A RF Reference Source Module for APSOS Radiometric Spectrometer

A RF reference source module (RFRSM) is developed for the local oscillator of a superconducting radiometric spectrometer for the Atmospheric Profiling Synthetic Observation System (APSOS) project. The module meets requirements of broadband, low phase noise, good heat dissipation and monitoring & communication function, compared with a commercial signal generator. Its frequency and output power stabilities are characterized in particular.