This standard specifies the test method for the output power of the TV transmitter tube. This standard applies to transmitting tubes used in television transmitters.
GB/T 3789.25-1991 history
2013GB/T 3789-2013 Measurements of electrical properties of transmitting tubes
1991GB/T 3789.25-1991 Measurements of the electrical properties of transmitting tubes--Methods of measuring the vision output power
GB/T 3789.25-1991 Measurements of the electrical properties of transmitting tubes--Methods of measuring the vision output power was changed to GB/T 3789-2013 Measurements of electrical properties of transmitting tubes.