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SMD 5962-88622 - MICROCIRCUIT, LINEAR, LOW NOISE, HIGH SPEED PRECISION, OPERATIONAL AMPLIFIER, MONOLITHIC SILICON
August 13, 2020 - DOD

Scope. This drawing describes device requirements for MIL-STD-883 compliant, non-JAN class level B microcircuits in accordance with MIL-PRF-38535, appendix A.

DS/EN 1794-2 - Road traffic noise reducing devices – Non-acoustic performance – Part 2: General safety and environmental requirements
May 18, 2020 - DS

This document specifies methods and criteria for assessing the general safety and environmental performance of road traffic noise reducing devices under typical roadside conditions. Appropriate test methods are provided where these are necessary. The treatment of each topic is covered...

SAE J3070 - Power Cylinder Scuffing: Mechanisms
August 1, 2020 - SAE

This document describes the various scuffing failure modes of the power cylinder system in an internal combustion engine. The causes and preventative measures for each failure mode are discussed. It should be noted that many remedies for scuff can lead to NVH (noise vibration and harshness)...

DNVGL-RU-SHIPS P 6 CH 8 - Part 6 Additional class notations - Chapter 8 Living and working conditions
July 1, 2020 - DNVGL

The additional class notation COMF includes requirements for noise levels, vibration levels and the performance of the on board HVAC system, for passenger ships, cargo ships, yachts and high-speed crafts. The areas included are cabins, public spaces, wheelhouse, radio rooms, offices, control...

VDI 2058 BLATT 2 - Assessment of noise with regard to the risk of hearing damages
August 1, 2020 - DIN
A description is not available for this item.
DS/EN IEC 60704-2-8 - Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-8: Particular requirements for electric shavers, hair clippers or trimmers
May 11, 2020 - DS

This clause of IEC 60704-1:2010 is applicable except as follows: 1.1 Scope 1.1.1 General Replacement: This document applies to electric shavers, hair clippers or trimmers for domestic and similar use, supplied from mains or secondary batteries or primary batteries. The term "similar use" is...

ITU-R P.372 - Radio noise
August 1, 2019 - ITU-R

Recommendation ITU-R P.372 provides information on the background levels of radio-frequency noise in the frequency range from 0.1 Hz to 100 GHz. It takes account of noise due to the temperature of the lower atmosphere, to the galaxy, to lightning, and to man-made sources. Noise...

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