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MCUs And Receivers Ease System Design

Promising ease of adoption, three microcontrollers with integrated transmitters and two UHF receivers target both novice and experienced RF designers. The 20-pin rfPIC12F675K/F/H PICmicro MCUs with integrated UHF transmitters deliver an output power of 6 dBm over three frequency ranges: 260 to 350 MHz (rfPIC12F675K), 390 to 450 MHz (rfPIC12F675F), and 850 to 930 MHz (rfPIC12F675H). Maximum data rate for each is 40 Kb/s. Operating voltage is from 2V to 5.5V with a standby current of 100 nA. The MCU section includes a 14-bit instruction set with 1.8 KB of flash memory, 64 bytes of RAM, 128 bytes of EEPROM, an analog comparator, and four channels of 10-bit A/D conversion. In 32-pin LQFPs, the rfRXD0420 and rfRXD0920 single-conversion super-heterodyne receivers operate from 300 to 450 MHz and 850 to 930 MHz, respectively. Other features include a maximum data rate of 80 Kb/s, supply voltage from 2.5V to 5.5V, and a standby current of 100 nA. Depending on the LNA setting, active supply current ranges from 6.5 to 8.2 mA for the rfRXD0420 and 7.5 to 9.2 mA for the rfRXD0920. Pricing for the rfRXD0420 and rfRXD0920 is $2.55 and for the rfPIC12F675 is $2.03, each/10,000. MICROCHIP TECHNOLOGY INC., Chandler, AZ. (480) 792-7668.


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TAGS: Digital ICs
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