Home » Audio » Thermionic Emissions » Inexpensive Used PP EL84 Recommendations, please
CCS [message #9308 is a reply to message #9307] Tue, 01 November 2005 10:56 Go to previous messageGo to previous message
Damir is currently offline  Damir
Messages: 1005
Registered: May 2009
Illuminati (2nd Degree)
"Active load" is not a new idea, it is mentioned many times in the book "Vacuum Tube Amplifiers" by Walley and Wallman, 1948.
You can ignore how SS CCS circuit works, you can just look at it like very high value resistor for AC, and with "adjustable" voltage drop for DC.

 
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