译：GB/T 3789.27-1991 Measurements of the electrical properties of transmitting tubes Methods of measuring the inter-modulation distortion of a three tone signal

译：GB/T 3789.2-1991 Measurements of the electrical properties of transmitting tubes Measuring methods of current of anode and grid

译：GB/T 3789.22-1991 Measurements of the electrical properties of transmitting tubes Measuring methods of vibration stability

译：GB/T 3789.24-1991 Measurements of the electrical properties of transmitting tubes Measuring methods of dual tone inter-modulation distortion of linear amplifier tubes

译：GB/T 3789.29-1991 Measurements of the electrical properties of transmitting tubes Method of measuring the non-linearity in the luminance of the lower frequency

译：GB/T 3789.28-1991 Measurements of the electrical properties of transmitting tubes Method of measuring the cross modulation

译：GB/T 3789.26-1991 Measurements of the electrical properties of transmitting tubes Methods of measuring the power gain

译：GB/T 3789.23-1991 Measurements of the electrical properties of transmitting tubes Measuring methods of grid №3 control ability

译：GB/T 3789.21-1991 Measurements of the electrical properties of transmitting tubes Measuring methods of static characteristic reference point

译：GB/T 3789.30-1991 Measurements of the electrical properties of transmitting tubes Methods of measuring the distortion in the chrominance signal due to the luminance (differential gain and differential phase)