A GGB Industries Picoprobe CS-3-100 DIFFERENTIAL calibration substrate, also known as impedance standard substrate, for rf probes of GSSG footprints. New in original wafer box with a plastic spider spring to keep the substrate from rattling around in the box.  Inspected under microscope and did not see any marks of probe contacting from previous use, and no scratches. Brand new.

For GSSG type probes of 100 um (85 to 115 um) pitch to do SOLT (short-open-load-through) and LRM (line-reflect-match) calibrations. Frequency range up to 110 GHz. Detailed specs of the model of cal substrate can be found in manufacturer’s website.

Calibration
Substrate     Pad Size (microns)     Calibration Types Supported       Footprint      Recommended Pitch      Acceptable Pitch
CS-3-100             50 X 50                          SOLT, LRM                      GSSG              100                              85 - 115

I also have contact substrate, impedance standard substrate of other pitches and GSG footprints, GSG, SG and GS probes from Cascade and Picoprobe listed on the eBay. Please check them out.

Covered by standard eBay 14-day return policy.