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ADF4206BRUZ-R7 Datasheet(PDF) 9 Page - Analog Devices |
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ADF4206BRUZ-R7 Datasheet(HTML) 9 Page - Analog Devices |
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9 / 24 page ![]() ADF4206/ADF4208 Rev. A | Page 9 of 24 FREQUENCY (Hz) 400k –400k –200k 900M 200k 0 –90 –80 –70 –60 –30 –20 –50 –40 –10 –100 VDD = 3V, VP = 5V ICP = 5mA PFD FREQUENCY = 200kHz LOOP BANDWIDTH = 35kHz RES. BANDWIDTH = 1kHz VIDEO BANDWIDTH = 1kHz SWEEP = 2.5 SECONDS AVERAGES = 30 –89.3dBc REFERENCE LEVEL = –4.2dBm Figure 11. ADF4208 RF1 Reference Spurs (900 MHz, 200 kHz, 35 kHz) FREQUENCY (Hz) 400 –400 –200 1750M 200 0 –90 –80 –70 –60 –30 –20 –50 –40 –10 –100 VDD = 3V, VP = 5V ICP = 5mA PFD FREQUENCY = 30kHz LOOP BANDWIDTH = 3kHz RES. BANDWIDTH = 10kHz VIDEO BANDWIDTH = 10kHz SWEEP = 477ms AVERAGES = 10 –75.2dBc/Hz REFERENCE LEVEL = –8.0dBm Figure 12. ADF4208 RF1 Phase Noise (1750 MHz, 30 kHz, 3 kHz) FREQUENCY OFFSET FROM 1750MHz CARRIER –40 z H M 1 z H 0 0 1 –50 –60 –70 –80 –90 –100 –110 –120 –130 –140 1kHz 10kHz 100kHz 1.6 rms 10dB/DIVISION RL = –40dBc/Hz Figure 13. ADF4208 RF1 Integrated Phase Noise (1750 MHz, 30 kHz, 3 kHz) FREQUENCY (Hz) 80k –400k –200k 1750M 40k 0 –90 –80 –70 –60 –30 –20 –50 –40 –10 –100 VDD = 3V, VP = 5V ICP = 5mA PFD FREQUENCY = 30kHz LOOP BANDWIDTH = 3kHz RES. BANDWIDTH = 3Hz VIDEO BANDWIDTH = 3Hz SWEEP = 255 SECONDS POSITIVE PEAK DETECT MODE –79.6dBc REFERENCE LEVEL = –5.7dBm Figure 14. ADF4208 RF1 Reference Spurs (1750 MHz, 30 kHz, 3 kHz) –120 –130 –140 –150 –160 –170 –180 1 100 1000 10000 10 PHASE DETECTOR FREQUENCY (kHz) VDD = 3V VP = 5V ADF4206 ADF4208 Figure 15. ADF4208 RF1 Phase Noise vs. PFD Frequency TEMPERATURE (°C) 100 –40 0 20 40 60 80 –100 –70 –80 –90 –60 –20 VDD = 3V VP = 3V Figure 16. ADF4208 RF1 Phase Noise vs. Temperature (900 MHz, 200 kHz, 20 kHz) |
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