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ADRF6604ACPZ-R7 数据表(PDF) 14 Page - Analog Devices |
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ADRF6604ACPZ-R7 数据表(HTML) 14 Page - Analog Devices |
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14 / 32 page  ADRF6604 Data Sheet Rev. B | Page 14 of 32 Measured at IF output, CDAC = 0xC, IP3SET = open, internally generated high-side LO, fREF = 153.6 MHz, fPFD = 38.4 MHz, RFIN = −5 dBm, fIF = 140 MHz, unless otherwise noted. Phase noise measurements made at LO output, unless otherwise noted. –70 –80 –90 –100 –110 –120 –130 –140 –150 –160 1k 1M 10M 100M 1G OFFSET FREQUENCY (Hz) LO FREQUENCY = 2883.2MHz LO FREQUENCY = 2537.6MHz TA = +85°C TA = +25°C TA = –40°C Figure 32. Phase Noise vs. Offset Frequency –70 –75 –80 –85 –90 –95 –100 –105 –110 2500 2550 2600 2650 2700 2750 2800 2850 2900 LO FREQUENCY (MHz) OFFSET AT 2× PFD OFFSET AT 4× PFD TA = +85°C TA = +25°C TA = –40°C Figure 33. PLL Reference Spurs vs. LO Frequency (2× PFD and 4× PFD) –70 –75 –80 –85 –90 –95 –100 –105 –110 2500 2550 2600 2650 2700 2750 2800 2850 2900 LO FREQUENCY (MHz) OFFSET AT 3× PFD OFFSET AT 1× PFD TA = +85°C TA = +25°C TA = –40°C OFFSET AT 0.25× PFD Figure 34. PLL Reference Spurs vs. LO Frequency (0.25× PFD, 1× PFD, and 3× PFD) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 2500 2550 2600 2650 2700 2750 2800 2850 2900 LO FREQUENCY (MHz) TA = +85°C TA = +25°C TA = –40°C Figure 35. Integrated Phase Noise vs. LO Frequency –80 –90 –100 –110 –120 –130 –140 –150 2500 2550 2600 2650 2700 2750 2800 2850 2900 LO FREQUENCY (MHz) OFFSET = 1kHz OFFSET = 100kHz OFFSET = 5MHz TA = +85°C TA = +25°C TA = –40°C Figure 36. Phase Noise vs. LO Frequency (1 kHz, 100 kHz, and 5 MHz Steps) –80 –85 –90 –95 –100 –105 –110 –115 –120 –125 –130 2500 2550 2600 2650 2700 2750 2800 2850 2900 LO FREQUENCY (MHz) OFFSET = 10kHz OFFSET = 1MHz TA = +85°C TA = +25°C TA = –40°C Figure 37. Phase Noise vs. LO Frequency (10 kHz, 1 MHz Steps) |
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