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Chris
New PostCreated: 2004-04-14, 11:00 PM CET     Subject:  Re: Building Phone Jamers Reply with Quotation  
tiptoi® Kindersachbuch: tiptoi® Mein...
Hy...

every cellphone in the 900Mhz GSM Band use Power Fet's ,,, but
it's easyer to take a hybrid amp with 4 contacts ... like

(1)IN
(2) Preeamp in Class A
(3) Main Amp in Class C
(4) Output ...

like those in the Siemens S4 Cellphone.

It's to late to upload a couple of pictures....
but maybee tomorrow.

Geetings

Chris
nach oben
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