2.
7 GHz DDS-Based AgileRFTM Synthesizer AD9956 FEATURES 400 MSPS internal DDS clock speed 48-bit frequency tuning word 14-bit programmable phase offset Integrated 14-bit DAC Excellent dynamic performance Phase noise ≤ 135 dBc/Hz @ 1 KHz offset −80 dB SFDR @ 160 MHz (±100 KHz offset IOUT) 25 Mb/s write-speed serial I/O control 200 MHz phase frequency detector inputs 655 MHz programmable input dividers for the phase frequency detector (÷M, ÷N) {M, N = 1.
.
16} (bypassable) Programmable RF divider (÷R) {R = 1, 2, 4, 8} (bypassable) 8 phase/frequency profiles 1.
8 V supply for device operation 3.
3 V supply for I/O and charge pump Software controlled power-down 48-lead LFCSP package Automatic line...

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