A ZY36 zener and 180R between input and the top of C1 fixed it.
The circuit has a voltage reference but is not a regulator (no feedback from the output). Therefore it has only about 55dB ripple attenuation. The inductor is part of the bench supply's ripple filter.
Do you have a suggestion for an affordable bench supply without inductors? Minimum voltage 500VDC @ minimum 70mA.
Thanks!
The circuit has a voltage reference but is not a regulator (no feedback from the output). Therefore it has only about 55dB ripple attenuation. The inductor is part of the bench supply's ripple filter.
Do you have a suggestion for an affordable bench supply without inductors? Minimum voltage 500VDC @ minimum 70mA.
Thanks!
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