Features: · Single-Chip RF Transmitter for 315-MHz, 433-MHz, 868-MHz, and 915-MHz Industrial, Scientific, and Medical (ISM) Bands· 2.2-V to 3.6-V Operation· Low Power Consumption· FSK/OOK Operation· Integer-N Synthesizer With Fully Integrated Voltage Controlled Oscillator (VCO)· On-Chip Reference ...
TRF4903: Features: · Single-Chip RF Transmitter for 315-MHz, 433-MHz, 868-MHz, and 915-MHz Industrial, Scientific, and Medical (ISM) Bands· 2.2-V to 3.6-V Operation· Low Power Consumption· FSK/OOK Operation·...
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The TRF4903 single-chip solution is an integrated circuit intended for use as a low-cost multiband FSK or OOK transmitter to establish a frequency-programmable, half-duplex RF link. The multichannel transmitter TRF4903 is intended for digital (FSK, OOK) modulated applications in the North American and European 315-MHz, 433-MHz, 868 MHz, and 915-MHz ISM bands. The single-chip operates down to 2.2 V and is designed for low power consumption. The synthesizer TRF4903 has a typical channel spacing of better than 200 kHz and features a fully integrated VCO. Only the PLL loop filter is external to the device.
Two fully-programmable operation modes, Mode0 and Mode1, allow extremely fast switching between two preprogrammed settings (for example, TX_frequency_0/TX_frequency_1; .) without reprogramming the device.