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  1. sturriff

    Power Isolation

    Thanks jbartos. Actually the principle of operation calls for the switch to use the ground as a signal media. Not the ideal system but it's actually supposed to work that way.
  2. sturriff

    Power Isolation

    Hi all, We're working with a touch sensor system that is using earth ground as a conductive media for the touch signal. The system needs low current DC power (5V) in order to power a micro and we've found that connecting that there are potential problems in doing this if the power source is...
  3. sturriff

    Freewheeling Diode Sizing

    I'm posting this on behalf of a colleague. We're working on a high frequency (20kHz) PWM application and are looking at connecting a free wheeling diode to the circuit. We need some guidance on how to calculate the average forward current and maximum current that this diode might see. Also...
  4. sturriff

    Appropriate Magnetic Sensor Application / Selection

    This has been very helpful. After reading your postings it seems obvious that I probably should have been looking to an existing off the shelf solution. I'll pursue these leads for now. Thanks again all!!
  5. sturriff

    Appropriate Magnetic Sensor Application / Selection

    I'm not sure if this is the right forum for this question however, let me give it a shot. We are investigating the use of a magnetic sensor in conjuction with a paddle wheel to measure fluid flow (gas or liquid). I'm wondering if anyone has any experience with such a design specifically with...

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