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RFM119SW датащи(PDF) 7 Page - HOPE Microelectronics CO., Ltd. |
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RFM119SW датащи(HTML) 7 Page - HOPE Microelectronics CO., Ltd. |
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7 / 19 page ![]() RFM119W/RFM119SW Rev 1.0 | Page 7 /19 www.hoperf.com W E-mail:sales@hoperf.com 3. Typical Performance Characteristics Phase Noise @ 433.92 MHz 20 13.4 dBm 10 @ 433.92 MHz 0 Phase Noise @ 868.35 MHz 15 13.0 dBm @ 868.35 MHz 5 ‐5 ‐10 ‐15 ‐20 ‐25 ‐30 ‐40 ‐50 ‐60 ‐56.7 dBm @ 435.12 MHz ‐35 ‐45 ‐55 -55.9 dBm @ 869.55 MHz ‐70 432.42 432.67 432.92 433.17 433.42 433.67 433.92 434.17 434.42 434.67 434.92 435.17 435.42 Frequency (MHz) (RBW=10 kHz) ‐65 866.85 867.1 867.35 867.6 867.85 868.1 868.35 868.6 868.85 869.1 869.35 869.6 869.85 Frequency (MHz) (RBW = 10 kHz) Figure 3. Phase Noise, FRF = 433.92 MHz, POUT = +13 dBm, Unmodulated Figure 4. Phase Noise, FRF = 868.35 MHz, POUT = +13 dBm, Unmodulated OOK Spectrum, SR = 9.6 ksps 10 FSK vs. GFSK 20 10 0 ‐10 ‐20 0 -10 -20 FSK GFSK ‐30 -30 ‐40 -40 ‐50 433.18 433.37 433.55 433.74 433.92 434.11 434.29 434.48 434.66 Frequency (MHz) -50 433.62 433.72 433.82 433.92 434.02 434.12 434.22 Frequency (MHz) Figure 5. OOK Spectrum, SR = 9.6 ksps, POUT = +10 dBm, tRAMP = 32 us Figure 6. FSK/GFSK Spectrum, SR = 9.6 ksps, FDEV = 15 kHz Spectrum of Various PA Ramping Options 10 POUT vs. VDD 14 0 ‐10 ‐30 ‐40 1024 us 512 us 256 us 128 us 64 us 32 us 12 SR = 1.2 ksps 10 8 4 2 0 0 dBm +10 dBm +13 dBm ‐50 433.17 433.37 433.57 433.77 433.97 434.17 434.37 434.57 Frequency (MHz) ‐2 1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 Supply Voltage VDD (V) Figure 7. Spectrum of PA Ramping, SR = 1.2 ksps, POUT = +10 dBm Figure 8. Output Power vs. Supply Voltages, FRF = 433.92 MHz |
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