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

IEC 60130-5:1966 pdf download – Connectors for frequencies below 3 MHz – Part 5: Rectangular multipole connectors with blade contacts. IEC 60130-5:1966 is a standard that specifies requirements for rectangular multipole connectors with blade contacts used at frequencies below 3 MHz. Its main purpose is to define the physical and dimensional characteristics of these connectors