SX1231H

SX1231H ADVANCED COMMUNICATIONS & SENSING SX1231H Transceiver Low Power Integrated UHF Transceiver with On-Chip +20dBm PA DATASHEET RFIO VBAT1&2 VR_ANA VR_DIG Power Distribution System LNA Σ/Δ Single to Mixers Modulators Differential RC Oscillator GND VR_PA PA_BOOST PA0 Ramp & Control PA1&2 Tank Inductor Loop Filter Division by 2, 4 or 6 Frac-N PLL Synthesizer XO 32 MHz Interpolation & Filtering Modulator RSSI AFC Decimation and & Filtering Demodulator & Bit Synchronizer Packet Engine & 66 Bytes FIFO Control Registers - Shift Registers - SPI Interface RESET SPI RXTX DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 XTAL GND GENERAL DESCRIPTION The SX1231H is a highly integrated RF transceiver capable of operation over a wide frequency range, including the 433, 868 and 915 MHz license-free ISM (Industry Scientific and Medical) frequency bands. Its highly integrated architecture allows for a minimum of external components whilst maintaining maximum design flexibility. All majo...