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ADL5387ACPZ-R7 数据表(PDF) 9 Page - Analog Devices |
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ADL5387ACPZ-R7 数据表(HTML) 9 Page - Analog Devices |
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9 / 27 page ![]() Data Sheet ADL5387 Rev. C | Page 9 of 27 25 20 15 10 5 0 –30 5 0 –5 –10 –15 –20 –25 RF BLOCKER INPUT POWER (dBm) RBIAS = 100kΩ RBIAS = 10kΩ RBIAS = 4kΩ RBIAS = 1.4kΩ Figure 15. Noise Figure vs. Input Blocker Level, fRF = 900 MHz (RF Blocker 5 MHz Offset) 20 15 10 5 0 –6 –5 –4 –3 –2 –1 01234 56 80 65 50 35 20 LO LEVEL (dBm) INPUT IP2, I CHANNEL INPUT P1dB GAIN INPUT IP3 NOISE FIGURE INPUT IP2, Q CHANNEL Figure 16. Conversion Gain, Noise Figure, IIP3, IIP2, and IP1dB vs. LO Level, fRF = 900 MHz 32 28 24 20 16 12 8 1 10 100 RBIAS (kΩ) INPUT IP3 NOISE FIGURE TA = +85°C TA = +25°C TA = –40°C Figure 17. IIP3 and Noise Figure vs. RBIAS, fRF = 900 MHz 80 70 60 50 40 30 20 10 0 1 10 100 RBIAS (kΩ) 140MHz: GAIN 140MHz: IP1dB 140MHz: IIP2, I CHANNEL 140MHz: IIP2, Q CHANNEL 450MHz: GAIN 450MHz: IP1dB 450MHz: IIP2, I CHANNEL 450MHz: IIP2, Q CHANNEL Figure 18. Conversion Gain, IP1dB, IIP2 I Channel, and IIP2 Q Channel vs. RBIAS 35 30 25 20 15 10 5 050 45 40 35 30 25 20 15 10 5 80 50 55 60 65 70 75 BB FREQUENCY (MHz) TA = +85°C TA = +25°C TA = –40°C IIP3 IP1dB INPUT IP2, Q CHANNEL INPUT IP2, I CHANNEL Figure 19. IIIP3, IIP2, IP1dB vs. Baseband Frequency 0 –10 –20 –30 –40 –50 –60 –70 –80 0 2000 1800 1600 1400 1200 1000 800 600 400 200 INTERNAL 1xLO FREQUENCY (MHz) 1xLO (INTERNAL) 2xLO (EXTERNAL) Figure 20. LO-to-BB Feedthrough vs. 1xLO Frequency (Internal LO Frequency) |
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