ADRF6850

Rev. 0 | Page 15 of 36

–120

–100

–80

–60

–40

–20

0

100

200

300

400

500

600

700

800

900

1000

LO FREQUENCY (MHz)

Figure 35. Reference Spurs at 13.5 MHz from Carrier vs. LO Frequency,

Channel Gain, Supply, and Temperature

–120

–100

–80

–60

–40

–20

0

100

200

300

400

500

600

700

800

900

1000

LO FREQUENCY (MHz)

Figure 36. PFD Spurs at 27 MHz from Carrier vs. LO Frequency, Channel Gain,

Supply, and Temperature

–170

–160

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

10

100

1k

10k

100k

1M

10M

OFFSET FREQUENCY (Hz)

TABLE OF DISTRIBUTION DATA:

OFFSET FREQUENCY (Hz):

10

100

1k

10k

100k

1M

10M

TYPICAL RANGE (dBc/Hz):

–91/–100 –99/–111 –107/–115 –118/–121 –129/–132 –150/–154 –151/–153

WORST-CASE RANGE (dBc/Hz): –90/–105 –95/–108 –105/–116 –118/–121 –128/–131 –151/–154 –151/–153

Figure 37. Phase Noise Performance Including Distribution Table at LO

Frequency = 100 MHz at Nominal and Worst-Case Conditions

10

100

1k

10k

100k

1M

10M

OFFSET FREQUENCY (Hz)

–160

–150

–140

–130

–120

–110

–100

–90

–80

–70

–60

TABLE OF DISTRIBUTION DATA:

OFFSET FREQUENCY (Hz):

10

100

1k

10k

100k

1M

10M

TYPICAL RANGE (dBc/Hz):

–75/–85 –78/–89 –84/–95 –97/–100 –110/–113 –136/–138 –149/–153

WORST-CASE RANGE (dBc/Hz): –72/–82 –74/–89 –89/–96 –97/–100 –110/–112 –136/–138 –149/–152

Figure 38. Phase Noise Performance Including Distribution Table at LO

Frequency = 1000 MHz at Nominal and Worst-Case Conditions

0

0.1

0.2

0.3

0.4

100

200

300

400

500

600

700

800

900

1000

LO FREQUENCY (MHz)

3.30V; +25°C

3.15V; +85°C

3.45V; +85°C

3.15V; –40°C

3.45V; –40°C

Figure 39. Integrated Phase Noise vs. LO Frequency, Supply, and

Temperature

0

5

10

15

20

25

30

0.19

0.21

0.23

0.25

0.27

0.29

0.31

0.33

RMS JITTER (Degrees)

NOMINAL

WORST-CASE

Figure 40. Integrated Phase Noise Distribution with LO Frequency =

1000 MHz at Nominal and Worst-Case Conditions