a Dual RF/IF PLL Frequency Synthesizers ADF4210/ADF4211/ADF4212/ADF4213 GENERAL DESCRIPTION FEATURES ADF4210: 550 MHz/1.2 GHz ADF4211: 550 MHz/2.0 GHz ADF4212: 1.0 GHz/2.7 GHz ADF4213: 1.0 GHz/3 GHz...