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  1. xoy

    AudioGURU and others... help me!!!!

    Hi audioguru!! I am really interasted to pursue a career in designing end developing circuits. As an ECE graduate, I have basic knowledges regarding electronics and the components. My problem that I want consult you is my problem in designing and developing circuits, like for example, timers...
  2. xoy

    9v to 6v DC/DC Converter

    hi!!!! can anyone help me please how can i convert a 9v from battery to 6 volts supply.... please post a circuit.. thanks.....
  3. xoy

    digital elec-stetho..

    hi audioguru!! tnx.... 1.) you have told me before (page 13, reply #170 and #172) to add another Ub1 stage to detect only the exact heartbeat pulses... so maybe the problem about the numerous pulses is out... 2)  i have here again the circuit... i add the schmitt trigger that turns the analog...
  4. xoy

    sphygmomanomater.

    anyone please!!!!!! schematic diagram of any digital or electronic
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