PSN-L Email List Message

Subject: Re: Omnidirectional instrument
From: Tangazazen@.......
Date: Fri, 4 Jan 2013 11:30:07 -0500 (EST)

Hi All,
 
    Incidentally, if you modulate the LED with a sine wave  and sum the 
output of the two photo detector, this can be used to stabilize the  LED 
amplitude which renders it insensitive to temperature.
 
Martin
 
 






Hi All,


 


    Incidentally, if you modulate the LED with a sine w=
ave=20
and sum the output of the two photo detector, this can be used to stabilize=
 the=20
LED amplitude which renders it insensitive to temperature.


 


Martin


 


 
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