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The range of calibration substrates from GGB Picoprobe allow accurate, easy to use calibration substrates, calibration coefficients, and detailed instructions allow you to correct the measurement system (network analyser + cabling + probe) whenever it produces a reading different than the standard.

The typical elements for calibrating a microwave measurement system consists of opens, shorts, matched loads and throughs. These four elements have electrical characteristics that are very different from one another so that each element contributes an important part to the overall calibration process. In principle any set of standards could be employed, however, the more identical the standards are, the less accurate the calibration process becomes, which in turn results in inaccurate the on-wafer testing. Our precision crafted calibration substrates, when properly used, assure you of accurate on-wafer test results.

How to select the correct calibration substrate for your probing application(s):

Identify your Picoprobe's footprint and pitch (tip spacing);
Determine which calibration type is appropriate for your application (SOLT, LRL/TRL, or LRM/TRM)*;
Using the Calibration Substrate Selection Guide, choose the calibration substrate which matches your Picoprobe's footprint, recommended pitch range, and your preferred calibration type.

Description
CS-5 GSG Calibration Substrate
CS-8 GSG Calibration Substrate
CS-9 GSG Calibration Substrate
CS-10 GSG Calibration Substrate
CS-15 GSG Calibration Substrate
CS-8 GS-SG Calibration Substrate
CS-11 GS-SG Calibration Substrate
CS-14 GS-SG Calibration Substrate
CS-17 GS-SG Calibration Substrate
CS-15 100GHz Calibration Substrate

Calibration Substrate Selection Guide
Calibration Substrate	Pad Size (microns)	Calibration Types Supported	Footprint	Pitch Range Recommended (microns)	Pitch Range Acceptable (microns)
CS-5	50 X 50	SOLT, LRL, LRM	GSG	75 - 250	75 -250
CS-9	100 X 100	SOLT, LRL, LRM	GSG	250 - 600	150 - 600
CS-10	150 X 150	SOLT, LRM	GSG	600 - 1250	225 - 1250
CS-18	300 X 300	SOLT, LRM	GSG	1250 - 2540	500 - 2540
FIGURE 2

CS-8	50 X 50 100 X 100 150 X 150	SOLT, LRM	GS, SG	50 - 200	50 -300
CS-14	100 X 100	SOLT, LRM	GS, SG	200 - 400	150 - 600
CS-11	150 X 150	SOLT, LRM	GS, SG	400 - 1250	175 - 1250
CS-17	300 X 300	SOLT, LRM	GS, SG	750 - 2540	450 - 2540
FIGURE 3

Special Calibration Substrate Designed For Use Above 110 GHz
Calibration Substrate	Pad Size (microns)	Calibration Types Supported	Footprint	Pitch Range Recommended (microns)	Pitch Range Acceptable (microns)
CS-15	25 X 25	SOLT, LRL, LRM	GSG	40 - 150 (SOLT) 30 - 150 (LRL)	40 - 150
FIGURE 4

* SOLT = Short-Open-Load-Through

LRL = Line-Reflect-Line (Which is equivalent to TRL = Through-Reflect-Line)
LRM = Line-Reflect-Match (Which is equivalent to TRM = Through-Reflect-Match)

Differential Calibration Substrate Selection Guide GSGSG
Calibration Substrate	Pad Size (microns)	Calibration Types Supported	Footprint	Recommended Pitch (microns)	Acceptable Pitch (microns)
CS-2-50	25 X 25	SOLT, LRL LRM	GSGSG	50	45-55
CS-2-75	25 X 25	SOLT, LRL LRM	GSGSG	75	70-80
CS-2-100	50 X 50	SOLT, LRL LRM	GSGSG	100	90 - 110
CS-2-125	50 X 50	SOLT, LRL LRM	GSGSG	125	115 - 135
CS-2-150	50 X 50	SOLT, LRL LRM	GSGSG	150	140 -160
CS-2-200	50 X 50	SOLT, LRL LRM	GSGSG	200	190 - 210
CS-2-225	50 X 50	SOLT, LRL LRM	GSGSG	225	215 - 235
CS-2-250	50 X 50	SOLT, LRL LRM	GSGSG	250	240 -260
CS-2-300	100 X 100	SOLT, LRL LRM	GSGSG	300	275 - 325
CS-2-350	100 X 100	SOLT, LRL LRM	GSGSG	350	325 - 375
CS-2-400	100 X 100	SOLT, LRL LRM	GSGSG	400	375 - 425
CS-2-450	100 X 100	SOLT, LRL LRM	GSGSG	450	425 - 475
CS-2-500	100 X 100	SOLT, LRL LRM	GSGSG	500	490 - 510
CS-2-750	150 X 150	SOLT, LRL LRM	GSGSG	750	700 - 800
CS-2-1000	150 X 150	SOLT, LRL LRM	GSGSG	1000	990 - 1010
CS-2-1250	150 X 150	SOLT, LRL LRM	GSGSG	1250	1225 - 1275
FIGURE 5

GSSG
Calibration Substrate	Pad Size (microns)	Calibration Types Supported	Footprint	Recommended Pitch (microns)	Acceptable Pitch (microns)
CS-3-50	25 X 25	SOLT, LRM	GSSG	50	45-60
CS-3-75	25 X 25	SOLT, LRM	GSSG	75	65-85
CS-3-100	50 X 50	SOLT, LRM	GSSG	100	85 - 115
CS-3-125	50 X 50	SOLT, LRM	GSSG	125	110 - 140
CS-3-150	50 X 50	SOLT, LRM	GSSG	150	135 -165
CS-3-175	50 X 50	SOLT, LRM	GSSG	175	160 - 190
CS-3-200	50 X 50	SOLT, LRM	GSSG	200	185 - 215
CS-3-250	100X 100	SOLT, LRM	GSSG	250	200 - 300
CS-3-350	100 X 100	SOLT, LRM	GSSG	350	300 - 400
CS-3-450	100 X 100	SOLT, LRM	GSSG	450	400 - 500
CS-3-500	150 X 150	SOLT, LRM	GSSG	500	425 - 525
CS-3-600	100 X 100	SOLT, LRM	GSSG	600	550 - 625
CS-3-800	300 X 300	SOLT, LRM	GSSG	800	600 - 1000
CS-3-1000	300 X 300	SOLT, LRM	GSSG	1000	800 - 1075
CS-3-1250	300 X 300	SOLT, LRM	GSSG	1250	1050 - 1325
FIGURE 6

SGS
Calibration Substrate	Pad Size (microns)	Calibration Types Supported	Footprint	Recommended Pitch (microns)	Acceptable Pitch (microns)
CS-4-100	50 X 50	SOLT, LRM	SGS	150	90 - 110
CS-4-150	50 X 50	SOLT, LRM	SGS	150	140 - 160
CS-4-250	100 X 100	SOLT, LRM	SGS	250	225 - 275
CS-4-300	100 X 100	SOLT, LRM	SGS	300	275 - 325
CS-4-350	100 X 100	SOLT, LRM	SGS	350	325 - 375

GGB Calibration Substrate Datasheet.pdf

GGB CS-5 Calibration Substrate Instructions.pdf

GGB CS-8 Calibration Substrate Instructions.pdf

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