[volt-nuts] Cheap Oscilloscope measurement of small current?
Electronics and Books
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Mon Nov 8 23:55:34 UTC 2010
Try a secondhand Keithley or Stranford Current Converter
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--- On Thu, 11/4/10, Peter Loron <peterl at standingwave.org> wrote:
> From: Peter Loron <peterl at standingwave.org>
> Subject: [volt-nuts] Cheap Oscilloscope measurement of small current?
> To: volt-nuts at febo.com
> Date: Thursday, November 4, 2010, 7:07 PM
> Hello, all. I'm working (very slowly,
> but working) on some designs that
> will be battery (and possibly solar) powered sensors with a
> data backhaul (likely 433 or 915MHz).
> As part of my never ending quest for more tools, I'm
> starting to educate
> myself on what I may need to get measurements on current
> usage over time
> for these devices. I want to be able to quantify power
> usage while it is
> asleep, sensing, sending data, etc..."does changing this
> code shorten
> the radio on time?"
> I'm sure Agilent would be happy to sell me a fancy
> oscilloscope current
> probe for more than my condo cost, but I'm looking for
> something more
> cost effective.
> Suggestions from the hive mind?
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