ADF4356 datasheet(10/35 Pages) AD

10 / 35 page

ADF4356

Data Sheet

Rev. 0 | Page 10 of 35

–10

–8

–6

–4

–2

1000

2000

3000

4000

5000

6000

7000

TARGET FREQUENCY (MHz)

–40°C

+25°C

+85°C

Figure 10. Output Power vs. Frequency, RFOUTA+/RFOUTA− (7.4 nH

Inductors, 10 pF AC Coupling Capacitors, Board Measurement)

–60

–50

–40

–30

–20

–10

1000

2000

3000

4000

5000

6000

7000

TARGET FREQUENCY (MHz)

FIFTH HARMONIC

FOURTH HARMONIC

THIRD HARMONIC

SECOND HARMONIC

Figure 11. RFOUTA+/RFOUTA− Harmonics vs. Frequency (7.4 nH Inductors,

10 pF AC Coupling Capacitors, Board Measurement)

–8

–6

–4

–2

1000

2000

3000

4000

5000

6000

7000

FREQUENCY (MHz)

Figure 12. RFOUTB+/RFOUTB− Power vs. Frequency (100 nH Inductors, 10 pF

AC Coupling Capacitors, Board Measurement)

–35

–30

–25

–20

–15

–10

–5

1000

2000

3000

4000

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6000

7000

FREQUENCY (MHz)

RFOUTB–

RFOUTB+

RFOUTA–

RFOUTA+

Figure 13. RFOUTA+/RFOUTA− Power vs. RFOUTB+/RFOUTB− Power (7.4 nH

Inductors, 10 pF AC Coupling Capacitors, Board Measurement)

250

100

150

200

1000

2000

3000

4000

5000

6000

7000

OUTPUT FREQUENCY (MHz)

1kHz TO 20MHz

12kHz TO 20MHz

Figure 14. RMS Jitter/Noise vs. Output Frequency,

PFD Frequency = 61.44 MHz, Loop Filter = 40 kHz

–40

–110

–100

–90

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–70

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–50

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TARGET FREQUENCY (MHz)

PFD = 122.88MHz

PFD = 61.44MHz

PFD = 30.72MHz

Figure 15. PFD Spur Amplitude vs. RFOUTA+/RFOUTA− Output Frequency,

PFD = 30.72 MHz, PFD = 61.44 MHz, PFD = 122.88 MHz, Loop Filter = 40 kHz

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