
Measurements of the electrical properties of low-power electronic tubes--Methods of measurement of output power and nonlinear distortion under test in the conditions of low-frequency amplification
标准号:GB/T 3306.12-1982
Measurements of the electrical properties of low-power electronic tubes--Methods of measurement of output power and nonlinear distortion under test in the conditions of low-frequency amplification
标准号:GB/T 3306.12-1982