ADF4355BCPZ datasheet(11/36 Pages) AD

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ADF4355

Data Sheet

Rev. A | Page 10 of 35

10k

100k

10M

100M

FREQUENCY (Hz)

–170

–150

–130

–110

–90

–70

–50

÷1

÷2

Figure 10. Closed-Loop Phase Noise, RFOUTA+, Fundamental VCO and

Divide by 2, VCO = 3.4 GHz, PFD = 61.44 MHz, Loop Bandwidth = 2 kHz

10k

100k

10M

100M

FREQUENCY (Hz)

–170

–150

–130

–110

–90

–70

–50

÷1

÷2

Figure 11. Closed-Loop Phase Noise, RFOUTA+, Fundamental VCO and

Divide by 2, VCO = 5.0 GHz, PFD = 61.44 MHz, Loop Bandwidth = 2 kHz

10k

100k

10M

100M

FREQUENCY (Hz)

–170

–150

–130

–110

–90

–70

–50

÷1

÷2

Figure 12. Closed-Loop Phase Noise, RFOUTA+, Fundamental VCO and

Divide by 2, VCO = 6.8 GHz, PFD = 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 13. 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

FREQUENCY (GHz)

SECOND HARMONIC

THIRD HARMONIC

Figure 14. 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 15. RFOUTA+/RFOUTA− Power vs. Frequency (100 nH Inductors, 100 pF

Bypass Capacitors, Board Measurement)

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