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RF--35 数据表(PDF) 12 Page - Freescale Semiconductor, Inc |
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RF--35 数据表(HTML) 12 Page - Freescale Semiconductor, Inc |
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12 / 20 page ![]() 12 RF Device Data Freescale Semiconductor, Inc. MRF6VP3091NR1 MRF6VP3091NR5 MRF6VP3091NBR1 MRF6VP3091NBR5 TYPICAL CHARACTERISTICS — 470--860 MHz BROADBAND REFERENCE CIRCUIT 26 10 70 f, FREQUENCY (MHz) Figure 23. Single--Carrier DVB--T (8k OFDM) Power Gain and Drain Efficiency versus Frequency (Broadband Reference Circuit) 450 50 40 30 20 Gps ηD 60 Pout =4.5 W 9W VDD =50 Vdc,IDQ = 450 mA, DVB--T (8k OFDM) 64 QAM Data Carrier Modulation, 5 Symbols 24 22 20 18 16 14 500 550 600 650 700 750 800 850 900 18 W 4.5 W 9W 18 W 12 --50 10 f, FREQUENCY (MHz) Figure 24. Single--Carrier DVB--T (8k OFDM) Output PAR and IMD Shoulder versus Frequency (Broadband Reference Circuit) 450 --10 --20 --30 --40 0 Pout =4.5 W 9W VDD =50 Vdc,IDQ = 450 mA, DVB--T (8k OFDM) 64 QAM Data Carrier Modulation, 5 Symbols 10 8 6 4 2 0 500 550 600 650 700 750 800 850 900 18 W 4.5 W 9W 18 W (1) Intermodulation distortion shoulder measurement made using delta marker at 4.2 MHz offset from center frequency. 26 20 80 Pout, OUTPUT POWER (WATTS) PULSED Figure 25. Pulsed Power Gain and Drain Efficiency versus Output Power (Broadband Reference Circuit) 0 60 50 40 30 Gps ηD 70 VDD =50 Vdc,IDQ = 450 mA Pulse Width = 100 μsec, 10% Duty Cycle 24 22 20 18 16 14 20 40 60 80 100 120 140 160 470 MHz 600 MHz 750 MHz 750 MHz 600 MHz 470 MHz 860 MHz 860 MHz PAR IMD(1) |
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