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ken scharf wrote:
Tim Wescott wrote: On Thu, 04 Dec 2008 06:23:48 -0800, JIMMIE wrote: After years of avoiding morse code I am finally getting into it. the ideal of operating a very simple transmitter appeals to my junkbox/ trashcan construction mentality. I am looking for a substitue for a 6L6 that has the plate brought out the top. I was trying to build a little Glowbug transmitter but was having all kinds of problems neutralizing the the thing. I think I would have better luck if I can separate the grid and plate circuits from each other. I am considering an 807 as a replacement Suggestions would be appreciated. Jimmie Dunno if it's been mentioned yet -- 2E26. The 807 is _not_ a 6L6 in a different envelope -- it's quit arguably the 6L6's big brother, but it's got different ratings; it could probably be shoe-horned into a circuit designed for the 6L6, but you'd be missing out on about 6dB of final output power. The 807 IS a 6L6G with a 5 pin base and the plate connected to the top. The published ratings of the 6L6G look different than the 807 because of -- snip -- The type 1614 is a metal tube based on the 6L6. It is a transmitting version, and probably has additional shielding. Otherwise its internal structure is the same as the 6L6 metal type. How is the 6L6 metal type different internally from the 6L6G? -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html |
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