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  • Users: GoKid
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  1. GoKid

    infrared conducting epoxy

    Does anyone know where to obtain transparent infrared conducting epoxy/substrates to "paint" on materials?
  2. GoKid

    materials

    Is anyone familiar with how to produce virtually transparent laticework of infrared conducting material on a 14" by 14" glass sheet for example? Are there clear infrared epoxies available?
  3. GoKid

    LT1264 and charge pump IC as supply

    I was using a transformer based -5 supply to the LT1264 Bandpass filter without a problem until I tried using Microchip TC962 negative charge pump for the same negative supply instead of the transformer. The TC962 has 80ma output LT1264=23ma, max. Any conceptual blunders in trying this approach?
  4. GoKid

    ultrasonic transmitter cable

    Hi folks, I want to send 150v 0.4amp to a remote ultrasonic transducer that has 200 ohm impedance. The NPN driving ciruitry will be about 3-4' from the transducer housing. Digital circuitry will be nearby. What specific brand name/type cable would one recommend - it may bump or rub up against...
  5. GoKid

    seperating sensor from circuitry

    Hi folks, I want to drive ultrasonic transducers at 40KHz 3-4 feet away from the transducer drive circuitry itself- is this possible with twisted pair wires? Like-wise I would like to seperate the transducer receivers from their reciver circuitry by about 3 feet and keep the several receiver...
  6. GoKid

    can turn on 1 FET but not another

    I have two FETs I am trying to turn on - IR620 and IR 3215, both N-channel FETs. VDD = 9v, gate signal is 40KHz +5V. The International Rectifier IR3415 N-channel was turned on with a TC428 FET driver no problem outputting a nice sqaure wave. It was also turned on with 6 parallel 74A0C...
  7. GoKid

    EMCO HV converter not being switched

    HI folks, Because of space requirements I changed out an existing PSU supplying an FET push-pull driver for a transducer to a Q-Series EMCO HV DC converter (Q05-5). The component is operating correctly but the push-pull network doesn't seem to be switching. My push-pull netowrk uses Int'l Rect...

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