‰  NOW 13 WPM  ‰
PEAKS COMMON TO ANY CLEAN SSB SIGNAL DRIVING A PRACTICAL LINEAR AMPLIFIER.
SO, HOW DOES IT SOUND?  I EVALUATE MY SSB EXCITERS THIS WAY FIRST, I
TRANSLATE THE FREQUENCY TO SOME VERY QUIET SPOT IN THE HF SPECTRUM USING A
CRYSTAL OSCILLATOR AND MIXER.  I PUT ENOUGH ATTENUATORS BEFORE AND AFTER
THE MIXER TO OBTAIN A PEAK SSB OUTPUT LEVEL OF AROUND 60 DBM WEAK ENOUGH TO
NOT OVERLOAD THE RECEIVER BUT STRONG ENOUGH THAT I CAN HEAR OFF CHANNEL
GARBAGE ANOTHER 60 OR 70 DB BELOW THE PEAK TRANSMITTER OUTPUT.  I CONNECT A
ƒ  QST DE W1AW  ‰
CD PLAYER WITH SOME GOOD ACOUSTIC FOLK MUSIC LOTS OF VOICE, GUITAR
TRANSIENTS, PERHAPS A MANDOLIN BUT NO DRUMS TO THE EXCITER MICROPHONE
INPUT.  THEN I CONNECT THE FREQUENCY CONVERTED EXCITER OUTPUT DIRECTLY INTO
THE INPUT OF A GOOD RECEIVER AND TUNE IT IN.  MY CURRENT LAB RECEIVER IS A
‰  FROM PAGE 91  ‰
5 1 1,615 NH WD7Y 140 5 1 1,600 NV K9FOH 135 5 1 1,580 IN K7EBC 140 5 1 1,
550 WWA AH6V 126 5 1 1,460 PAC KC2JAV 135 5 1 1,450 OH K2KGJ 105 5 1 1,400
‰  END OF 13 WPM TEXT  ‰  QST DE W1AW  ƒ