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Re: Differential voltage probes 1
Original poster: "Crow Leader by way of Terry Fritz <teslalist@qwest.net>" <tesla@lists.symmetric.net>
---- Original Message -----
From: "Tesla list" <tesla@pupman.com>
To: <tesla@pupman.com>
Sent: Monday, June 30, 2003 8:34 AM
Subject: RE: Differential voltage probes 1
> Original poster: "Steve Conner by way of Terry Fritz
<teslalist@qwest.net>" <steve.conner@optosci.com>
>
> One that's attached to a Tesla coil spewing sparks and inducing stupid
> voltages in any ground loop that happens to be in your measurement system.
Hmm, makes sense.
thanks,
KEN
> Also handy for looking at gate voltages in the upper half of a bridge.
>
> Anyway, I'm going off this whole diff amp thing, since I realized that the
> CMRR depends on the matching of the two impedances (referred to the diff
amp
> box ground) you're probing, and they're unlikely to ever be matched in
real
> life. I'm going to investigate the optocoupler route instead.
>
> Steve C.
>
> -----Original Message-----
> From: Tesla list [mailto:tesla@pupman.com]
> Sent: 30 June 2003 00:17
> To: tesla@pupman.com
> Subject: Re: Differential voltage probes 1
>
> What sort of microcontroller needs a 500 volt differential probe?
> KEN
>
>
>