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  1. paul .a larner

    is this schematic pukka?

    I just wondered if the max voltage out will be low because of the 10v zenner next to q3?.
  2. paul .a larner

    hyland 0-30v psu output osillates

    ive built this psu as per the schematic,the issues i have are,the output is 30v  with the voltage pot fully ccw,if i turn the current piot almost fully ccw the output drops to 0 with the led on,if i turn the current slightly cw it oscillates from 0v to 30v about every 3 seconds,the led flashes...
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