On Tuesday 19 April 2005 08:51, G3rzp@aol.com wrote:
> In a message dated 18/04/2005 22:31:16 GMT Standard Time, pegloff@gmail.com
> writes:
>
> But a bit more difficult to measure the other currents and voltages for
> which the reference et the cathode level.
>
> Has anyone an idea how to do that, on a simple way ?
Opto isolators? Some have a reasonable linear range, or you can use a second
one and an opamp to correct any non-linearities. With any of the suggested
solutions, you'll need to take care to protect the monitoring circuit under
fault conditions.
Steve
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