Relation between microwave width (power efficiency) and input triangle voltage for magnetically insulated transmission line oscillator

Resorting to PIC simulation and experimental investigation, the relation between the output microwave width (power efficiency) and the input triangle voltage waveform for a magnetically insulated transmission line oscillator (MILO) is analyzed without power capability problem. The analysis results show that: (a) On the condition of the same width of the input voltage, with the increasing of the amplitude of the input voltage, the putout microwave bottom width and the FWHW increase; and the power efficiency increase firstly and then decrease when the power is saturated. (b) On the condition of the same amplitude of the input voltage, with the increasing of the rising edge (with stable slope) of the input voltage, the putout microwave width increases; and the power efficiency decreases. Therefore, on the condition of the limited pulse width of the input voltage, by the way of increasing the rising edge of the input voltage, the output microwave width can be increased. And on the condition of the limited amplitude of the input voltage, by the way of decreasing the rise-time of the input voltage, the output microwave power can be increased. With the proper input voltage parameter, the matching problem of the key parameters between the microwave power and the width for a MILO on the condition of the input triangle voltage is solved.