'Where's Johnny' (was Re: Semicondutor theory (was Re: RMCW))

[The Rooster]

"~^Johnny^~"
<NO.SPAM.gyrgrlsTHI...@gyrogearloose.comINVALID> wrote in
message news:um8qevc90kjditjlm...@4ax.com...
> {Please don't change the followup-to field, or I'll have to tear your
> tonsils out!}

Shove your feet down you're throat, LUser.

> On Sat, 14 Jun 2003 21:24:57 -0500, "The Rooster"
> <St...@NeverFalls.com> wrote:
>
> >I think of a Germaniam transitor. But maybe it's really 2 - 3 volts I'm
> >thinking of, it's been quite awhile since anyone's used a Germanium
> >transistor.
>
> The base-emitter forward bias in germanium is typically on the order
> of 250 to 300 millivolts.
> But certain small signal germaniums generally will be run on a lower
> collector supply rail (Vcc) than their silicon counterparts.
> This is because these germaniums typically have lower reverse
> collector-base breakdown voltages (Vcbo), so the Vcc must be lower,
> else the Vcbo would be exceeded. So, typically, 3 volts was a good
> Vcc value with the ancient germanium transistors, especially runnung
> on battery power.

As I said in a correction post, I had it off by a .1 multipliar (and gee,
it's been awhilst since anyone's *used* a Germanium transistor, as far as I
know.)

Stan