The APL1947.5 from ASB Inc. is a Frequency Synthesizer with Frequency 1.93 to 1.95 GHz, Step Size 100 KHz, Reference Frequency 10 MHz, Output Power 3 to 5 dBm, Harmonics -45 to -35 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL1947.5 can be seen below.