ADF4154

Rev. 0 | Page 8 of 20

PHASE DETECTOR FREQUENCY (kHz)

–130

–140

–150

–160

–170

100

1000

10000

100000

Figure 11. PFD Noise Floor vs. PFD Frequency (Lowest Noise Mode)

FREQUENCY (GHz)

5

0

–5

–10

–20

–15

–25

–30

–35

0

0.5

1.0

1.5

4.0

3.5

3.0

2.5

2.0

4.5

P = 4/5

P = 8/9

Figure 12. RF Input Sensitivity

6

0

–6

4

2

–2

–4

–5

–3

–1

1

3

5

012345

Figure 13. Charge Pump Output Characteristics

–80

–85

–110

03

30

25

20

15

10

5

–90

–95

5

–105

–100

TEMPERATURE(°C)

–90

–94

–104

–60

100

–40

–20

0

20

40

60

–96

–98

–92

–102

–100

80

Figure 15. Phase Noise vs. Temperature

TIME (

µs)

100

0

1020304050

6065758595

1.700

1.696

1.692

1.688

1.684

1.680

1.676

1.672

1.668

1.664

1.660

1.656

1.652

1.648

1.644

1.640

A

B

Figure 16. A) Lock Time in Fast-lock Mode. Fast Counter = 150, Low Spur

Mode: a 1649.7 MHz to 1686.8 MHz Frequency Jump.

Final Loop Bandwidth = 60 kHz

B) Lock Time with the PLL in Normal Mode (Non Fast-lock), Low Spur Mode, a

1649.7 MHz to 1686.8 MHz Frequency Jump. Final Loop Bandwidth = 60 kHz