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ASTM D5568-22a - Standard Test Method for Measuring Relative Complex Permittivity and Relative Magnetic Permeability of Solid Materials at Microwave Frequencies Using Waveguide
September 1, 2022 - ASTM International

1.1 This test method covers a procedure for determining relative complex permittivity (relative dielectric constant and loss) and relative magnetic permeability of isotropic, reciprocal (non-gyromagnetic) solid materials. If the material is nonmagnetic, it is acceptable to use this procedure to...

ASTM B372-22 - Standard Specification for Seamless Copper and Copper-Alloy Rectangular Waveguide Tube
May 1, 2022 - ASTM International

This specification covers seamless copper and copper-alloy rectangular waveguide tube intended for use as transmission lines in electronic equipment. Four types of material are specified having the following nominal compositions: C10200, C10300, C12000, and C22000. The copper and...

ASTM D5568-22 - Standard Test Method for Measuring Relative Complex Permittivity and Relative Magnetic Permeability of Solid Materials at Microwave Frequencies Using Waveguide
March 15, 2022 - ASTM International

1.1 This test method covers a procedure for determining relative complex permittivity (relative dielectric constant and loss) and relative magnetic permeability of isotropic, reciprocal (non-gyromagnetic) solid materials. If the material is nonmagnetic, it is acceptable to use this procedure to...

AIR5271A - A Guideline for Application of High-Density Fiber Optic Interconnects to Aerospace Platforms
July 8, 2022 - SAE International

This SAE Aerospace Information Report (AIR5271) covers the basic attributes of a second-generation robust, reliable high-density fiber optic interconnect system for aerospace applications. The intent is to take advantage of recent commercial developments in materials, components and manufacturing...

ASTM D7449/D7449M-22a - Standard Test Method for Measuring Relative Complex Permittivity and Relative Magnetic Permeability of Solid Materials at Microwave Frequencies Using Coaxial Air Line
September 1, 2022 - ASTM International

1.1 This test method covers a procedure for determining relative complex permittivity (relative dielectric constant and loss) and relative magnetic permeability of isotropic, reciprocal (non-gyromagnetic) solid materials. If the material is nonmagnetic, it is acceptable to use this procedure to...

MIL-DTL-3954 - DUMMY LOADS, ELECTRICAL, WAVEGUIDE
November 24, 2020 - NPFC

Scope. This specification covers the general requirements for waveguide electrical dummy loads for use in terminating radio frequency transmission lines (see 6.1).

ASTM E1653-94(2021) - Standard Guide for Specifying Dynamic Characteristics of Optical Radiation Transmitting Fiber Waveguides
September 1, 2021 - ASTM International

4.1 Many characteristics of a fiber-optic waveguide affect the dynamic performance. Quantitative values of certain key parameters (characteristics) need to be known, a priori, in order to predict or evaluate the dynamic performance of a waveguide for specific conditions of use. This...

ASTM D7449/D7449M-22 - Standard Test Method for Measuring Relative Complex Permittivity and Relative Magnetic Permeability of Solid Materials at Microwave Frequencies Using Coaxial Air Line
March 15, 2022 - ASTM International

1.1 This test method covers a procedure for determining relative complex permittivity (relative dielectric constant and loss) and relative magnetic permeability of isotropic, reciprocal (non-gyromagnetic) solid materials. If the material is nonmagnetic, it is acceptable to use this procedure to...

DS/EN IEC 61300-3-53 - Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-53: Examinations and measurements – Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre)
February 9, 2021 - DS

This part of IEC 61300 defines the encircled angular flux measurement of multimode waveguide light sources, in which most of the transverse modes are excited. The term "waveguide" is understood to include both channel waveguides and optical fibres but not slab waveguides...

CEI EN IEC 62496-4-214 - Optical circuit boards Part 4-214: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel PMT connector
February 1, 2021 - CEI

This part of IEC 62496 defines the standard interface dimensions for a terminated waveguide optical circuit board (OCB) assembly (referred to simply as "assembly") using single-row thirtytwo- channel connectors for polymer waveguides connected with a symmetric PMT connector.

ASTM ISO/ASTM51310-22 - Standard Practice for Use of a Radiochromic Optical Waveguide Dosimetry System
November 1, 2020 - ASTM International

4.1 The radiochromic optical waveguide dosimetry system provides a means of measuring absorbed dose in materials. Under the influence of ionizing radiation such as photons, chemical reactions take place in the radiochromic optical waveguide creating and/or modifying optical absorbance...

IEC 61300-3-53 - Fibre optic interconnecting devices and passive components – Basic test and measurement procedures Part 3-53: Examinations and measurements – Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre)
December 1, 2020 - IEC

This part of IEC 61300 defines the encircled angular flux measurement of multimode waveguide light sources, in which most of the transverse modes are excited. The term "waveguide" is understood to include both channel waveguides and optical fibres but not slab waveguides...

IEC 61300-3-53 REDLINE - Fibre optic interconnecting devices and passive components – Basic test and measurement procedures Part 3-53: Examinations and measurements – Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre)
December 1, 2020 - IEC

This part of IEC 61300 defines the encircled angular flux measurement of multimode waveguide light sources, in which most of the transverse modes are excited. The term "waveguide" is understood to include both channel waveguides and optical fibres but not slab waveguides...

MIL-DTL-24211 - GASKETS, WAVEGUIDE FLANGE GENERAL SPECIFICATION FOR
January 20, 2021 - NPFC

Scope. This specification covers the general requirements for pressure sealing gaskets used with general purpose cover flanges and flat face flanges covered by MIL-DTL-3922.

DS/ETSI EN303 364-2V1.1.1 - Primary Surveillance Radar (PSR); Harmonised Standard for access to radio spectrum; Part 2: Air Traffic Control (ATC) PSR sensors operating in the frequency band 2 700 MHz to 3 100 MHz (S band)
March 1, 2021 - DS

The present document specifies technical characteristics and methods of measurements for ground based monostatic ATC primary surveillance radars with the following characteristics: • operating in the 2 700 MHz to 3 100 MHz frequency range; • transmitter output peak power up to 100 kW; • the...

ASTM D2520-21 - Standard Test Methods for Complex Permittivity (Dielectric Constant) of Solid Electrical Insulating Materials at Microwave Frequencies and Temperatures to 1650 °C
April 1, 2021 - ASTM International

1.1 These test methods cover the determination of relative (Note 1) complex permittivity (dielectric constant and dissipation factor) of nonmagnetic solid dielectric materials. Note 1: The word "relative" is often omitted. 1.1.1 Test Method A is for specimens precisely formed to the inside...

Introduction to Electromagnetism From Coulomb to Maxwell
March 24, 2021 - CRC

This edition aims to expand on the first edition and take the reader through to the wave equation on coaxial cable and free-space by using Maxwell's equations. The new chapters include time varying signals and fundamentals of Maxwell's equations. This book will introduce and discuss electromagnetic...

DS/ETSI EN 303 135 V2.2.1 - Kystovervågning, fartøjstrafikservice og havneradarer (CS/VTS/HR) – Harmoniseret Standard for radiospekteraccess
December 7, 2020 - DS

The present document specifies technical characteristics and methods of measurements for X-band radar sensors intended for Coastal Surveillance (CS), Vessel Traffic Services (VTS) and harbour surveillance with the following characteristics: • Operating in the following frequency range: - 8 500 MHz...

Theory of Waveguides and Transmission Lines
September 20, 2020 - CRC

This book covers the principles of operation of electromagnetic waveguides and transmission lines. The approach is divided between mathematical descriptions of basic behaviors and treatment of specific types of waveguide structures. Classical (distributed-network) transmission lines,...

IEC 61290-1-3 - Optical amplifiers – Test methods – Part 1-3: Power and gain parameters – Optical power meter method
March 1, 2021 - IEC

This part of IEC 61290 applies to all commercially available optical amplifiers (OA) and optically amplified subsystems. It applies to OA using optically pumped fibres (OFA based on either rareearth doped fibres or on the Raman effect), semiconductors (SOA), and waveguides (POWA). NOTE 1 The...

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