[linux-dvb] Re: J2 IR-Reciever - another question

[Dariush Forouher <dariush@forouher.de>]

Yes thanks, now I understand the datasheed. :-)

ciao
Dariush

On Sun, 12 May 2002, Peter Bieringer wrote:
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> - --On Sunday, May 12, 2002 09:57:21 AM +0200 Dariush Forouher
> <dariush@forouher.de> wrote:
>
> > On Sun, 12 May 2002, Peter Bieringer wrote:
> >> No, this symbol is a Field Effect Transistor (FET) (very different
> >> kind to bipolar). It has Source, Drain and Gate (and sometimes an
> >> extra connector for Substrat [or also called Base]).
> >>
> >> Drain ----| |
> >>           | |
> >>           | |
> >>      | --->| |
> >>      | ----| |----- Gate
> >>      |
> >>      |
> >>   Source
> >>
> >>
> >> Drain ----| |
> >>           | |
> >> Base ---->| |
> >>           | |
> >> Source ---| |----- Gate
> >>
> >>
> >> N-channel: tip of arrow points to Gate, P-channel vice versa.
> >>
> >> FET mostly cannot be replaced by a bipolar one because of circuit
> >> design.
> >>
> > Thanks, I understand that now, but: How are these channels aranged
> > on the transistor?
> >
> >
> >          |   \
> > Pin 1  --|--   \
> > Pin 2  --|--    |
> > Pin 3  --|--   /
> >          |   /
>
> All 6 variation are available "in the wild", depending on label.
>
> Fastest way, if you have no data sheet is a search on Google
>
> http://www.google.com/search?q=bc237+transistor
>
> Replace bc237 (a common NPN transistor) with the label of your one.
>
>         Peter
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