Impedance Standard Substrates

Cascade Microtech's family of Impedance Standard Substrates (ISSs) supports all of your high-frequency probing applications. Using them ensures greater accuracy and better repeatability in on-wafer calibration of vector network analyzers. Only Cascade Microtech offers the proven accuracy of LRRM calibrations with automatic load inductance compensation.

Impedance Standard Substrates (ISSs)
005-016 General purpose validation up to 67 GHz Cal sites vary	101-190 Up to 67 GHz GSG 27 GSG | 100-250µm pitch	103-726 Up to 67 GHz GS 27 GS or SG | 100-250µm pitch
104-783 W-band 27 GSG | 75-150µm pitch	104-909 Narrow pitch up to 67 GHz 13 GSG, 7 GS, 7 SG | 50-150µm pitch	106-682 Wide pitch GSG 8 GSG | 250-1250µm pitch
106-683 Wide pitch GS/SG 8 GS, 8 SG | 250-1250µm pitch	106-686 GP membrane 25 loads | 80-3000µm pitch	108-010 Very wide pitch GSG 4 GSG | 150-3000µm pitch
108-011 Very wide pitch GS/SG 4 GS, 4 SG | 150-3000µm pitch	109-531 Right angle 5 N-E, 5 N-W, 5 E-W | 100-500µm pitch	114-456 ACP-RC 27 GSG | 100-150µm pitch
126-102	129-239	129-240
129-241 Dual/Differential 14 GSGSG, SGS, SGSG, GSGS | 250µm pitch	129-246 Dual/Differential 21 GSSG, SSG, GGS | 100-150µm pitch	129-247 Dual/Differential 21 GSSG, SSG, GGS | 175-250µm pitch
129-248 Dual general purpose wide pitch qty 4 each, Straight, Cross, Loop back thrus | GSGSG (300-650µm pitch) or GSSG (300-950µm pitch)	129-249 Dual general purpose wide pitch qty 4 each, Straight, Cross, Loop back thrus | GSGSG (700-1250µm pitch) or GSSG (1000-1250µm pitch)	138-356 110 GHz and above 20 GSG for 50um or 20 GSG for 75um
138-357 110 GHz and above 12 GSG for 100-125um or 16 GSG for 150um	143-033 W-band 27 GSG | 150-250µm pitch	147-405 1 ps Thrus & Attenuator Pads 150-250µm pitch

Related Web Pages
RF Parameter Extraction for Semiconductor Device Modeling
Flicker Noise Analysis (1/f)
Multi-port/Differential Probing
Signal Integrity / Package Test

Related Files
ISS Series of Impedance Standard Substrates
RF Probe Selection Guide