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The MLX72013 ASK/FSK transmitter IC is designed for applications in the European 433 MHz industrial-scientific-medical (ISM) band, according to the EN 300 220 telecommunications standard. It can also be used in other countries with similar standards like FCC part 15.231.

The transmitter's carrier frequency is determined by the frequency of the reference crystal fref. The integrated phase lock loop (PLL) synthesizer ensures that carrier frequencies, ranging from 425 to 445 MHz, can be achieved. This is done by using a crystal with a reference frequency according to fref = fc/N, where N = 16 is the PLL feedback divider ratio.

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Top Features

  • Fully integrated PLL-stabilized VCO

  • Frequency range from 425 to 445 MHz

  • Single-ended RF output

  • FSK through crystal pulling allows modulation from DC to 40 kbit/s

  • High FSK deviation possible for wideband data transmission

  • Wide power supply range from 1.95 to 5.5 V

  • Operating temperature range -40 °C to +125 °C

  • Very low standby current

  • On-chip low voltage detector

  • High over-all frequency accuracy

  • FSK deviation and center frequency independently adjustable

  • Adjustable output power range from -16 dBm to +12 dBm

  • Adjustable current consumption from 3.5 mA to 15.9 mA

  • Conforms to EN 300 220 and similar standards

  • 8-pin Small Outline Integrated Circuit (SOIC)
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ASK/FSK Transmitter - 433 MHz - MLX72013

Features and benefits

  • Fully integrated PLL-stabilized VCO

  • Frequency range from 425 to 445 MHz

  • Single-ended RF output

  • FSK through crystal pulling allows modulation from DC to 40 kbit/s

  • High FSK deviation possible for wideband data transmission

  • Wide power supply range from 1.95 to 5.5 V

  • Operating temperature range -40 °C to +125 °C

  • Very low standby current

  • On-chip low voltage detector

  • High over-all frequency accuracy

  • FSK deviation and center frequency independently adjustable

  • Adjustable output power range from -16 dBm to +12 dBm

  • Adjustable current consumption from 3.5 mA to 15.9 mA

  • Conforms to EN 300 220 and similar standards

  • 8-pin Small Outline Integrated Circuit (SOIC)

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