ADF4360-8 데이터 시트보기 (PDF) - Analog Devices
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ADF4360-8 Datasheet PDF : 24 Pages
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ADF4360-8
TYPICAL PERFORMANCE CHARACTERISTICS
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100
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FREQUENCY OFFSET (Hz)
Figure 4. Open-Loop VCO Phase Noise, L1, L2 = 560 nH
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FREQUENCY OFFSET (Hz)
Figure 5. VCO Phase Noise, 65 MHz, 1 MHz PFD, 100 kHz Loop Bandwidth
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VDD = 3.3V, VVCO = 3.3V
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REFERENCE
ICP = 2.5mA
LEVEL = –2.5dBm PFD FREQUENCY = 1MHz
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LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 30Hz
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VIDEO BANDWIDTH = 30Hz
SWEEP = 1.9SECONDS
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AVERAGES = 20
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–107.4dBc/Hz
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–2kHz
–1kHz
65MHz
1kHz
2kHz
Figure 6. Close-In Phase Noise at 65 MHz (1 MHz Channel Spacing)
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–1.1MHz
REFERENCE
LEVEL = –2.5dBm
VDD = 3.3V, VVCO = 3.3V
ICP = 2.5mA
PFD FREQUENCY = 1MHz
LOOP BANDWIDTH = 100kHz
RES. BANDWIDTH = 1kHz
VIDEO BANDWIDTH = 1kHz
SWEEP = 4.2SECONDS
AVERAGES = 20
–84dBc
–0.55MHz
65MHz
0.55MHz
1.1MHz
Figure 7. Reference Spurs at 65 MHz
(1 MHz Channel Spacing, 100 kHz Loop Bandwidth)
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FREQUENCY OFFSET (Hz)
Figure 8. Open-Loop VCO Phase Noise, L1, L2 = 110 nH
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100
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1M
10M
FREQUENCY OFFSET (Hz)
Figure 9. VCO Phase Noise, 160 MHz, 1 MHz PFD, 100 kHz Loop Bandwidth
Rev. A | Page 8 of 24
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