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Made by a high school robotics team in MN

Good news for Keithley 2000 / 2015 / 2016 / 2010 DMM owners with dim displays.
This is a drop-in LED display conversion kit that replaces the original dim VFD.

So this is my power supply i have built. A dual rail ±37V 1-1.5A Linear power supply using lm317 and lm337 so far untill it have built a series pass voltage and current regulator for it just to get it started. Also going to add 0.33 ohm resistor between the 15000uF and 10000uF capacitors. My noise levels are low i think as can be seen in picture 1. I have a soft starter, emi filter on the AC side before transformer, filterd rectifier using small rc filters on each diode, 20d20 ntc, 15000uF, 10000uF. 5630uF +, capacitance multiplier, emi dc filter, another dc filter. Regulator, out.