adf5001 Analog Devices, Inc., adf5001 Datasheet - Page 6

• Manufacturer Part Number: adf5001
• Description: 4 Ghz To 18 Ghz Divide-by-4 Prescaler
• Manufacturer: Analog Devices, Inc.

ADF5001
TYPICAL PERFORMANCE CHARACTERISTICS
–10
–15
–20
–25
–30
–35
–40
–10
–20
–30
–40
–50
–60
–5
20
18
16
14
12
10
0
0
8
6
4
2
0
2.0
1.5
0
ROOM TEMPERATURE
VDD1 = VDD2 = 3.3V
Figure 5. RF Output Power (Single-Ended) vs. VDDx
IDD1
IDD2
2.2
Figure 4. IDD1 and IDD2 vs. VDDx
5
2.0
Figure 3. RF Input Sensitivity
2.4
FREQUENCY (GHz)
2.6
10
VDDx (V)
VDDx (V)
2.5
2.8
15
3.0
3.0
3.2
20
3.4
3.5
3.6
25
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Figure 7. Phase Noise Plot of 20 GHz PLL Output Using the ADF5001 Prescaler
–100
–120
–140
–160
–180
–10
–20
–30
–40
–50
–60
–60
–80
0
2.0
10k
REF
PFD = 25MHz
VCO OUTPUT = 21.0GHz
PRESCALAR = 16/17, A = 2, B = 13
2.2
Figure 6. RF Output Harmonic Content
IN
= 100MHz (SMA100A)
and ADF4106 Synthesizer ICs
100k
2.4
OFFSET FREQUENCY (Hz)
P1
P3
P4
P2
2.6
VDDx (V)
2.8
1M
3.0
10M
3.2
3.4
100M
3.6