5.8GHz Bi-directional Transponder Enabling More than 5 years battery lifetime
UMS has developed a reflective transponder for your short and Medium Range Automotive communication (DSRC), Electronic Traffic control (ETC), and RFIC Identification.
The CHR2270-QRG is a bi-directional transponder dedicated to short-range communications at 5.8GHz. It features:
·Fully compliant with ETSI EN 300 674 and ES 200 674,
·Excellent performance over temperature,
·Very low consumption level enabling more than 5 years battery lifetime,
·Plastic package (QFN-24)
Three operating modes are implemented:
·STANDBY: ultra-low current AM detector, providing a wake-up signal (high selectivity system avoiding untimely wake-up) on SB-Out output.
·DOWNLINK: low current AM detector, with optimized IF bandwidth.
·UPLINK: multiplier based on a passive reflective mixer.
·8GHz ISM Band operating frequency
·Single RF port and antenna for compact system
·Integrated wake-up circuit with high selectivity
·Ultra Low Standby current
·3V battery bias voltage range
·Downlink RF input power monitoring
·Uplink gain control
·-25°C to +90°C operating temperature range
·RoHS compliant
·ESD protected
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