AS3977 transmitter equivalent, multi-channel narrowband fsk transmitter.
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Sigma-Delta controlled fractional-N synthesiser Resolution of synthesiser <100Hz Fully integrated PLL Fully integrated voltage controlled oscillator 4kV ESD protection.
a temperature sensor with digital read-out is included that allows compensation of the crystal frequency drift due to te.
The AS3977 is a low-power fully integrated ETSI, FCC and ARIB compliant FSK transmitter capable of operating at any ISM frequency in the range of 300 to 928 MHz. It is based on a sigma-delta controlled fractional-N synthesiser phase locked loop with .
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