1 nanoamp Current Source with No Resistors Using Self Cascode MOSFET

Note the 500M Ohm resistor is only to test the current reference.  It would be replaced by your application circuit. Research Links A 2-nW 1.1-V Self-Biased Current Reference in CMOS Technology CMOS Current Reference for UltraLow Energy Consumption  Archive:  Current-Source.7z     Program = LTSPICE Extract into directory.  Includes the required Read more…