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EVB71122
Evaluation Board for MLX71122
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The MLX71122 is a multi-channel RF receiver IC based on a double-conversion super-heterodyne architec-ture. It is designed to receive FSK and ASK modulated RF signals either in 8 predefined frequency channels or frequency programmable via a 3-wire serial programming interface (SPI).
The IC is designed for a variety of applications, for example in the European bands at 433MHz and 868MHz or for the use in North America or Asia, e.g. at 315MHz, 447MHz or 915MHz.
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Features and Benefits
- Programmable PLL synthesizer
- 8-channel preconfigured or fully programmable SPI mode
- Double super-heterodyne receiver architecture with 2nd mixer as image rejection mixer
- Reception of FSK, FM and ASK modulated signals
- Low shut-down and operating currents
- AFC - automatic frequency correction
- AGC - automatic gain control
- On-chip IF filter
- Fully integrated FSK/FM demodulator
- RSSI for level indication and ASK detection
- 2nd order low-pass data filter
- Positive and negative peak detectors
- Data slicer (with averaging or peak-detector adaptive threshold)
- EVB programming software is available on Melexis web site
Assets
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