Eoulu

The best probe station, made in China!

RF Probe

● The Sky Series RF probe is an essential tool for wafer-level testing of RF and microwave devices

● Extremely low contact resistance and superior impedance control

● It can maintain signal integrity and stability during wide temperature range testing, and the data repeatability is extremely high

● Sky Series radio frequency probes are delivered quickly and repaired in China, with no need to wait

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Feature

Architecture

Parameter

Datasheet

Special tip design technology and ultra-long service life,

suitable for mass production testing

Pad unevenness compatibility up to 25 μm,

suitable for testing uneven interfaces

Very low contact resistance and insertion loss

Meet the wide temperature range test of -60℃~200℃

Fixed hole position

Probe body

Probe tip

Cable interface

40 GHz Single-Signal RF Probes

Electrical Specifications					Dimensions — Typical *******
1	Frequency Range	DC ~ 40 GHz			.
2	Insertion Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 0.39 dB	- 0.50 dB	- 0.60 dB
3	Return Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 17.00 dB	- 20.50 dB	- 28.15 dB
4	Characteristic Impedance	50 Ω
5	Contact Resistance ***	＜10 mΩ
6	Maximum DC Current	5 A			Dimensions — Mini *******
7	Maximum DC Voltage	200 V
8	Maximum RF Power ****	Standard	High-power
		＞4 W @ 40 GHz	＞7 W @ 40 GHz

Mechanical Specifications
1	Tip Configuration	GSG,GS,SG
2	Probe Pitch *****	50 μm ~ 1250 μm（25 μm step）			Dimensions — Slim *******
3	Connector	2.92 mm（female）
4	Probe Tip Material	Nickel Alloy, Copper Alloy
5	Typical Lifetime ******	＞1,000,000
6	Maximum Temperature	200°C
7	Minimum Pad Size	Standard	Reduced Contact
		70 × 70 μm	30 × 30 μm
8	Recommended Cable	C40 Series Cables

50 GHz Single-Signal RF Probes

Electrical Specifications					Dimensions — Typical *******
1	Frequency Range	DC ~ 50 GHz
2	Insertion Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 0.48 dB	- 0.70 dB	- 0.90 dB
3	Return Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 10.70 dB	- 15.00 dB	- 20.60 dB
4	Characteristic Impedance	50 Ω
5	Contact Resistance ***	＜10 mΩ
6	Maximum DC Current	5 A			Dimensions — Mini *******
7	Maximum DC Voltage	200 V
8	Maximum RF Power ****	Standard	High-power
		＞3.5 W @ 50 GHz	＞6.5 W @ 50 GHz

Mechanical Specifications
1	Tip Configuration	GSG,GS,SG
2	Probe Pitch *****	50 μm ~ 1250 μm（25 μm step）			Dimensions — Slim *******
3	Connector	1.85 mm（female）
4	Probe Tip Material	Nickel Alloy, Copper Alloy
5	Typical Lifetime ******	＞1,000,000
6	Maximum Temperature	200°C
7	Minimum Pad Size	Standard	Reduced Contact
		70 × 70 μm	30 × 30 μm
8	Recommended Cable	C50 Series Cables

67 GHz Single-Signal RF Probes

Electrical Specifications					Dimensions — Typical *******
1	Frequency Range	DC ~ 67 GHz			.
2	Insertion Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 0.48 dB	- 0.70 dB	- 0.90 dB
3	Return Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 10.00 dB	- 15.00 dB	- 20.60 dB
4	Characteristic Impedance	50 Ω
5	Contact Resistance ***	＜10 mΩ
6	Maximum DC Current	5 A			Dimensions — Mini *******
7	Maximum DC Voltage	200 V
8	Maximum RF Power ****	Standard	High-power
		＞3 W @ 67 GHz	＞6 W @ 67 GHz

Mechanical Specifications
1	Tip Configuration	GSG,GS,SG
2	Probe Pitch *****	50 μm ~ 1250 μm（25 μm step）			Dimensions — Slim *******
3	Connector	1.85 mm（female）
4	Probe Tip Material	Nickel Alloy, Copper Alloy
5	Typical Lifetime ******	＞1,000,000
6	Maximum Temperature	200°C
7	Minimum Pad Size	Standard	Reduced Contact
		70 × 70 μm	30 × 30 μm
8	Recommended Cable	C67 Series Cables

110 GHz Single-Signal RF Probes

Electrical Specifications					Dimensions — Typical *******
1	Frequency Range	DC ~ 110 GHz			.
2	Insertion Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 0.96 dB	- 1.30 dB	- 2.00 dB
3	Return Loss ** （GSG,150 μm Pitch,Standard）	Max	Typical	Min
		- 8.00 dB	- 11.00 dB	- 19.20 dB
4	Characteristic Impedance	50 Ω
5	Contact Resistance ***	＜10 mΩ
6	Maximum DC Current	5 A			Dimensions — Mini *******
7	Maximum DC Voltage	200 V

Mechanical Specifications
1	Tip Configuration	GSG
2	Probe Pitch *****	50 μm ~ 150 μm（25 μm step）
3	Connector	1.0 mm（female）			Dimensions — Slim *******
4	Probe Tip Material	Nickel Alloy, Copper Alloy
5	Typical Lifetime ******	＞1,000,000
6	Maximum Temperature	200°C
7	Minimum Pad Size	Standard	Reduced Contact
		70 × 70 μm	30 × 30 μm
8	Recommended Cable	C110 Series Cables

** The test data and specifications depend on individual process conditions, the data may be different for different probe parameters.

Not all specifications are valid at the same time

** The recommended standard probe pitch is 75 μm ~ 250 μm

** When purchasing and using our RF probe and Calibration Substrate for the first time, it is recommended to purchase on-site installation

and calibration training services

** For any problems about hardware construction, cable connection, instrument setting, equipment operations, system calibration, test process

and data analysis during the test, visit "Service" at the Eoulu official website, and purchase onsite accompaniment services for hardware and

software testing, or purchase the Eoulu future series software to simplify test operations and obtain test results easily and quickly

*** Rc on Au

**** Power test environment (Watts CW @ 20°C)

**** The high-power RF probes are customized products, please contact Eoulu for details

***** The typical probe pitch 50 μm ~ 1250 μm only applies to 40 GHz / 50 GHz / 67 GHz probes, and the typical probe pitch of 110 GHz

and above is 50 μm ~ 150 μm

***** 3000 μm (wide pitch) RF probes need to be customized

****** Typical lifetime on Al pads, room temperature

****** The typical lifetime test of RF probe has been verified in the Eoulu laboratory. For details, please refer to the RF probe lifetime

verification video in Eoulu’s official website and the Eoulu RF Probe Lifeti me Verification Report

******* Probe dimensions are in mm

Product parameters are subject to change without prior notice.All product images are subject to the actual products,and Suzhou Eoulu

System Integration Co., Ltd. reserves the interpretation right for the content.

Eoulu_Sky Series-RF Probes_V3.5.0_20240910.pdf

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