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dB meter for Mesuring spl

 
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theGate



Joined: 06 Apr 2001
Posts: 63
Post21 Aug 2001 23:03   
Someone have a little shematic about dB meter for spl measure ??
I need only to detect a 70 dB spl at 100 hz.
Quit simple Smile
thanks
theGate Smile
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HARDCORE



Joined: 21 May 2001
Posts: 29
Post24 Aug 2001 18:54   
Hi , theGate
I have found an german ELEKTOR Project and I printed it as an PDF.

Fileman in Dir 'HARDCORE' h**p://www.elektroda.pl/ftp/HARDCORE/db.exe
sorry i forgot tu put the schematic in the archiv Smile
h**p://www.elektroda.pl/ftp/HARDCORE/schematic.pdf
Mayby this will help you

HARDCORE

[ This Message was edited by: hardcore on 2001-08-24 20:11 ]
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