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serbanc
registered user
Messages: 2
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 Created: 2005-01-14, 11:12 PM CET Subject: ... from GSM terminals parts
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did anyone tried to build a jammer from unsoldered components from GSM terminals ?
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kleiner-onkel
Administrator
Messages: 412
Location: South-West-G
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Created: 2005-01-16, 05:27 PM CET Subject: Re: ... from GSM terminals parts
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Hi...
...this is possible but ,,, but not as easy.... 
There's a small sawtooth generator for the vco frequency inside... that
match the desired frequency to the pll circuit. If you unterstand
to programm this microcontroller there's no problem to controll this
sawtooth generator and activate the amplifier stages.
STILL ANYONE DOING THIS ???
Chris 
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serbanc
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Messages: 2
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Created: 2005-01-17, 03:56 PM CET Subject: Re: ... from GSM terminals parts
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come on ... it's fun ...
the idee is that in ericsson phones you can find a murata vco operating at 946 Mhz. you can use that device
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