ADRF6755ACPZ-R7 datasheet(16/48 Pages) AD

16 / 48 page

ADRF6755

Data Sheet

Rev. B | Page 16 of 48

Figure 23. Output Return Loss at Different Attenuation Settings vs. Output

Frequency, Supply, and Temperature

Figure 24. RF Output Spectral Plot over a 10 MHz Span

Figure 25. RF Output Spectral Plot over a 100 MHz Span

Figure 26. RF Output Spectral Plot over a Wide Span

Figure 27. Phase Noise Performance vs. LO Frequency, Nominal Conditions

Figure 28. Phase Noise Performance vs. LO Frequency, Supply,

and Temperature

–28

–26

–24

–22

–20

–18

–16

–14

–12

–10

100 300 500 700 900 1100 1300 1500 1700 1900 2100 2300 2500

OUTPUT FREQUENCY (MHz)

ATTENUATION = 0dB

ATTENUATION = 21dB AND 47dB

–90

–80

–70

–60

–50

–40

–30

–20

–10

1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880

FREQUENCY (MHz)

LOWER

SIDEBAND

CARRIER

FEEDTHROUGH

SUPPRESSED

SIDEBAND

SECOND

HARMONIC

THIRD

HARMONIC

–90

–80

–70

–60

–50

–40

–30

–20

–10

1825 1835 1845 1855 1865 1875 1885 1895 1905 1915 1925

FREQUENCY (MHz)

LOWER

SIDEBAND

CARRIER

FEEDTHROUGH

SUPPRESSED

SIDEBAND

THIRD

HARMONIC

–90

–80

–70

–60

–50

–40

–30

–20

–10

FREQUENCY (MHz)

3 × LO

HARMONIC

LOWER

SIDEBAND

2 × LO

HARMONIC

4 × LO

HARMONIC

5 × LO

HARMONIC

–160

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

100

10k

100k

10M

OFFSET FREQUENCY (Hz)

LO FREQUENCY = 2400MHz

LO FREQUENCY = 1200MHz

LO FREQUENCY = 580MHz

LO FREQUENCY = 290MHz

LO FREQUENCY = 100MHz

–160

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

100

10k

100k

10M

OFFSET FREQUENCY (Hz)

LO FREQUENCY = 2500MHz

LO FREQUENCY = 100MHz

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