APPARATUS FOR SCREENING DOUBLE-ANODE STABILITRONS Russian patent published in 2012 - IPC G01R31/26 

FIELD: physics.

SUBSTANCE: apparatus has an AND element 1, a dual-threshold comparator 2, a first reference voltage source 3, a bipolar sawtooth current generator 4, the double-anode stabilitron under test 5, a second reference voltage source 6, a first unit for selecting the absolute voltage value 7, a comparator 8, a third reference voltage source 9, a ripple filter 10, a second unit for selecting the absolute voltage value 11 and a differentiator 12.

EFFECT: high accuracy and reliability of screening.

4 dwg