‰  NOW 35 WPM  ‰  TEXT IS FROM DECEMBER 2018 QST  PAGE 43‰

USES A BNC CONNECTOR, AND 12 V DC POWER CONNECTS THROUGH WHAT HAS BECOME A
STANDARD FOR SMALL TRANSCEIVERS A 2R1 MILLIMETER COAXIAL CONNECTOR.  THE
3R5 MILLIMETER KEY JACK ACCEPTS BOTH STRAIGHT KEY AND PADDLES.  KEYER
PADDLES USE A STEREO PLUG.  IF YOU WANT TO USE A STRAIGHT KEY OR EXTERNAL
KEYER, WIRE IT WITH A MONO PHONE PLUG WHICH GROUNDS THE RING CONNECTION,
AND THE KEYER WILL SENSE THAT YOU ARE USING A STRAIGHT KEY RATHER THAN
PADDLES.  THE PHONES JACK PUTS OUT ENOUGH AUDIO FOR A GOOD PAIR OF
HEADPHONES.  HOWEVER, AS IS COMMON WITH MANY SMALL RADIOS, THERE IS NOT
ENOUGH AUDIO TO DRIVE A SPEAKER.  EVEN THE AUDIO FOR HEADPHONES COULD BE
INCREASED FOR MORE COMFORTABLE LISTENING.  YOU MIGHT CONSIDER ADDING AN
OUTBOARD SPEAKER AMPLIFIER.  OPERATION  ARRL LAB TEST RESULTS ARE SHOWN IN
TABLE 2.  THE TRANSMITTER EASILY MEETS FCC SPECTRAL PURITY REQUIREMENTS.
THE KEYING WAVEFORM AND SIDEBANDS ARE GOOD SEE FIGURES 4 AND 5, PRODUCING A
CLEAN SIGNAL.  WITH THE DEFAULT TUNING STEP OF 100 HZ, EACH ROTATION OF THE
TUNE CONTROL MOVES THE FREQUENCY APPROXIMATELY 3 KHZ.  TO ANSWER A STATION
AND HEAR A CLEAN NOTE TAKES A LITTLE PRACTICE AND TWO HANDS ONE FOR TUNING,
AND ONE TO ADJUST VOLUME TO GET A GOOD NOTE AT A REASONABLE LEVEL AS YOU
TUNE ACROSS SIGNALS.  ONCE YOU HAVE TUNED IN A STATION, THE FREQUENCY IS
ROCK SOLID.  IF THE OTHER STATION DRIFTS A BIT OR YOU WANT TO CHANGE THE
‰  END OF 35 WPM TEXT  ‰  QST DE W1AW  ƒ