adf4212l Analog Devices, Inc., adf4212l Datasheet - Page 7

• Manufacturer Part Number: adf4212l
• Description: Dual Low Power Pll Frequency Synthesizer
• Manufacturer: Analog Devices, Inc.

REV. A
TPC 8. Integrated Phase Noise (540 MHz, 200 kHz/20 kHz)
TPC 9. Phase Noise Referred to CP Output vs.
PFD Frequency, RF Side
–100
–110
–120
–130
–140
–150
–50
–60
–70
–80
–90
–100
–130
–140
–150
–160
–170
–180
–10
–20
–30
–40
–50
–60
–70
–80
–90
100Hz
TPC 7. Reference Spurs, IF Side (540 MHz,
200 kHz, 20 kHz)
0
10dB/DIV
10
–400k
REFERENCE
LEVEL = –7.0dBm
R
PHASE DETECTOR FREQUENCY – kHz
L
= –50dBc/Hz
–200k
FROM 540MHz CARRIER
FREQUENCY OFFSET
100
FREQUENCY – Hz
540M
0.83 DEGREES
rms NOISE =
V
I
PFD FREQUENCY = 200kHz
LOOP BANDWIDTH = 20kHz
RES. BANDWIDTH = 1Hz
VIDEO BANDWIDTH = 1Hz
SWEEP = 2.5 SECONDS
AVERAGES = 20
CP
DD
= 5mA
= 3V, V
1000
200k
P
–89.3dBc
= 5V
0.83 rms
V
V
DD
P
= 5V
400k
= 3V
1MHz
10000
–7–
–130
–140
–150
–160
–170
–180
TPC 11. RF Charge Pump Output Characteristics
TPC 10. Phase Noise Referred to CP Output vs.
PFD Frequency, IF Side
TPC 12. IF Charge Pump Output Characteristics
–2
–4
–6
–2
–4
–6
6
4
2
0
6
4
2
0
10
0
0
PHASE DETECTOR FREQUENCY – kHz
1
1
100
2
2
V
V
CP
CP
– V
– V
3
3
1000
ADF4212L
4
4
V
V
DD
V
V
P
DD
P
= 5V
2 = 5.5V
= 3V
= 3V
10000
5
5