strange question...

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2 total messages Started by para... Marcin Jaskowiak Wed, 14 Feb 1996 00:00

#321

Author: para... Marcin Jaskowiak
Date: Wed, 14 Feb 1996 00:00

25 lines
1836 bytes

to pytanko nie na ta liste wlasciwie..
czy ktos wie czy/ i jak mozna zrobic odbiornik fal o niskiej czestotliwosci?
(ok 7hz)?



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Re: strange question...

#322

Author: l... Jarek Lis
Date: Thu, 15 Feb 1996 00:00

21 lines
1240 bytes

Marcin Jaskowiak (para...@ajax.umcs.lublin.pl) wrote:
: to pytanko nie na ta liste wlasciwie..
: czy ktos wie czy/ i jak mozna zrobic odbiornik fal o niskiej czestotliwosci?
: (ok 7hz)?

7Hz? (slownie siedem)? fal elektromagnetycznych? jeszcze pytanie jak
silnych. 
1. 50Mm (50 tys km) anteny.
2. spora cewka + wzmacniacz, prawie akustyczny.
3. kawal druta+tranzystor MOSFET+wzmacniacz, prawie akustyczny+solidne
uziemienie.

-- 

Jaroslaw Lis

+------------------------------------------------------------------------+
| l...@ict.pwr.wroc.pl         | Institute of Engineering Cybernetics     |
| tel  48-71-202636           | Technical University of Wroclaw, Poland  |
| fax  48-71-203408 or 517398 |                                          |
+------------------------------------------------------------------------+

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