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SX1257

Part Number	SX1257
Manufacturer	Semtech
Description	Low Power Digital I and Q RF Multi-PHY Mode Transceiver
Published	Jan 28, 2019
Detailed Description	SX1257 Low Power Digital I and Q RF Multi-PHY Mode Transceiver RF_IN VBAT VR_ANA1 VR_ANA2 Power Distribution System...
Datasheet	SX1257 PDF File

Overview

SX1257 Low Power Digital I and Q RF Multi-PHY Mode Transceiver RF_IN VBAT VR_ANA1 VR_ANA2 Power Distribution System 0 to -48 dB with 6 dB steps VR_DIG 0 to -30 dB with 2 dB steps RX pre-filter CT  RX pre-filter CT  RESET 1b I_OUT 1b Q_OUT Single to Diff Control Registers and Interface RF_OP RF_ON ATT Driver Div by 2 Div by 2 Fractional-N Frequency Synthesizer Fractional-N Frequency Synthesizer TX Filter DAC TX Filter DAC MISO MOSI SCK NSS CLKIN CLKOUT 1b I_IN 1b Q_IN XO 36 MHz Figure A: SX1257 Block Diagram XTA XTB General Description The SX1257 is a highly integrated RF front-end to digital I and Q modulator/demodulator Multi-PHY mode transceiver capable of su...

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