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FormFactor Impedance Standard Substrates

FormFactor Impedance Standard Substrates

For ACP, Infinity, and FPC Probes

 

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Description

Impedance Standard Substrates Overview

FormFactor 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. Our ISSs offer the proven accuracy of LRRM calibrations with automatic load inductance compensation.

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GSG
Pitch (µm) P/N Frequency (GHz)1 Note
50 to 75 162-641 325 GHz* Verification Lines [0.5, 1, 1.1, 1.4, 1.9, 2.3, 2.7, 3, 3.2, 3.8, 4.5,7,14,27,40] ps
50 to 75 138-356 325 GHz*
50 to 150 104-909 67 GHz Mix of GSG & GS/SG
75 to 150 104-783 145 GHz*
100 to 150 114-456 67 GHz For probes with contact widths < 30 um
100 to 150 138-357 325 GHz*
100 to 250 143-033 145 GHz*
100 to 250 101-190 67 GHz
100 to 500 109-531 67 GHz Right Angle standards; N-E, N-W, E-W
250 to 1250 106-682 67 GHz
150 to 3000 108-010 67 GHz Recommended > 1250 um pitch
1 Recommended upper frequency
* Supports Probe for full range coaxial ranges up to 145 GHz and banded Waveguides to 145 GHz or 325 GHz
GS/SG
Pitch (µm) P/N Frequency (GHz)1 Note
50 to 150 104-909 67 GHz Mix of GSG & GS/SG
100 to 250 103-726 67 GHz
250 to 1250 106-683 67 GHz
150 to 3000 108-011 67 GHz Recommended > 1250 um pitch
1 Recommended upper frequency
GSGSG / THRU
Pitch (µm) P/N Frequency (GHz)1 Note
100 to 125 129-239 67 GHz Also supports SGS, SGSG, GSGS configurations
150 126-102 67 GHz Also supports SGS, SGSG, GSGS configurations
150 to 225 129-240 67 GHz Also supports SGS, SGSG, GSGS configurations
250 129-241 67 GHz Also supports SGS, SGSG, GSGS configurations
300 to 650 129-248 67 GHz General Purpose THRU substrate (Straight, Loop Back, Cross)
700 to 1250 129-249 67 GHz General Purpose THRU substrate (Straight, Loop Back, Cross)
1 Recommended upper frequency
GSSG / THRU
Pitch (µm) P/N Frequency (GHz)1 Note
100 to 150 129-246 67 GHz Also supports SSG, GSS configurations
175 to 250 129-247 67 GHz Also supports SSG, GSS configurations
300 to 950 129-248 67 GHz General Purpose THRU substrate (Straight, Loop Back, Cross)
1000 to 1250 129-249 67 GHz General Purpose THRU substrate (Straight, Loop Back, Cross)
1 Recommended upper frequency

Wide Pitch: (> 250 um) differential / multiport calibration, additionally use the wide pitch, single-ended ISS (106-682 or 106-683)

Narrow Pitch: For dual probe with pitches <100um, please use the matching singled-ended (GSG or GS / SG) ISS

Multiple Config
Pitch (µm) P/N Frequency (GHz)1 Note
Variable 005-016 Variable General Purpose
80 to 3000 106-686 67 GHz General Purpose Membrane
1 Recommended upper frequency

 

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