General Description
●The MICRF221 is a third generation QwikRadio® receiver, offering all the benefits of Micrel"s earlier QwikRadio® products with significant improvements, including: enhanced sensitivity, automatic duty-cycle feature and RSSI output.
●Features
●• Complete Receiver on a Chip
●• -109dBm sensitivity, 1 kbps and BER 10E-02
●• Image Rejection Mixer
●• 850 MHz to 950 MHz frequency range
●• Low Power, 9mA @ 868 MHz, continuous on
●• Data Rates to 10kbps (Manchester Encoded)
●• Auto polling (sleep mode, current < 0.1 mA)
●•Analog RSSI Output
●• Programmable “Low Sensitivity” mode
●• No IF filter required
●• Excellent selectivity and noise rejection
●• Low external part count
●• Additional Functions Programmed through serial interface
