ADRF6720ACPZ-R7 datasheet(15/44 Pages) AD

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Data Sheet

ADRF6720

Figure 28. Integrated Phase Noise with Spurs vs. LO Frequency and

Temperature

Figure 29. Open-Loop VCO Phase Noise for VCO 0 Measured at 2300.22 MHz,

2579.83 MHz, and 2860.8 MHz (VCO ÷ 2)

Figure 30. Open-Loop VCO Phase Noise for VCO 2 Measured at 1750.48 MHz,

1882.97 MHz, and 2010.75 MHz (VCO ÷ 2)

Figure 31. VTUNE vs. VCO Frequency and Temperature

Figure 32. Open-Loop VCO Phase Noise for VCO 1 Measured at 2009.22 MHz,

2156.06 MHz, and 2300.78 MHz (VCO ÷ 2)

Figure 33. Open-Loop VCO Phase Noise for VCO 3 Measured at 1425.29 MHz,

1587.28 MHz, and 1751.47 MHz (VCO ÷ 2)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

700

1200

1700

2200

2700

LO FREQUENCY (MHz)

TA = –40°C

TA = +25°C

TA = +85°C

–160

–140

–120

–100

–80

–60

–40

10k

100k

10M

100M

FREQUENCY (Hz)

2860.8MHz

2579.83MHz

2300.22MHz

10k

100k

10M

100M

FREQUENCY (Hz)

–160

–140

–120

–100

–80

–60

–40

2010.75MHz

1882.97MHz

1750.48MHz

0.8

1.0

1.2

1.4

1.6

1.8

2.2

2.4

2.6

2.8

2800

3300

3800

4300

4800

5300

5800

VCO FREQUENCY (MHz)

TA = –40°C

TA = +25°C

TA = +85°C

–160

–140

–120

–100

–80

–60

–40

10k

100k

10M

100M

FREQUENCY (Hz)

2300.78MHz

2156.06MHz

2009.22MHz

–160

–140

–120

–100

–80

–60

–40

10k

100k

10M

100M

FREQUENCY (Hz)

1751.47MHz

1587.28MHz

1425.29MHz

Rev. 0 | Page 15 of 44

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