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In Reply to: RE: (Tube) circuit topology posted by Charles Hansen on May 15, 2009 at 23:58:52
the MIT book Charles mentions is better known as "Valley & Wallman" and it was Prof (?) Wallman that invented the cascode, or at least he was the first to put it in print.
All tube designers, professional or amateur, should/must have a copy of this book. It took my designs from copies of others 60's efforts to the 21st century.
Regards, Allen (Vacuum State)
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