STB PDF

Audio and audiovisual equipment. Digital audio parts. Basic measurement methods of audio characteristics - Professional use. Original standard UNE-EN 61606-3-2008 in PDF full version. Additional info + preview on request

Document status: Active

Audio and audiovisual equipment. Digital audio parts. Basic measurement methods of audio characteristics - Personal computer. Original standard UNE-EN 61606-4-2006 in PDF full version. Additional info + preview on request

Document status: Active

Microwave ferrite components. Guide for the drafting of specifications. Original standard UNE-EN 61609-1999 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Amendment 11 - Low-voltage surge protective devices - Part 11- Surge protective devices connected to low-voltage power systems - Requirements and test methods. Original standard UNE-EN 61643-11-2013 A11-2018 in PDF full version. Additional info + preview on request

Document status: Active

Components for low-voltage surge protective devices - Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT). Original standard UNE-EN 61643-351-2017 in PDF full version. Additional info + preview on request

Document status: Active

Lightning protection - Telecommunication lines - Part 2- Lines using metallic conductors. Original standard UNE-EN 61663-2-2003 in PDF full version. Additional info + preview on request

Document status: Active