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ADF4156BRUZ Fiches technique(PDF) 7 Page - Analog Devices |
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ADF4156BRUZ Fiches technique(HTML) 7 Page - Analog Devices |
7 / 24 page ADF4156 Rev. 0 | Page 7 of 24 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 –40 09 FREQUENCY (GHz) 5 0 –5 –10 –15 –20 –25 –30 –35 12 3456 78 P= 4/5 P= 8/9 Figure 5. RF Input Sensitivity 0 1k 100M FREQUENCY (Hz) –20 –40 –60 –80 –100 –120 –140 –160 –180 10k 100k 1M 10M LOW NOISE MODE RF = 5800.25MHz, PFD = 25MHz, N = 232, FRAC = 2, MOD = 200, 20kHz LOOP BW, ICP = 313µA, DSB INTEGRATED PHASE ERROR = 0.73° RMS, PHASE NOISE @ 5kHz = –89.5dBc/Hz, ZCOMM V940ME03 VCO Figure 6. Phase Noise and Spurs, Low Noise Mode 0 1k 100M FREQUENCY (Hz) –20 –40 –60 –80 –100 –120 –140 –160 –180 10k 100k 1M 10M LOW SPUR MODE RF = 5800.25MHz, PFD = 25MHz, N = 232, FRAC = 2, MOD = 200, 20kHz LOOP BW, ICP = 313µA, DSB INTEGRATED PHASE ERROR = 1.09° RMS, PHASE NOISE @ 5kHz = –83dBc/Hz, ZCOMM V940ME03 VCO 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.) 6.00 5.65 –100 900 TIME (µs) 5.95 5.90 5.85 5.80 5.75 5.70 0 100 200 300 400 500 600 700 800 CSR OFF CSR ON Figure 8. Lock Time for 200 MHz Jump from 5705 MHz to 5905 MHz with CSR On and Off 5.65 5.60 5.95 5.90 5.85 5.80 5.75 5.70 –100 900 TIME (µs) 0 100 200 300 400 500 600 700 800 CSR ON CSR OFF Figure 9. Lock Time for 200 MHz Jump from 5905 MHz to 57905 MHz with CSR On and Off VCP (V) 6 0 –6 4 2 –2 –4 –5 –3 –1 1 3 5 012 345 Figure 10. Charge Pump Output Characteristics |
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