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Overview

Palma Ceia SemiDesign offers a low power, 3GPP Release 14 NB-IOT (LTE Cat NB1) transceiver. The transceiver is built to comply with the Release 14 standard from 3GPP. The NB-IOT transceiver chip is single mode specifically for the bandwidth per channel and modulation requirements for NB1 and as such provides optimal power for the performance required.

The transmitter offers high linearity, high output 1dB compression, high ACR, high power range and low noise. It includes necessary control for Carrier Suppression (CS) including the calibration path through the receiver. The receiver design offers high gain, high linearity, high selectivity, high signal range and low noise figure.

The receiver has internal calibration schemes for DC offset correction and provides the necessary control knobs for IQ mismatch correction.

The transceiver offers a low power profile including the radio and PA for +20dBm output. This solution is immune from reflected power concerns when the VSWR is diminished.

Benefits

  • Easy link to commercial cellular networks
  • Low power design for maximizing batter life
  • Robust performance for the best response in the field
  • Built-n calibration for maximizing performance
  • Optimized for NB-IOT 3GPP Release 14 at 200kHz

Applications

  • Consumer and Industrial IoT
  • M2M Communications
  • Low Power Wide Area Sensor Networks
  • Wearables
  • Automotive Vehicle to Infrastructure Communications

Tech Specs

Market SegmentInternet of Things

Features

  • Direct conversion receiver with a noise figure of less than 2.5 dB
  • Highly linear architecture offering operating margin exceeding 3GPP linearity requirements
  • Self-contained calibration and correction schemes for better performance and high yield
  • Fully automated DC offset correction and I/Q calibration scheme
  • Total RX current of 15mA and TX current of 22mA at max power
  • Targeted 200kHz implementation offers lower power versus LTE-M1 at 1.4MHz

Deliverables

  • GDS
  • User Documentation
  • Test Bench

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