Posted by PakProtector [ 205.188.117.72 ] on January 25, 2006 at 15:42:20:

In Reply to: Re: Bias supply posted by manualblock on January 25, 2006 at 11:01:21:

Hey-Hey!!!,
I think Damir answered all but the capacitanceone. Go to the Fairchild Semiconductor site, and download the data sheet for the IRF820. Scroll down to the chart with che capacitance. The caacitance is greatest at low drain-source voltages and levels off after about 10V or so. Hence the 20V recomendation.

On heatsinks, anything is a bit ov a pain compared to bare TO-220's for me. But I am a bit on the lazy side. It shows everywhere: simple PP circuits, simple linestage circuits...nothing too complicated anywhere...:)
cheers,
Douglas

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