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OL2300 - Fractional-N PLL based transmitter

General Description

The OL2300 is a UHF ASK/FSK fractional-N transmitter with a fully integrated fractional-N Phase-Locked Loop (PLL) frequency synthesizer and a power amplifier to drive an external antenna.

The OL2300 is especially designed for use in the Industrial Scientific Medical (ISM) frequency bands (315/434/868/915 MHz).

Fine-tuning of the reference oscillator by means of fractional-N synthesis allows the compensation of manufacturing tolerances of the crystal.

Overview

OL2300 Fractional-N PLL based transmitter Rev.

2 — 28 October 2010 Product data sheet 1.

Key Features

  • Fully integrated fractional-N PLL frequency synthesizer.
  • Integrated VCO without external components.
  • Independent Power-down modes for oscillator and PLL.
  • Operating frequency: 315/434/869/915 MHz ISM/SRD bands.
  • OOK/ASK/FSK modulation.
  • Software programmable output power.
  • Software programmable modulation index for ASK.
  • Software programmable frequency deviation for FSK.
  • Software programmable multi channel capability.