Magazine:
Model Railroad Hobbyist 2019-06
Page:
26
Co-author:
Marcus Ammann
Category:
DCC
The authors show how to built your own stay-alive circuit using a 4700uF electrolytic capacitor plus a diode and a resistor, which provide about 1 to 1.75 seconds of power to the typical sound-equipped DCC decoders. Also covered are the super-capacitors.