques  Audet        
  TÉLÉCHARGER       ve2azx [at] amsat.org     DOWNLOAD
Présentation sur les Baluns et Ferrites Baluns and Ferrites Presentation
Schéma de la sonde courant MFJ-206 MFJ-206 Current  Probe  Schematic
Quiz sur les antennes et lignes de transmission Check your Ferrites with your SWR Analyzer
Common-Mode Chokes by Chuck  W1HIS
Coaxial Cable Delay - Theory
Coaxial Cable Delay Measurements
Measure Cable Zo with an SWR Analyzer
Modifications and Analysis of VE2ZAZ Frequency  Standard
HP 10544A  OCXO as used in HP 5328 Counter, Data Sheet and Schematic
Notre site de VOYAGES VE2ZAZ  Web  Site

Theory and Testing of Duplexers

(What you always wanted to know)
QEX Article Sept/Oct 2006:
Q Calculations of L-C Circuits and 
Transmission Lines: A Unified Approach
Get the Files Related to the QEX Article (Select 9x06 Audet.zip)
Calculate the Q and Bandwidth of R L C   Series/Parallel Resonant Circuits, from 3 Insertion Loss measurements.  This Excel file also computes the  R L C values
Off the Air Frequency Measurements FMT
Connie K5CM  FMT  web site
Excel file for Common Coaxial lines.  Calculates Losses, Dielectric Loss Tangent, Q factor for short lines below 5% lambda and Q in quarter lambda modes.
HP 8753D  VNA   Save Waveforms and Measured Data - The easy way
In Circuit Polarized Capacitor ESR Testing
Repair of HP Programmable attenuators (from Lothar Baier and myself)