Recent content by gEcky

  1. gEcky

    Rocker Switch Query

    Hi! Thanks for the prompt reply! Does that mean that the blown switch should be a one time thing? The transformer i used is a center-tapped +/- 24V at 1A. The dilemma is that if I put the LED jus after the rectifier, a large resistor with high power rating may be required to protect theLED (I...
  2. gEcky

    Rocker Switch Query

    Thanks! there is no short between the 2 coils..... i think i'm not suppose to use the 2 pairs of lugs the way i did... Means i can only connect the "live" or "neutral" and not use both to open/close the circuit. Another thing, at which point will it be good to place a LED to indicate power on?
  3. gEcky

    Rocker Switch Query

    Hi I'm constructing a PSU, stepping down 230Vac to 24Vac via a transformer. The power to the transformer is connected via a rocker switch rated at 230V-16Amp. It's a DPDT i suppose since it has 4 lugs and forms 2 isolated pairs. So I connected the AC "live" and "neutral" on each side of the...
  4. gEcky

    varible voltage, current limiting, power supply

    Hi I was thinking of building the "laboratory power supply" based on the schematic given in LM317 datasheets. However, I'd like to know what the 2 MOS transistors does. Voltage reference? Thank you in advance!
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