AD9775EB View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9775EB

0.3-25V; 14-bit, 160MSPS 2x/4x/8x interpolating dual TxDAC+ D/A converter

Analog Devices 

AD9775

0

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–40

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–60

–70

–80

–90

–100

0

10

20

30

40

50

FREQUENCY – MHz

Figure 47. AD9775, Real DAC Output of Complex

Input Signal Near Baseband (Negative Frequencies

Only), Interpolation = 4؋, Complex Modulation in

AD9775 = –fDAC/4

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

750 760 770 780 790 800 810 820 830 840 850

FREQUENCY – MHz

Figure 48. AD9775 Complex Output from

Figure 47, Now Quadrature Modulated by

AD8345 (LO = 800 MHz)

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

0

20

40

60

80

100

FREQUENCY – MHz

Figure 49. AD9775, Real DAC Output of Complex

Input Signal Near Baseband (Positive Frequencies

Only), Interpolation = 8؋, Complex Modulation in

AD9775 = +fDAC/8

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

700 720 740 760 780 800 820 840 860 880 900

FREQUENCY – MHz

Figure 50. AD9775 Complex Output from

Figure 49, Now Quadrature Modulated by

AD8345 (LO = 800 MHz)

–36–

REV. 0

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