At 03:19 PM 7/3/02 -0400, A.J. Tufgar wrote:
>Hey thanks Peter I had tried national but I didn't see this opamp.
>
>I think this should work out hopefully the bridge is sensitive enough
>though after I decrease it's voltage supply.
>
>One quick question about this:  How would I go about switching the 1.5V
>to 3.3V on the op-amp supply? I can't just put the 3.3V across it or the
>battery would probably be destroyed.  So how would I switch the 1.5V off
>of the op-amp?

The LM10 is a neat part - we use several thousand each year.

As far as your PSU switching is concerned - have a close look at the output
voltage of your boost convertor when the switcher is not active (in
shut-down mode).  I think that you will find that it is the input voltage
less the drop across the catch diode.  This may still be too low but it is
worth taking a look at.

dwayne

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Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
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