ADF5355BCPZ datasheet(13/38 Pages) AD

13 / 38 page

Data Sheet

ADF5355

Rev. D | Page 13 of 38

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

–170

–150

–130

–110

–90

–70

–50

Figure 16. Closed-Loop Phase Noise, RFOUTB = 6.8 GHz, 2× VCO,

VCO = 3.4 GHz, fPFD = 61.44 MHz, Loop Bandwidth = 2 kHz

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

–170

–150

–130

–110

–90

–70

–50

Figure 17. Closed-Loop Phase Noise, RFOUTB = 10 GHz, 2× VCO,

VCO = 5.0 GHz, fPFD = 61.44 MHz, Loop Bandwidth = 2 kHz

10k

100k

10M

100M

FREQUENCY OFFSET FROM CARRIER (Hz)

–170

–150

–130

–110

–90

–70

–50

Figure 18. Closed-Loop Phase Noise, RFOUTB = 13.6 GHz, 2× VCO,

VCO = 6.8 GHz, fPFD = 61.44 MHz, Loop Bandwidth = 2 kHz

–10

–9

–8

–7

–6

–5

–4

–3

–2

–1

FREQUENCY (GHz)

–40°C

+25°C

+85°C

Figure 19. Output Power vs. Frequency, RFOUTA+/RFOUTA− (7.5 nH Inductors,

10 pF Bypass Capacitors, Board Losses De-Embedded)

–50

–45

–40

–35

–30

–25

–20

–15

–10

–5

RFOUTA FREQUENCY (GHz)

SECOND HARMONIC (RFOUTA × 2)

THIRD HARMONIC (RFOUTA × 3)

Figure 20. RFOUTA+/RFOUTA− Harmonics vs. Frequency (7.5 nH Inductors,

10 pF Bypass Capacitors, Board Losses De-Embedded)

FREQUENCY (GHz)

–10

–8

–6

–4

–2

Figure 21. RFOUTA+/RFOUTA− Power vs. Frequency (100 nH Inductors,

100 pF Bypass Capacitors, Board Measurement)

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