Wide Frequency Range, Cost-Effective Solution
These sample holder fixtures provide a broadband solution for permittivity, permeability, transmission, reflection, and absorption measurements from 0.5 to 40 GHz. With a relatively modest investment, both permittivity and permeability can be measured over a wide frequency range, and even comparatively small samples can be evaluated.
Combined with Keysight Materials Measurement Suite N1500A, the fixtures support efficient and reliable material measurements for research, development, and quality control.
Coaxial Sample Holder
- Covers 0.5 to 18 GHz with a single fixture
- Powder measurements are also supported as an option
The coaxial sample holder requires careful handling of high-frequency cables and connectors. It is recommended for users who are familiar with high-frequency measurement setups. Calibration must be performed separately using a Keysight calibration kit.
Waveguide Sample Holder
- The holder and SHORT plate can be fixed with a single lever
- Enables efficient measurements with high repeatability
The waveguide sample holder includes SHORT and LINE standards for TRL calibration.
Measurement Technology
The coaxial and waveguide sample holders use the S-parameter method. By measuring transmission and reflection characteristics with a vector network analyzer, the material properties of the sample can be evaluated across a broad frequency range.
Measurement Examples
Coaxial Sample Holder Measurement Repeatability (0.5 - 18 GHz, PTFE)
Measurement Results Calibration was performed before each measurement, and the PTFE sample was measured five times. Key Point! Excellent repeatability, with variation below 2%!
Waveguide Sample Holder Measurement Repeatability (X/R-band, PP)
Measurement results from repeated calibration and measurement. Key Point! Excellent repeatability with variation below 1%.
Products
Coaxial Sample Holder
| Product No. | Product Name | Frequency Range [GHz] | Holder Outer Conductor Inner Dia. [mm] | Holder Center Conductor Outer Dia. [mm] | Holder Length [mm] |
|---|---|---|---|---|---|
| CSF-APC7 | 7 mm Coaxial Sample Holder Set (0.5 - 18 GHz) | 0.5 - 18 | 7.00 | 3.04 | 10, 40 |
The connection connector is 3.5 mm (f).
Waveguide Sample Holder
| Product No. | Product Name | Frequency Range [GHz] | Waveguide Standard | Holder Inner Dimensions (W x H [mm]) | Holder Length [mm] |
|---|---|---|---|---|---|
| WSF-X | X-band Waveguide Sample Holder Fixture (8.2 - 12.4 GHz) | 8.2 - 12.4 | WR90 | 22.86 x 10.16 | 10 |
| WSF-P | P-band Waveguide Sample Holder Fixture (12.4 - 18 GHz) | 12.4 - 18 | WR62 | 15.80 x 7.90 | 7.5 |
| WSF-K | K-band Waveguide Sample Holder Fixture (18 - 26.5 GHz) | 18 - 26.5 | WR42 | 10.67 x 4.32 | 5 |
| WSF-R | R-band Waveguide Sample Holder Fixture (26.5 - 40 GHz) | 26.5 - 40 | WR28 | 7.11 x 3.56 | 3 |
All connection connectors are 2.92 mm (f).
Applicable standards
- Coaxial Sample Holder: IEC 60457
- Waveguide Sample Holder: ASTM D5568-11a
Sample Shape
Coaxial Sample Holder
Please prepare a donut-shaped sample that fits within the holder size. If the outer diameter of the sample exceeds 7.00 mm, it will not fit in the fixture. Likewise, if the inner diameter is less than 3.04 mm, it will not fit in the fixture.
Waveguide Sample Holder
Please prepare a rectangular sample that fits within the holder size: the holder inner dimensions and holder length.
Example System Configuration
- Keysight Streamline Series USB Vector Network Analyzer P5007B (44 GHz)
- Keysight Materials Measurement Suite N1500A
- Waveguide Sample Holder Fixture WSF-R (26.5 - 40 GHz)
- 2.92 mm connection cables
- Windows PC