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ADF7023-J Datasheet(PDF) 25 Page - Analog Devices |
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ADF7023-J Datasheet(HTML) 25 Page - Analog Devices |
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25 / 100 page  ADF7023-J Rev. 0 | Page 25 of 100 6 –6 –4 –2 0 2 4 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 INPUT POWER (dBm) 300kbps 200kbps 150kbps 100kbps 50kbps 38.4kbps 9.6kbps –1 1 01 23 456 78 9 SAMPLE NUMBER Figure 44. Receiver Eye Diagram Measured Using the Test DAC, RF Frequency = 915 MHz, RF Input Power = −80 dBm, Data Rate = 100 kbps, Frequency Deviation = 50 kHz Figure 41. Mean RSSI Error (via Automatic End of Packet RSSI Measurement) vs. RF Input Power vs. Data Rate; RF Frequency = 950 MHz, GFSK, 100 RSSI Measurements at Each Input Power Level –90 –91 –92 –93 –94 –95 –96 –97 –98 –99 –100 –101 –102 –103 –104 –105 –106 –107 –108 –109 –110 220 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 3.2 3.6 4.0 MODULATION INDEX IFBW = 100kHz IFBW = 200kHz DISC BW (kHz) –20 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 10 –10 –8 –6 –4 –2 0 2 4 6 8 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 INPUT POWER (dBm) IDEAL RSSI MEAN RSSI MEAN RSSI (WITH POLYNOMIAL CORRECTION) MEAN RSSI ERROR MEAN RSSI ERROR (WITH POLYNOMIAL CORRECTION) Figure 45. Rx Sensitivity vs. Modulation Index, Data Rate = 50 kbps, MOD = GFSK, FDEV = ±(MI × 2 5 kHz), Data = PRBS9, BER = 1E − 3, Bits = 1E + 6, VBAT = 3.0 V, Temperature = 25°C Figure 42. RSSI With and Without Cosine Polynomial Correction (via Automatic End of Packet RSSI Measurement), 100 RSSI Measurements at Each Input Power Level –90 –91 –92 –93 –94 –95 –96 –97 –98 –99 –100 –101 –102 –103 –104 –105 –106 –107 –108 –109 –110 220 230 240 210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 MODULATION INDEX IFBW = 100kHz IFBW = 200kHz DISC BW (kHz) 90 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 –40 –30 –20 –10 0 10 20 30 40 50 60 80 70 90 TEMPERATURE (°C) ERROR + 3 σ (°C) MEAN (°C) ERROR – 3 σ (°C) Figure 46. Rx Sensitivity vs. Modulation Index, Data Rate = 100 kbps, MOD = GFSK (0.5), FDEV = ±(MI × 50 kHz), Data = PRBS9, BER = 1E − 3, Bits = 2E + 5, VBAT = 3.0 V, Temperature = 25°C Figure 43. Temperature Sensor Readback vs. Die Temperature, Readback Value Converted to °C via Formula in the Temperature Sensor Section |
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