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ADRF6820ACPZ-R7 数据表(PDF) 12 Page - Analog Devices |
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ADRF6820ACPZ-R7 数据表(HTML) 12 Page - Analog Devices |
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12 / 45 page ![]() ADRF6820 Data Sheet Rev. C | Page 12 of 45 –120 –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 LO FREQUENCY (GHz) TA = –40°C TA = +25°C TA = +85°C Figure 21. 1× PFD Spurs vs. LO Frequency, Measured with DIV4_EN = 1 (Divide by 2) –120 –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 TA = –40°C TA = +25°C TA = +85°C 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 LO FREQUENCY (GHz) Figure 22. 2× PFD Spurs vs. LO Frequency, Measured with DIV4_EN = 1 (Divide by 2) –115 –110 –105 –100 –95 –90 –85 –80 –75 –70 –65 –60 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 LO FREQUENCY (GHz) TA = –40°C TA = +25°C TA = +85°C Figure 23. 3× PFD Spurs vs. LO Frequency, Measured with DIV4_EN = 1 (Divide by 2) 0 50 100 150 200 250 300 350 400 640 1140 1640 2140 2640 LO FREQUENCY (MHz) EXTERNAL LO INTERNAL LO TA = –40°C TA = +25°C TA = +85°C Figure 24. VPOS_3P3 Power Supply Current vs. LO Frequency –30 –25 –20 –15 –10 –5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 FREQUENCY (GHz) CIN = 0, COUT = 0 CIN = 1, COUT = 1 CIN = 2, COUT = 2 CIN = 3, COUT = 3 CIN = 4, COUT = 4 CIN = 5, COUT = 5 CIN = 6, COUT = 6 CIN = 7, COUT = 7 Figure 25. RFIN0/RFIN1 Return Loss for Multiple BAL_CIN and BAL_COUT Combinations –35 –30 –25 –20 –15 –10 –5 0 FREQUENCY (GHz) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Figure 26. Return Loss of Unused RFINx Port vs. Frequency |
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