ADRF6750ACPZ-R7 datasheet(13/40 Pages) AD

13 / 40 page

ADRF6750

Rev. A | Page 13 of

–5

–3

–1

–4

–2

10M

100M

I AND Q BASEBAND INPUT FREQUENCY (Hz)

Figure 23. Normalized I and Q Input Bandwidth

–30

–25

–20

–15

–10

–5

500

750

1000

1250

1500

1750

2000

OUTPUT FREQUENCY (MHz)

ATTENUATION = 0dB

ATTENUATION = 21dB AND 47dB

Figure 24. Output Return Loss at Worst-Case Attenuation vs.

LO Frequency, Supply, and Temperature

1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205

LO FREQUENCY (MHz)

LOWER

SIDEBAND

CARRIER

FEEDTHROUGH

SUPPRESSED

SIDEBAND

THIRD

HARMONIC

SECOND

HARMONIC

Figure 25. RF Output Spectral Plot over a 10 MHz Span

–90

–80

–70

–60

–50

–40

–30

–20

–10

1150

1170

1190

1210

1230

1250

LO FREQUENCY (MHz)

LOWER

SIDEBAND

CARRIER

FEEDTHROUGH

SUPPRESSED

SIDEBAND

THIRD

HARMONIC

LOWER AND UPPER

SECOND HARMONICS

Figure 26. RF Output Spectral Plot over a 100 MHz Span

–80

–70

–60

–50

–40

–30

–20

–10

2345

FREQUENCY (MHz)

789

3 × LO

HARMONIC

4 × LO

HARMONIC

2 × LO

HARMONIC

LOWER

SIDEBAND

5 × LO

HARMONIC

8 × LO

HARMONIC

Figure 27. RF Output Spectral Plot over a Wide Span

–160

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

100

10k

100k

10M

100M

OFFSET FREQUENCY (Hz)

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

and Temperature

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