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ADL5387ACPZ-R71 数据表(PDF) 8 Page - Analog Devices |
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ADL5387ACPZ-R71 数据表(HTML) 8 Page - Analog Devices |
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8 / 28 page ![]() ADL5387 Rev. 0 | Page 8 of 28 20 15 10 5 0 –6 –5 –4 –3 –2 –1 0123456 80 65 50 35 20 LO LEVEL (dBm) INPUT IP2, Q CHANNEL INPUT P1dB GAIN INPUT IP3 NOISE FIGURE INPUT IP2, I CHANNEL Figure 9. Conversion Gain, Noise Figure, IIP3, IIP2, and IP1dB vs. LO Level, fRF = 140 MHz 32 28 24 20 16 12 8 1 10 100 195 135 145 155 165 175 185 RBIAS (kΩ) INPUT IP3 NOISE FIGURE SUPPLY CURRENT TA = +85°C TA = +25°C TA = –40°C Figure 10. Noise Figure, IIP3, and Supply Current vs. RBIAS, fRF = 140 MHz 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 11. 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 0123456 80 65 50 35 20 LO LEVEL (dBm) INPUT IP2, I CHANNEL INPUT P1dB GAIN INPUT IP3 NOISE FIGURE INPUT IP2, Q CHANNEL Figure 12. Conversion Gain, Noise Figure, IIP3, IIP2, and IP1dB vs. LO Level, fRF = 900 MHz 32 28 24 20 16 12 8 110 RBIAS (kΩ) 100 INPUT IP3 NOISE FIGURE TA = +85°C TA = +25°C TA = –40°C Figure 13. IIP3 and Noise Figure vs. RBIAS, fRF = 900 MHz 80 70 60 50 40 30 20 10 0 110 RBIAS (kΩ) 100 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 14. Conversion Gain, IP1dB, IIP2 I Channel, and IIP2 Q Channel vs. RBIAS |
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