=  NOW 20 WPM  =  TEXT IS FROM AUGUST 2021  QST  PAGE 33 =

TO LOWER.  THERE WILL BE NO AGC APPLIED AT OR BELOW THIS POINT, BUT AGC
BEGINS ON SIGNALS ABOVE THIS LEVEL.  NO AGC IS NECESSARY ON SIGNALS OF THIS
LEVEL.  5 INITIALLY, ADJUST SETTINGS AS NECESSARY TO MEET YOUR OWN
REQUIREMENTS.  THERE IS INTERACTION BETWEEN THE R8, R9, AND R10.  6 ONCE
YOU SET THE CONTROLS TO YOUR PREFERENCES, NO FURTHER ADJUSTMENTS ARE
NECESSARY.  IF NO S METER IS ATTACHED, LEAVE THE CONNECTION OPEN.  ALSO,
LEAVE OPEN THE UNUSED AGC OUTPUT.  AGC HOLD TIME IS CONTROLLED BY THE VALUE
OF C6.  I DESIGNED IT FOR FAST AGC, BUT YOU CAN CHANGE THIS BY INCREASING
C6 UP TO 10 UF OR SO.  AS DESIGNED, THE AGC ACTION WORKS WELL ON CW, SSB,
AND AM SIGNALS.  IF YOU INCREASE C6, AND YOU HEAR A POPPING SOUND WHEN A
STRONG SIGNAL IS DETECTED, THE VALUE OF C6 IS TOO HIGH IT IS SLOWING
=  END OF 20 WPM TEXT  =  QST DE W1AW  <