This standard specifies the test method for the thermal emission current of the emitter grid. This standard is applicable to the space charge controlled oscillation, modulation, adjustment and test of the thermal emission current of the first grid and the second grid of the power amplifier tube with the anode dissipation power above 25W.
GB/T 3789.5-1991 history
2013GB/T 3789-2013 Measurements of electrical properties of transmitting tubes
1991GB/T 3789.5-1991 Measurements of the electrical properties of transmitting tubes--Measuring methods of grid thermo-emission current
GB/T 3789.5-1991 Measurements of the electrical properties of transmitting tubes--Measuring methods of grid thermo-emission current was changed to GB/T 3789-2013 Measurements of electrical properties of transmitting tubes.