AD9854中文數據手冊FEATURES 300 MHz internal clock rate FSK, BPSK, PSK, chirp, AM operation Dual integrated 12-bit digital-to-analog converters (DACs) Ultrahigh speed comparator, 3 ps rms jitter Excellent dynamic performance 80 dB SFDR at 100 MHz (±1 MHz) AOUT 4× to 20× programmable reference clock