The FMSN3903 from Fairview Microwave is a Phase Locked Loop with Frequency 10 to 20 GHz, Phase Noise -80 dBc/Hz, Output Power -14 to 16 dBm, Harmonic Suppression -60 to -15 dBc, Operating Temperature 0 to 55 Degree C. Tags: Connectorized, Integer-N PLL, Fractional-N PLL. More details for FMSN3903 can be seen below.