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AD8342ACPZ-R2 数据表(PDF) 11 Page - Analog Devices |
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AD8342ACPZ-R2 数据表(HTML) 11 Page - Analog Devices |
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11 / 20 page ![]() AD8342 Rev. 0 | Page 11 of 20 60 0 100 550 RF FREQUENCY (MHz) 50 40 30 20 10 IF = 10MHz IF = 140MHz IF = 90MHz IF = 48MHz 150 200 250 300 350 400 450 500 Figure 21. Input IP2 vs. RF Frequency (Second RF = R F - 50 MHz) 60 40 58 56 54 52 50 48 46 44 42 –15 5 LO LEVEL (dBm) –13 –11 –9 –7 –5 –3 –1 1 3 IF = 10MHz IF = 48MHz IF = 90MHz IF = 140MHz Figure 22. Input IP2 vs. LO Level, fRF = 238 MHz, ,fRF2 =188MHz 14.0 11.0 50 550 RF FREQUENCY (MHz) 13.5 13.0 12.5 12.0 11.5 100 150 200 250 300 350 400 450 500 Figure 23. Noise Figure vs. RF Frequency, IF Frequency = 48 MHz 60 0 10 IF FREQUENCY (MHz) 50 40 30 20 10 50 100 150 200 250 300 350 RF = 238MHz RF = 460MHz Figure 24. Input IP2 vs. IF Frequency (Second RF = R F - 50 MHz) 60 40 58 56 54 52 50 48 46 44 42 VPOS (V) 4.75 5.25 4.85 4.95 5.05 5.15 Figure 25. Input IP2 vs. Vpos, fRF1 = 238 MHz, fRF2 = 188 MHz, fLO = 286 MHz 16 0 10 IF FREQUENCY (MHz) 14 12 10 8 6 4 2 60 110 160 210 260 310 RF = 460MHz RF = 238MHz Figure 26. Noise Figure vs. IF Frequency |
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