IEC 60151-26:1971 pdf download – Measurements of the electrical properties of electronic tubes and valves. Part 26: Methods of measurement for camera tubes. IEC 60151-26:1971 is a technical standard in the IEC 60151 series that defines methods for measuring the electrical properties of electronic tubes and valves, specifically camera tubes. Its main purpose is to

IEC 60268-6:1971 pdf download – Sound system equipment – Part 6: Auxiliary passive elements. IEC 60268-6:1971 is a technical standard in the IEC 60268 series for sound system equipment. Part 6 focuses on auxiliary passive elements used in audio and sound system installations. Its main purpose is to define how these passive components should be

IEC 60244-3A:1971 pdf download – Methods of measurement for radio transmitters – Part 3: Wanted and unwanted modulation – First supplement: Appendices. IEC 60244-3A:1971 is a supplement to the radio transmitter measurement standard IEC 60244-3, which deals with wanted and unwanted modulation. This first supplement adds appendices that support the main standard by providing extra

IEC 60356:1971 pdf download – Dimensions for commutators and slip-rings. IEC 60356:1971 is a technical standard that specifies the dimensions for commutators and slip-rings used in electrical machines. Its main purpose is to provide standardized dimensional requirements so that these components can be manufactured, fitted, and used consistently across different designs and applications. The document

IEC 60151-23:1970 pdf download – Measurements of the electrical properties of electronic tubes and valves. Part 23: Methods of measurement of vacuum pulse modulator tubes and valves. IEC 60151-23:1970 is a technical standard that defines methods for measuring the electrical properties of electronic tubes and valves, with a specific focus on vacuum pulse modulator tubes