BS 7737-2:1995 Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Resonance methods
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz
Part 2. Resonance methods
Committees responsible
National foreword
1 Object and scope
2 Introduction
3 Test apparatus
4 Test specimen
5 Testing procedure
6 Evaluation of measured data
7 Test report
Appendix
A Resonators
Figures
1 Resonance test assembly - Principal circuit diagram
2 Re-entrant cavity resonator (schematically)
3 Coaxial cavity resonator
4 Mode-chart (f0 ·d0) = f(K) of the first four resonances of the lowest 10 modes for a cylindrical cavity
5a TE01-cavity resonator
5b TM010 cavity resonator
6 Instantaneous field configuration and cut-off wavelength of some low-order modes of a cylindrical cavity
7 Mode-shape factors Q δ/λ of various Elmn- and Hlmn- modes
in cylindrical cavity resonators versus d0/l-δ, penetration depth due to skin effect
8 Open cavity resonator
9 Semiconfocal resonator
BS 7737-2:1995 history
1995BS 7737-2:1995 Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Resonance methods