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Recent content by JacquesBBB

  1. J

    [SOLVED] Help needed for repairing the tracking in a bench dual power supply (0-30v, 0-3A)

    SOLVED ! https://www.eevblog.com/forum/repair/tracking-problem-in-a-dual-bench-power-supply/
  2. J

    [SOLVED] Help needed for repairing the tracking in a bench dual power supply (0-30v, 0-3A)

    Dear all, I get hold on a 30 V 3A dual bench power supply Selectronic SL-1731SB, which seems to be the same as the Velleman PS23023, and may some other ones. Both canals are OK, but when I coupled them in series, the coupling is totally wrong example Tracking not activated : A : 5.4 V B...

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