Datasheet

ADF4007 Data Sheet
Rev. B | Page 8 of 16
–40
–35
–30
–25
–20
–15
–10
–5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5
V
DD
= 3V
V
P
= 3V
RF INPUT FREQUENCY (GHz)
RF INPUT POWER (dBm)
0
T
A
= +85°C
T
A
= +25°C
T
A
= –40°C
04537-003
Figure 3. Input Sensitivity
0
–60
–2k
–10
–50
–70
–90
–30
–40
–80
–20
2k6780M–1k 1k
–100
V
DD
= 3V, V
P
= 5V
I
CP
= 5mA
PFD FREQUENCY = 106kHz
LOOP BANDWIDTH = 1MHz
RES BANDWIDTH = 10Hz
VIDEO BANDWIDTH = 10Hz
SWEEP = 1.9s
AVERAGES = 10
–99dBc/Hz
FREQUENCY (Hz)
OUTPUT POWER (dB)
REF LEVEL = –14.3dBm
04537-005
Figure 4. Phase Noise (6.78 GHz RF
OUT
, 106 MHz PFD, and 1 MHz Loop
Bandwidth)
10k 100M
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
–140
FREQUENCY OFFSET FROM CARRIER (Hz)
PHASE NOISE (dBc/Hz)
10dB/DIV
R
L
= –40dBc/Hz
RMS NOISE = 4.2°
04537-006
100k 1M 10M
Figure 5. Integrated Phase Noise (6.78 GHz RF
OUT
, 106 MHz PFD, and 1 MHz
Loop Bandwidth)
0
–60
–10
–50
–70
–90
–30
–40
–80
–20
–100
OUTPUT POWER (dB)
REF LEVEL = –14.0dBm
–212
212
6780–106
106
FREQUENCY (MHz)
V
DD
= 3V, V
P
= 5V
I
CP
= 5mA
PFD FREQUENCY = 106MHz
LOOP BANDWIDTH = 1MHz
RES BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 2.5s
AVERAGES = 30
–91.0dBc/Hz
04537-007
Figure 6. Reference Spurs (6.78 GHz RF
OUT
, 106 MHz PFD, and 1 MHz Loop
Bandwidth)
–120
–130
–180
10k
120M
100k 1M 10M
–140
–150
–160
–170
PHASE DETECTOR FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
V
DD
= 3V
V
P
= 5V
04537-013
Figure 7. Phase Noise (Referred to CP Output) vs. PFD Frequency
–6
–5
6
0 2.00.5 1.0 1.5
–4
–3
–2
–1
V
CP
(V)
I
CP
(mA)
0
1
2
3
4
5
4.02.5 3.0 3.5
5.04.5
V
P
= 5V
I
CP
= 5mA
04537-014
Figure 8. Charge Pump Output Characteristics