‰  NOW 30 WPM  ‰  TEXT IS FROM DECEMBER 2008 QST  PAGES 62, 63 AND 75  ‰

AFFECTS EACH OF THESE PARASITIC VALUES.  SANS SOLDER THE FIRST VERSION OF
THE CIRCUIT IS BUILT ON A SOLDERLESS BREADBOARD, AS SEEN IN FIGURE 2.  TO
WIND THE INDUCTORS, START WITH 16 INCHES OF SOLID 20 GAUGE WIRE.  SCRAPE
THE ENAMEL COATING OFF THE ENDS OF THE WIRE WITH A KNIFE OR FILE.  ON A 1/2
INCH FORM SUCH AS A DRILL BIT OR DOWEL, WIND NINE TURNS OVER A LENGTH OF
ABOUT 7/8 INCH.  LEAVE ABOUT 3/4 INCH OF WIRE ON EACH END TO MAKE LEADS.
PLUG THE INDUCTORS INTO THE BREADBOARD AT AN ANGLE TO EACH OTHER.  IF THE
INDUCTORS ARE PLACED END TO END IN A STRAIGHT LINE, THEIR MAGNETIC FIELDS
WILL COUPLE AND UPSET CIRCUIT PERFORMANCE QUITE A BIT.  CONNECT THE
CAPACITORS FROM THE INDUCTORS TO THE BREADBOARDS GROUND RAIL.  ITS NOT
NECESSARY TO MINIMIZE LEAD LENGTH OR ARRANGEMENT YET.  NOW COMES THE FUN
PART MEASURING HOW THE CIRCUIT RESPONDS AT DIFFERENT FREQUENCIES.  AS A
SIGNAL SOURCE, YOULL NEED A SIGNAL GENERATOR OR AN SWR ANALYZER, SUCH AS AN
MFJ 259.  ANY STABLE SOURCE THAT CAN OUTPUT MORE THAN A FEW HUNDRED
‰  FROM PAGE 75  ‰
ARC W7DTV 663 2 15 1,692 OR Cape May Co. ARC N2CMC W2CMC 194 2 18 1,686 SNJ
Buffalo AR Repeater Assn W2EUP 463 2 27 1,666 WNY MM ARC W8PIF 682 1 44
‰  END OF 30 WPM TEXT  ‰  QST DE W1AW  ƒ