A HP 4156A precision semiconductor parameter analyzer accompanied with a probe station (Cascade Microtech REL-3200) provides current-voltage (I-V) characteristics of various devices such as Schottky diodes, LEDs, HEMTs, etc. The measurable current level is between 10-12 ~ 10-1 A and the maximum applied voltage is 40 V. 4-points measurement techniques are available.
A HP 4280 1 MHz C-meter with the probe station provides capacitance-voltage (C-V) characteristics of various Schottky junctions such as p-n junctions, metal/semiconductor(MS) contacts and metal/oxide/semiconductor(MOS) structures