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ADF4156BRUZ-RL View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
ADF4156BRUZ-RL 6 GHz Fractional-N Frequency Synthesizer ADI
Analog Devices ADI
ADF4156BRUZ-RL Datasheet PDF : 24 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADF4156
TYPICAL PERFORMANCE CHARACTERISTICS
PFD = 25 MHz, loop bandwidth = 20 kHz, reference = 100 MHz, ICP = 313 μA, phase noise measurements taken on the Agilent E5500
phase noise system.
10
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
6.00
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
LOW NOISE MODE
–20 RF = 5800.25MHz, PFD = 25MHz, N = 232,
FRAC = 2, MOD = 200, 20kHz LOOP BW, ICP = 313µA,
–40
–60
–80
5.95
5.90
5.85
CSR OFF
5.80
–100
–120
–140
DSB INTEGRATED PHASE ERROR = 0.73° RMS,
–160 PHASE NOISE @ 5kHz = –89.5dBc/Hz,
ZCOMM V940ME03 VCO
–180
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 6. Phase Noise and Spurs, Low Noise Mode
100M
5.75
5.70
CSR ON
5.65
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 57905 MHz
with CSR On and Off
0
LOW SPUR MODE
–20 RF = 5800.25MHz, PFD = 25MHz, N = 232, FRAC = 2,
MOD = 200, 20kHz LOOP BW, ICP = 313µA,
DSB INTEGRATED PHASE ERROR = 1.09° RMS,
–40 PHASE NOISE @ 5kHz = –83dBc/Hz, ZCOMM V940ME03 VCO
–60
–80
–100
–120
–140
–160
–180
1k
10k
100k
1M
10M
100M
FREQUENCY (Hz)
Figure 7. Phase Noise and Spurs, Low Spur Mode.
(Note that fractional spurs are removed and only
the integer boundary spur remains in low spur mode.)
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
0
1
2
3
4
5
VCP (V)
Figure 10. Charge Pump Output Characteristics
Rev. 0 | Page 7 of 24
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