AVR-Chat

This is all very fascinating.  I have had it in my mind to some day build 
something like this just for fun:

http://www.westmountainradio.com/Whattmeter.htm

I figure I can put something together for far less than the cost of this 
unit, without the need for all the bells and whistles or extreme accuracy.

Zack

On Tue, 31 Jul 2007, Ned Konz wrote:

>
> There are a number of current-sense amplifiers that do level shifting
> from high voltages.
>
> For instance,
> http://www.linear.com/pc/viewCategory.jsp?navId=H0,C1,C1154,C1009,C1077
>
> shows a table of Linear Technology's "current sense amplifiers".
>
> They have two parts that should do the job (they'll go to 100V
> common-mode voltage):
>
> LT6102HV
> http://www.linear.com/pc/productDetail.jsp?navId=H0,C1,C1154,C1009,C1077,P38188
>
> LT6101HV
> http://www.linear.com/pc/productDetail.jsp?navId=H0,C1,C1154,C1009,C1077,P12995
>