IEC 60151-9:1966 pdf download – Measurements of the electrical properties of electronic tubes and valves. Part 9: Methods of measuring the cathode-interface impedance. IEC 60151-9:1966 is a technical standard that describes how to measure the cathode-interface impedance of electronic tubes and valves. It belongs to the IEC 60151 series, which covers methods for measuring the

IEC 60197:1965 pdf download,High-voltage connecting wire with flame retarding insulation for use in television receivers. IEC 60197:1965 is an international standard that specifies the requirements for a high-voltage connecting wire with flame-retarding insulation, originally developed for use in television receivers. The document focuses on single connecting wires insulated with thermoplastic material and designed to operate

IEC 60151-6:1965 pdf download,Measurements of the electrical properties of electronic tubes and valves. Part 6: Methods of application of mechanical shock (impulse) excitation to electronic tubes and valves. IEC 60151-6:1965 specifies methods for applying mechanical shock, or impulse excitation, to electronic tubes and valves during electrical-property measurements. Its purpose is to provide controlled and repeatable

IEC 60153-3:1964 pdf download,Hollow metallic waveguides. Part 3: Relevant specifications for flat rectangular waveguides. IEC 60153-3:1964 establishes relevant specifications for flat rectangular hollow metallic waveguides. These waveguides are used to guide electromagnetic energy, particularly at microwave frequencies, through a metallic structure having a rectangular cross-section with one dimension substantially larger than the other. The standard

IEC 60151-7:1964 pdf download,Measurements of the electrical properties of electronic tubes and valves. Part 7: Measurement of equivalent noise resistance. IEC 60151-7:1964 specifies a method for measuring the equivalent noise resistance of electronic tubes and valves. Equivalent noise resistance is a parameter used to express the internal noise generated by a tube as an equivalent