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Si100x/1x ISM Transceiver Family Slide 8
The receiver supports automatic frequency control (AFC) to compensate for frequency differences between the transmitter and receiver reference frequencies. These differences can be caused by the absolute accuracy and temperature dependencies of the reference crystals. Due to frequency offset compensation in the modem, the receiver is tolerant to frequency offsets up to 0.25x the IF bandwidth when the AFC is disabled. When the AFC is enabled, the received signal will be centered in the passband of the IF filter, providing optimal sensitivity and selectivity over a wide range of frequency offsets up to 0.35x the IF bandwidth.
PTM Published on: 2012-05-16