ADF4372 datasheet(13/47 Pages) AD

13 / 47 page

Data Sheet

ADF4372

Rev. 0 | Page 13 of 47

–35

–40

–45

–50

–55

–60

–65

–70

–75

–80

CARRIER FREQUENCY (GHz)

–40°C, VCO SUPPLY = 4.80V

+105°C, VCO SUPPLY = 4.80V

–40°C, VCO SUPPLY = 5.30V

+105°C, VCO SUPPLY = 5.30V

+25°C, VCO SUPPLY = 5.05V

Figure 19. RF16P and RF16N VCO × 3 Feedthrough, De-Embedded Board and

Cable Measurement, Combined Using Balun

–10

–20

–30

–40

–50

–60

–70

–80

CARRIER FREQUENCY (GHz)

SECOND HARMONIC (4 × VCO)

THIRD HARMONIC (6 × VCO)

5/2TH HARMONIC (5 × VCO)

Figure 20. RF16P and RF16N Output Harmonics, De-Embedded Board and

Cable Measurement, Combined Using Balun

0.075

0.070

0.065

0.060

0.055

0.050

0.045

0.040

0.035

0.030

0.025

4.0

5.0

6.0

7.0

8.0

4.5

5.5

6.5

7.5

8.5

FREQUENCY (GHz)

12kHz TO 20MHz

1kHz TO 100MHz

Figure 21. RMS Jitter, Integer-N, fPFD = 245.76 MHz, Loop Filter Bandwidth =

220 kHz, VCC_VCO = 5 V

0.075

0.070

0.065

0.060

0.055

0.050

0.045

0.040

0.035

0.030

0.025

4.0

5.0

6.0

7.0

8.0

4.5

5.5

6.5

7.5

8.5

FREQUENCY (GHz)

12kHz TO 20MHz

1kHz TO 20MHz

Figure 22. RMS Jitter, Fractional-N, fPFD = 153.6 MHz, VCC_VCO = 5 V

0.075

0.070

0.065

0.060

0.055

0.050

0.045

0.040

0.035

0.030

0.025

3.5

4.0

5.0

6.0

7.0

8.0

4.5

5.5

6.5

7.5

8.5

FREQUENCY (GHz)

Figure 23. RMS Jitter Integrated from 1 kHz to 100 MHz, Fractional-N,

fPFD = 153.6 MHz, VCC_VCO = 3.3 V

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