‰  NOW 15 WPM  ‰  TEXT IS FROM DECEMBER 2008 QST  PAGES 36 AND 77  ‰

APART USING A HYBRID COMBINER, THE THIRD ORDER INTERCEPT IP3 LEVEL IS ALSO
EASILY FOUND.  I WAS ABLE TO MEASURE THE PERFORMANCE PARAMETERS SHOWN IN
TABLE 1.  NO DOUBT THESE FIGURES COULD BE IMPROVED CONSIDERABLY WITH A MORE
SOPHISTICATED FRONT END MIXER.  CONSTRUCTION I USED ORDINARY PERFORATED
BOARD TO CONSTRUCT THESE MODULES.  FIGURE 11 SHOWS THE TWO CIRCUIT BOARDS
THAT MAKE UP THE I Q DETECTOR PREAMPLIFIER CIRCUITRY.  AT LOW FREQUENCIES
‰  FROM PAGE 77  ‰
872 NC N4UF 429 2 1 1,854 NFL WA2S 308 2 1 1,476 NNJ AA1PL 411 2 1 1,364
‰  END OF 15 WPM TEXT  ‚