1. MrsssSu

    High Voltage PMOS recommendation

    Hi readers, is there a P-channel Mosfet with Vds of -400V but has very low Rds(On) because I want an efficient mosfet ? I a planning to power a 400V device and its negative terminal must be connected to ground (That's the reason why i use PMOS and not NMOS). I find a lot of NMOS that can...
  2. Alexandre Becker

    Ultrasonic sensor to measure water depth

    Hi, I'm developing an ultrasonic sensor to measure the depth of the sludge in large tanks. But for now i'm trying to measure water depth. My transducer is the TD40200D, it's recommended 1000vpp supply but it should works fine with 300vpp for my needs. I have no ideia how to start it, does anyone...
  3. Emad2017

    How Can I submit a novel patentable design idea to a company?

    Hi there, Recently, I have designed a new charge amplifier than can be used to implement a precision and low-cost interface for piezoelectric sensors. I have published an article about the novel proposed circuit in IEEE Sensors Journal. ( A brief information about the new proposed circuit has...
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