IEC 60153-6:1967 pdf download – Hollow metallic waveguides – Part 6: Relevant specifications for medium flat rectangular waveguides. IEC 60153-6:1967 is a technical standard covering hollow metallic waveguides, specifically the relevant specifications for medium flat rectangular waveguides. Its main purpose is to define the physical and technical characteristics of this waveguide type so it can

IEC 60151-8:1966 pdf download – Measurements of the electrical properties of electronic tubes and valves – Part 8: Measurement of cathode heating time and heater warm-up time. IEC 60151-8:1966 is a technical standard that describes how to measure cathode heating time and heater warm-up time in electronic tubes and valves. Its main purpose is to

IEC 60151-13:1966 pdf download – Measurements of the electrical properties of electronic tubes and valves – Part 13: Methods of measurement of emission current from hot cathodes for high-vacuum electronic tubes and valves. IEC 60151-13:1966 is a technical standard that describes methods for measuring the emission current from hot cathodes in high-vacuum electronic tubes and

IEC 60151-12:1966 pdf download – Measurements of the electrical properties of electronic tubes and valves – Part 12: Methods of measuring electrode resistance, transconductance, amplification factor, conversion resistance and conversion transconductance. IEC 60151-12:1966 is a technical standard that explains how to measure several important electrical properties of electronic tubes and valves, including electrode resistance, transconductance,

IEC 60151-11:1966 pdf download – Measurements of the electrical properties of electronic tubes and valves – Part 11: Methods of measurement of radio-frequency output power. IEC 60151-11:1966 is a technical standard that describes methods for measuring the radio-frequency output power of electronic tubes and valves. Its main purpose is to provide a consistent and reliable