AD7008 CMOS DDS Modulator

Typical Performance Characteristics–AD7008REF 5.0 dBm10 dB/DIV RANGE 5.0 dBmOFFSET 1 680 000.0 Hz–52.8 dBREF 4.3 dBm10 dB/DIV RANGE 5.0 dBmOFFSET 14 500 000.0 Hz–52.4 dBSTART 0 HzRBW 3 kHzVBW 10 kHzSTOP 10 000 000.0 HzST 2.4 SECFigure 23. f CLK = 20 MHz, f OUT = 6.1 MHzCENTER 16 000 000.0 HzRBW 3 kHzVBW 10 kHzSPAN 25 000 000.0 HzST 5.6 SECFigure 26. f CLK = 50 MHz, f OUT = 7.1 MHzREF 4.3 dBm10 dB/DIV RANGE 5.0 dBmOFFSET 500 000.0 Hz–51.7 dBREF 5.0 dBm10 dB/DIV RANGE 5.0 dBmOFFSET –1 280 000.0 Hz–51.8 dBCENTER 6 500 000.0 HzRBW 3 kHzVBW 10 kHzSPAN 10 000 000.0 HzST 2.4 SECSTART 0 HzRBW 3 kHzVBW 10 kHzSTOP 10 000 000.0 HzST 2.4 SECFigure 24. f CLK = 20 MHz, f OUT = 6.5 MHzFigure 27. f CLK = 20 MHz, f OUT = 7.1 MHzREF 4.3 dBm10 dB/DIV RANGE 5.0 dBmOFFSET 6 304 000.0Hz–56.3 dBREF 4.3 dBm10 dB/DIV RANGE 5.0 dBmOFFSET 15 300 000.0 Hz–51.8 dBSTART 0 HzRBW 3 kHzVBW 10 kHzSTOP 16 000 000.0 HzST 3.6 SECSTART 0 HzRBW 3 kHzVBW 10 kHzSTOP 25 000 000.0 HzST 5.6 SECFigure 25. f CLK = 50 MHz, f OUT = 2.1 MHzFigure 28. f CLK = 50 MHz, f OUT = 5.1 MHzREV. B –13–