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SX1238 - Fully Integrated Transceiver

Description

The SX1238 is a fully integrated ISM band transceiver optimized for use in the (FCC Part 15) 915 MHz band in the US and 868 MHz band in Europe with a minimum of external components.

It offers a combination of high link budget and low current consumption in all operating modes.

Features

  • +27 dBm - 500 mW RF output power.
  • +27 dBm high efficiency PA.
  • Programmable bit rate up to 300kbps.
  • High sensitivity: -124 dBm at 1.2 kbps.
  • 863 - 870 MHz and 902 - 928 MHz.
  • 80 dB blocking Immunity.
  • Low current, 100nA register retention.
  • Fully integrated synthesizer with a resolution of 61 Hz.
  • FSK, GFSK, MSK, GMSK and OOK modulations.
  • Built-in bit synchronizer performing clock recovery.
  • Sync word recognition.
  • Preamble detection.
  • 115.

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Datasheet preview – SX1238

Datasheet Details

Part number SX1238
Manufacturer Semtech
File Size 1.66 MB
Description Fully Integrated Transceiver
Datasheet download datasheet SX1238 Datasheet
Additional preview pages of the SX1238 datasheet.

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Full PDF Text Transcription

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WIRELESS, SENSING & TIMING SX1238 - Fully Integrated Transceiver with +27dBm TX Power SX1238 DATASHEET VDD2 RXEN MODE RX RFI PREAMP VBAT1&2 VR_ANA VR_DIG LNA Power Distribution System Single to Differential Mixers RC Oscillator Decimation & Filtering Demodulator & Bit Synchronizer ANT IND PA PA0 Ramp & Control VDD1 PAout PDET TXEN TX RFO VR_PA Preamp/PA Tank Inductor Loop Filter Division by 2,4, or 6 Frac-N PLL Synthesizer XO 32 MHz Interpolation & Filltering Modulator RSSI AFC XTAL GND Frequency Synthesis Transmitter Blocks Receive Blocks Control Blocks Primary Analog Primary Digital Packet Engine & 66 byte FIFO Control Registers - Shift Registers - SPI Interface RESET SPI RXTX DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 GENERAL DESCRIPTION The SX1238 is a fully integrated I
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