Uses a 6AB8 = ECL80 or similar Triode-Pentode tube

ECL80, ECL82, ECL84, ECL86

ECL80/6AB8 will give you about 2-3 Watts RF out, ECL82/6BM8 will give about 8 watts. ECL83 will give about 6 Watts. 6DX8/ECL84 and ECL85 will give maybe 8 watts and ECL86/6GW8 will give about 12 Watts out.

Other tubes with some interesting possibilities: 16GV8, 18GV8, 30PL15, 6GV8, CV10707, PCL805, PCL85

I would like to some day build a rig with a 2E26 final at about 25-30 Watts RF. I have kept some around hoping to find time to do that.

Another tube that would be very interesting to try in a glowbug transmitter is the 6HU8, which is equivalent to the European ELL80 is a dual PENTODE output tube intended to give 6 Watts + 6 Watts stereo output, or as a push-pull 15 watt amplifier. You could probably use it to make a fairly compact 20 Watt transmitter!

• Two Way ECL82 Transnmitters Recording - by Hans, G0UPL - listen in!
• SV1DAF, Chris presents two simple AM Transmitters - with circuit diagrams.
• WD8DAS Tube Tuna Tin Transmitter with 6C4 -5763. includes schematic etc.

• WD8DAS Tube Tuna Tin Transmitter with 6C4 -5763. Main Page - includes schematic etc.

• N5ESE's Altoobs 2-Tube 40 Meter CW Transmitter - Uses a 12BY7 and 7551 in an Altoids tin for 2 watts output.

• 6J6 Transmitter for 30m band by AK0B - A neat little crystal controlled CW rig.

• Hans Summer's ECL82 transmitter

• OH8MNM's PCL86 Rig

• ECL82/6BM8 Transmitter plans by PA3GNR

• 6BM8 Transmitter plans by WA3FIY

• SM5GNN, Jan Axing's ECL82 Transmitter

• Mighty Midget 6GW8 Transmitter by Lew McCoy | Page2 | Page3 | Page4 |

• The WA3FIY Tube QRP Transmitter - 6BM8

• G4VAM's Transmitter plans for ECL80, '82 or '86

• Chris Broadbent KC5VQL's transmitter using a 6LR8 Tube

• Practical Wireless's 1964 Transceiver plans using the Wonderful 6GW8 (ECL86) Tube

• DL9EBA's One tube transmitter

• A 6AG7 QRP Transmitter

• A Four Band 6146 Transmitter for 40 - 10m

• A Four Tube CW Transceiver

• The Tiny Tim 500 Watt Linear Amplifier

  QRP AM Transmitters

  
  Select 'BACK' after viewing each of these!

• Cakepan TX by K1ETP
• 50C5 TX by K1JJ
• Screen Modulated TX by NE1S
• Power Supply for NE1S TX
• EL Transmitter

• A Series-modulated Rig
• Numerous additional Tube Transmitter Plans on-line

CQ Magazine, March 1989: 6BM8 Transmitter

QST, March 1971: McCoy, Lewis G. and Wilson, Gus. It uses a single 6T9 triode-Pentode. The triode section is a Pierce oscillator, and the pentode power amp section is the final. It puts out about 5 watts trouble-free.

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