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Multichannel rf remote control application board

Wireless solutions manufacturer Radiometrix has introduced the CTA88 remote control chip application board offering.

The boards are designed to provide 8channel digital i/o implementations of remote control functions, using either the company's multichannel LMT/LMR (UHF and VHF band) or single frequency BiM (FM band) series of wireless radio modules (which are ordered separately).

The offering consists of two CTA88-000-DIL chips, a CTA88 encoder board, a CTA88 decoder board, ¼ wavelength monopole or helical antennas, 4 jumpers for mode configuration, DIP switches for address and frequency channel configuration, 8 opto-isolated digital inputs, and 8 relay outputs.

The CTA88 chip at the heart of each board is an 8bit address encoder/decoder for use with licence-exempt ISM/SRD band radio modules. It permits the setting up of a one way wireless link for remote control applications. According to Radiometrix, this requires the minimum of engineering effort and takes little time to establish.

The transmitter and receiver application boards are designed to allow evaluation of the CTA88 device's performance and functionality in elementary jobs. The boards have dimensions of 115x86x20mm and their operating temperature range goes from -20 to 70°C.

Chris Shaw

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