Single-Chip Low Cost Low Power RF-Transceiver (Rev. A)
Single-Chip Low Cost Low Power RF-Transceiver (Rev. A)
Single-Chip Low Cost Low Power RF-Transceiver (Rev. A)
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CC2500Output power,typical, +25°C, 3.0 V [dBm]PATABLEvalueCurrent consumption,typical [mA](–55 or less) 0x00 8.4–30 0x50 9.9–28 0x44 9.7–26 0xC0 10.2–24 0x84 10.1–22 0x81 10.0–20 0x46 10.1–18 0x93 11.7–16 0x55 10.8–14 0x8D 12.2–12 0xC6 11.1–10 0x97 12.2–8 0x6E 14.1–6 0x7F 15.1–4 0xA9 16.2–2 0xBB 17.70 0xFE 21.2Table 31: Optimum PATABLE settings for various output power levels25 SelectivityFigure 22 to Figure 26 show the typical selectivity performance (adjacent and alternate rejection).504030Selectivity [dB]20100-1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1-10Frequency offset [MHz]Figure 22: Typical selectivity at 2.4 kbps. IF frequency is 273.9 kHz.MDMCFG2.DEM_DCFILT_OFF = 1PRELIMINARY Data Sheet (<strong>Rev</strong>.1.2) SWRS040A Page 43 of 83
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