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SX1231H - Low Power Integrated UHF Transceiver

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.

Features

  • +20 dBm - 100 mW Power Output Capability.
  • High Sensitivity: down to -120 dBm at 1.2 kbps.
  • High Selectivity: 16-tap FIR Channel Filter.
  • Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response.
  • Low current: Rx = 16 mA, 100nA register retention.
  • Programmable Pout: -18 to +20 dBm in 1dB steps.
  • Constant RF performance over voltage range of chip.
  • FSK Bit rates up to 300 kb/s.
  • Fully integrated synthesizer.

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Datasheet preview – SX1231H

Datasheet Details

Part number SX1231H
Manufacturer Semtech
File Size 852.18 KB
Description Low Power Integrated UHF Transceiver
Datasheet download datasheet SX1231H Datasheet
Additional preview pages of the SX1231H datasheet.

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Full PDF Text Transcription

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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 PA0 Ramp & Control PA_BOOST 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 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-
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