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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.

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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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OL2300 Fractional-N PLL based transmitter Rev. 2 — 28 October 2010 Product data sheet 1. 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. The device also includes an adjustable output power capability. The OL2300 can be used for both ASK and FSK modulation with chip rates up to 112 kcps.