[Boatanchors] The old "6T9 one tube transmitter"

[howard holden]

Sandy I helped a budding Novice build one some 35 years ago. Got about 5 watts out with no tweaking other than normal tuning. So not able to help with problems but I know the circuit works.

Howie WB2AWQ
  ----- Original Message ----- 
  From: Sandy<mailto:ebjr37 at charter.net> 
  To: Glowbugs reflector<mailto:glowbugs at piobaire.mines.uidaho.edu> ; boatanchors at mailman.qth.net<mailto:boatanchors at mailman.qth.net> 
  Sent: Sunday, January 31, 2010 9:55 PM
  Subject: [Boatanchors] The old "6T9 one tube transmitter"


  Anyone playing with or has played with the ARRL 6T9 "Novice 10 watt 
  transmitter" that used to be in the 1972-3 "Handbook" and was a staple of 
  the: "Understanding Amateur Radio" publication for some time?

  I have one I'm fooling with buy I can only get 1-2 watts out of it!  The 
  book says 6-7 watts!!  I'm using a supply that delivers about 250 volts to 
  the rig.  It has me stumped at the moment.  I thought the "junk" RF chokes 
  were the culprits, but no, a new pair didn't solve the problem or help any.

  The "big" shack is down and space inside in the bedroom is somewhat limited, 
  so I was fiddling with this thing for a easy to put together two stage CW 
  rig that would possibly generate at least 5-6 watts, but nada, so far.

  Anybody out there build one and measure the output with a reliable 
  wattmeter?

  73,

  Sandy W5TVW

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