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SLWRB4150B Datasheet(PDF) 68 Page - Silicon Laboratories |
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SLWRB4150B Datasheet(HTML) 68 Page - Silicon Laboratories |
68 / 163 page 4.1.10.10 Sub-GHz RF Receiver Characteristics in the 315 MHz Band Unless otherwise indicated, typical conditions are: TOP = 25 °C,VREGVDD = AVDD = IOVDD = 3.3 V, DVDD = RFVDD = PAVDD. RFVDD and PAVDD path is filtered using ferrites. Crystal frequency=38.4MHz. RF center frequency 315 MHz. Test circuit according to Figure 5.2 EFR32MG1 Typical Application Circuit: Configuration with DC-DC converter (PAVDD from VDCDC) on page 98 and Fig- ure 5.5 Typical Sub-GHz RF impedance-matching network circuits on page 101. Unless otherwise indicated, all interferer tests have been performed with an unmodulated (CW) interferer with the desired signal 3 dB above sensitivity limit. Table 4.27. Sub-GHz RF Receiver Characteristics for 315 MHz Band Parameter Symbol Test Condition Min Typ Max Unit Tuning frequency range FRANGE 195 — 358 dBm Max usable input level, 0.1% BER SAT Desired is reference 2.4 kbps GFSK signal1 — — 10 dBm Desired is reference 38.4 kbps GFSK signal2 — — 10 dBm Sensitivity SENS Desired is reference 2.4 kbps GFSK signal1, 0.1% BER — -123.5 -120.7 dBm Desired is reference 38.4 kbps GFSK signal2, 0.1% BER — -111.4 -108.6 dBm Desired is reference 500 kbps GFSK signal3, 0.1% BER — -97.2 -94.6 dBm Level above which RFSENSE will trigger4 RFSENSETRIG CW at 315 MHz — -25.8 — dBm Level below which RFSENSE will not trigger4 RFSENSETHRES — -50 — dBm Adjacent channel selectivity, Interferer is CW at ±1 × channel-spacing C/I1 Desired is 2.4 kbps GFSK signal1 at 3dB above sensitivity level, 0.1% BER 54.1 64.2 — dB Desired is 38.4kbps GFSK signal2 at 3dB above sensitivity level, 0.1% BER 46 50 — dB Alternate channel selectivity, Interferer is CW at ±2 × channel-spacing C/I2 Desired is 2.4kbps GFSK signal1 at 3dB above sensitivity level, 0.1% BER — 66 — dB Desired is 38.4kbps GFSK signal2 at 3dB above sensitivity level2, 0.1% BER — 54 — dB Image rejection, Interferer is CW at image frequency C/IIMAGE Desired is 2.4kbps GFSK signal1 at 3dB above sensitivity level, 0.1% BER — 54.4 — dB Desired is 38.4kbps GFSK signal2 at 3dB above sensitivity level, 0.1% BER — 51.9 — dB Blocking selectivity, 0.1% BER. Desired is 2.4 kbps GFSK signal1 at 3 dB above sensitivity level . C/IBLOCKER Interferer CW at Desired ±1 MHz — 74.9 — dB Interferer CW at Desired ±2 MHz — 76.7 — dB Interferer CW at Desired ±10 MHz 72.6 93.1 — dB EFR32MG1 Mighty Gecko ZigBee® & Thread SoC Family Data Sheet Electrical Specifications silabs.com | Building a more connected world. Rev. 1.1 | 63 |
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