Compact low phase noise 3.8 GHz oscillator

This paper describes the theory and design of a compact low noise dielectric resonator oscillator operating at 3.8GHz. The oscillator demonstrates a phase noise performance of -150dBc/Hz at 10 kHz offset with a tuning range of 200 kHz and a vibration sensitivity of 10^-8 and 10^-9 g^-1. The power supply requirements are 6V without a regulator or 8V regulated at 160mA. The box dimensions are 11 × 11 × 5 cm.