GB/T 46583-2025Test methods for dielectric properties of microwave dielectric ceramics - Open cavity method and closed cavity method (English PDF)
微波介质陶瓷介电性能测试方法 开腔法、闭腔法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 46583-2025 is the English-translated version of 微波介质陶瓷介电性能测试方法 开腔法、闭腔法.
GB/T 46583-2025 is the Chinese standard "Test methods for dielectric properties of microwave dielectric ceramics - Open cavity method and closed cavity method".
Its scope clause reads: This document describes the testing principles, testing conditions, and instrumentation of microwave dielectric ceramic dielectric property testing methods (open cavity method and closed cavity method).
Preparation, test samples, test procedures, test reports, calculation process, and measurement uncertainty. This document applies to uniform cylindrical microwave dielectric ceramics.
In the open-cavity method, the test frequency range is 2 GHz to 24 GHz, relative to the dielectric... The test range for electrical constant is 3~300, the test range for loss tangent is 10^-^4~6×10^-³, and the test range for temperature coefficient of resonant frequency is...
The temperature range is -1500×10^-^6/°C to 1500×10^-^6/°C. In the closed-cavity method, the test frequency range is 1 GHz to 32 GHz, and the relative permittivity is...
The test range is 3~300°, and the test range for the loss tangent is 2×10^-^5~10^-². This document also applies to other low-loss, non-magnetic materials. Testing of microwave dielectric properties of solid dielectrics. Its clauses include terms and definitions.
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Document preview — GB/T 46583-2025
National Standard of the People's Republic of China
- ICS
- 81.060.30
- Classification
- Q 30
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1.Scope1
- 2 Normative references1
- 3.Terms and Definitions1
- 4.Testing Principles2
- 5.Test conditions4
- 6.Instruments and Equipment5
- 7 Test samples5
- 8.Test Steps6
- 9.Measurement uncertainty7
- 10 Test Reports7
- Appendix A (Informative) Calculation Process of the Opening Method9
- Appendix B (Informative) Calculation Process of the Closed-Cavity Method12
- Appendix C (Informative) Test Examples15
- References16
1 Scope
This document describes the testing principles, testing conditions, and instrumentation of microwave dielectric ceramic dielectric property testing methods (open cavity method and closed cavity method).
Preparation, test samples, test procedures, test reports, calculation process, and measurement uncertainty.
This document applies to uniform cylindrical microwave dielectric ceramics. In the open-cavity method, the test frequency range is 2 GHz to 24 GHz, relative to the dielectric...
The test range for electrical constant is 3~300, the test range for loss tangent is 10^-^4~6×10^-³, and the test range for temperature coefficient of resonant frequency is...
The temperature range is -1500×10^-^6/°C to 1500×10^-^6/°C. In the closed-cavity method, the test frequency range is 1 GHz to 32 GHz, and the relative permittivity is...
The test range is 3~300°, and the test range for the loss tangent is 2×10^-^5~10^-². This document also applies to other low-loss, non-magnetic materials.
Testing of microwave dielectric properties of solid dielectrics.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 1216-2018 Outside Micrometer
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 Microwave dielectric ceramics
Used in various microwave devices, it achieves various device functions through the interaction between the ceramic bulk and microwaves, such as filtering, wave guiding, and microwave inversion.
Ceramic dielectric materials for transmitting and receiving signals.
Note 1.Microwave dielectric ceramics are generally composite oxides, such as titanates, niobates, and tantalates. Generally, microwave dielectric ceramics are required to have suitable properties in the microwave frequency band.
It has a relatively high permittivity, low loss tangent (or high Qf value) and small temperature coefficient of resonant frequency.
Note 2.Microwave dielectric ceramics are key materials for mobile communications, satellite communications, etc.
[Source. GB/T 17991-2009, 2.1.28, with modifications]
3.2 Dielectric properties
The comprehensive dielectric properties of a material measured using AC voltage within a given frequency range.
[Source. GB/T 31838.1-2015, 3.3, with modifications]
3.3 absolute permittivity
Potential removal is achieved by electric field strength.
Note. The unit is F/m.
GB/T 47395 | GB/T 44752 | GB/T 39749 | GB/T 46584 | GB/T 46580 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.
Referenced standards
Normative references
Editions of GB/T 46583
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 46583-2025 | Test methods for dielectric properties of microwave dielectric ceramics - Open cavity method and closed cavity method | current edition | Current |
This page sells the current edition, GB/T 46583-2025. Earlier editions are listed for reference only.
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