Features: 3.3V power supply 2.4GHz ISM band FM modulator FM/FSK transmitter operation Simple three digital pins setting 4 fixed channels to eliminate external micro-controller Output Power +1.5dBm or +11.5dBm, selected by pin connection FM sound carriers at 6 and 6.5MHz CMOS technology On-chip VCO...
RTC6701: Features: 3.3V power supply 2.4GHz ISM band FM modulator FM/FSK transmitter operation Simple three digital pins setting 4 fixed channels to eliminate external micro-controller Output Power +1.5dBm o...
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SYMBOL | PARAMETER | Ratings | UNIT |
Tstr | Storage Temperature Range | -65 to +150 | °C |
Totr | Operating Temperature Range | -40 to +85 | °C |
Vdd | Supply Voltage | -0.5 to +5 | V |
Vlog | Logic control signal | -0.5 to +5 | V |
VRX | RX input | -2 to +2 | V |
The RTC6701 is a FM/FSK transmitter intended for application on 2.4GHz ISM band analog FM r digital FSK transmission. The chip RTC6701 includes a RF modulator, two channels of audio modulator nd a power amplifier with up to +11.5dBm power output. The RF modulator block, which is requency-synthesizer based with an integrated 2.4GHz VCO, generates the 2.4GHz FM signal odulated from stereo audio L(left)/R(left) signals. On-chip two audio modulators with stereo
audio input signals provide the FM audio modulated signal at 6 MHz and 6.5MHz, respectively. onaural application is also possible by turning off one of two audio modulators.
Transmission frequency can be set by internal register via SPI programming, or by selecting mong 4 fixed channels using three dedicated pins. Output power of +1.5dBm or +11.5dBm can e configured via pins 28 and 29 to fit CE/FCC requirement easily. The device is available in a 2-pin QFN package.