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Re: PP 2A3/6B4G anybody? [message #31473 is a reply to message #31469] Thu, 24 November 2005 11:01 Go to previous messageGo to previous message
Damir is currently offline  Damir
Messages: 1005
Registered: May 2009
Illuminati (2nd Degree)
Quick "analise" gives Raa ~ 2*(Ugk*µ/Ia - rp) ~ 8kOhms, for OP 300V/50mA/-60V.
Theoretical Pout ~ Paa = Ia^2*Raa = 0,035^2*8000 = 10W, or
Ua=Ugk*µ/(1+2rp/Raa) = 42,4*4/(1+1600/8000)=141,4Vrms, and then
Pout ~ Paa = Uaa^2/Raa = 282,8^2/8000 = 10W

But, realistically, (losses, distortion) - Pout ~ 8W

 
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