Aron -
If you order the part and have it shipped to my QTH as
indicated on QRZ.COM, I can hand carry it to Israel at
the end of next month.
I will be staying with the family of 4Z4UT.
73,
Jay/AF2C
--- Steve Thompson <g8gsq@eltac.co.uk> wrote:
> Bryan Swadener wrote:
> > Aron 4X1FQ wrote:
> >
> >> HI,
> >> Looking for 7,5 v zener 10w diode for TL922.
> >> wonder where i can buy them.
> >> Thanks,
> >> Aron 4X1FQ.
> >
> > Hi Aron,
> > Mouser (http://www.mouser.com/) shows them in
> stock in
> > two forms -- "normal" and "reverse polarity"
> (1N2971B
> > and 1N2971BR). However, while you'll pay
> > approximately $5 USD for the part, you'll pay a
> > minimum of $38 USD for shipping. If you can't
> find a
> > 1N2971 in your country, you may want to just use a
> > stack of silicon rectifiers instead. The
> advantage is
> > that you will be able to select the number of
> > rectifiers to set the zero signal plate current to
> > your liking. Another technique for adjustable
> bias is
> > shown here: http://bias.gs35b.com/ -- I used it in
> my
> > Heathkit SB-220.
> You could also look at information about the triode
> control board
> designed by G3SEK - http://www.ifwtech.co.uk/g3sek/
> and also see
> the addendum at the end of
> http://www.landfall.net/Radio/8877-1.htm
> for other alternatives to a high power zener.
>
> Steve
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> http://lists.contesting.com/mailman/listinfo/amps
>
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