EV-ADF4157SD1Z 데이터 시트보기 (PDF) - Analog Devices
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EV-ADF4157SD1Z Datasheet PDF : 24 Pages
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ADF4157
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
PFD = 25 MHz, loop bandwidth = 20 kHz, reference = 100 MHz, ICP = 313 μA, phase noise measurements taken on the Agilent E5052A
phase noise system.
10
6.00
5
0
–5
–10
P = 4/5
–15
P = 8/9
–20
–25
–30
–35
–40
0
1
2
3
4
5
6
7
8
9
FREQUENCY (GHz)
Figure 5. RF Input Sensitivity
5.95
CSR ON
5.90
5.85
CSR OFF
5.80
5.75
5.70
5.65
–100 0 100 200 300 400 500 600 700 800 900
TIME (µs)
Figure 8. Lock Time for 200 MHz Jump from 5705 MHz to 5905 MHz
with CSR On and Off
0
VDD = 3V
5.95
–5
5.90
–10
5.85
CSR OFF
–15
5.80
–20
5.75
–25
5.70
–30
CSR ON
–35
5.65
–40
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 6. Reference Input Sensitivity
0
RF = 5800.25MHz, PFD = 25MHz, N = 232,
FRAC = 335544, FREQUENCY RESOLUTION = 0.74Hz,
–20 20kHz LOOP BW, ICP = 313µA, DSB INTEGRATED PHASE
ERROR = 0.97° RMS, PHASE NOISE @ 2kHz = –87dBc/Hz.
–40
–60
5.60
–100 0 100 200 300 400 500 600 700 800 900
TIME (µs)
Figure 9. Lock Time for 200 MHz Jump from 5905 MHz to 5705 MHz
with CSR On and Off
6
4
2
–80
0
–100
–2
–120
–4
–140
–160
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 7. Phase Noise and Spurs
(Note that the 250 kHz spur is an integer boundary spur; see the Spur
Mechanisms section for more information.)
–6
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VCP (V)
Figure 10. Charge Pump Output Characteristics, Pump Up and Pump Down
Rev. D | Page 8 of 24
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