Two batteries, one for each section.

or Switched Mode Power Supply with isolated secondary windings

or if you have circuitry common to both inputs, either

use linearised opto-isolators or
chop the input signals at high frequency and transfer to the common
circuitry using transformers

No.... the answer cannot be that simple either I am missing something or you
haven't stated the complete scenario

Regards

Chris Carr

> I'm using a circuit that has 2 section powered from a battery. Is it
> possible to isolate the ground signal from both sections so that there is
no
> connection between the grounds from each parts for the circuit.
>
> The circuits are 2 continuity circuits which detect continuity throught
the
> ground of the circuit but I wish to use both circuits in different
sections
> of the same loop but the ground from circuit 1 probe will affect the
> dectection of continuity by the section 2 probe. Is there anyway around
this
>

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