Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factorDiese Norm stimmt sachlich überein mit der IEC-Empfehlung 151-4, Ausgabe 1963.Measurements of the electrical properties of electronic tubes and val
DIN 44402-6:1972 history
1972DIN 44402-6:1972-03 Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factor
1972DIN 44402-6:1972 Measurement of the electrical properties of electronic tubes and valves; methods of measuring noise factor