EV-ADF41020EB1Z, Evaluation Board for the Evaluation Board for the ADF41020 PLL Frequency Synthesizer. Evaluation of the ADF41020 frequency synthesizer for phase-locked loops (PLLs). which contains the ADF41020 synthesizer, a 100 MHz TCXO, power supplies, a USB interface, and an RF output. There is also an active loop filter and a 13 GHz VCO on board