SFG-2007 7MHz DDS Function Generator ... FEATURES DDS Technology and FPGA Chip Design Frequency Range : 0.1Hz~10MHz High Frequency Accuracy : ± 20ppm High Frequency Stability : ± 20ppm Frequency Resolution : 100mHz Low Distortion Sine Wave : -55dBc,0.1Hz~200kHz Front Panel Setting Save/Recall with 10 Groups of Setting Memories Built-In 6 Digits, 150MHz/High Resolution Counter INT/EXT AM/FM Modulation LIN/LOG Sweep Mode