>And the last and most evil scheme consists of a single NJFET (like BF244
>or 245 or 2N equivalents) with G to gnd and D and S to load and Vcc
>respectively, and NO other parts. Beware of decounpling input and output
>properly as this is also a very popular UHF oscillator configuration. It
>works like the single PFET described in the previous paragraph. By
>selecting one with Vp ~= 5V (A suffix on BF245 is usually like this), you
>have 5V out. This latter scheme has the strange advantage of also working
>backwards ! Swap load and supply at will. I have used it to equalize
>charge in two small NiCd accumulators.
>Peter

This sounds like something I ran across that lets you connect
a bus running at 3.3v with one running at 5v.  Bidirectional!
Six or eight of 'em on a chip (made by Quality Semiconductor,
who, the Web claims, got bought by IDT).  And it is nothing
more than a FET, connected in similar fashion.

Barry

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