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CHR2244-QDG - GaAs Monolithic Microwave

General Description

The CHR2244 is a MMIC transponder dedicated to short range communications at 5.8GHz.

It includes all the RF functions for bi-directional transmission and CMOS compatible interfaces.

Only one antenna is necessary.

Key Features

  • 5.8GHz ISM band operating frequency CMOS compatible Ultra low standby current Integrated wake-up circuit High detection sensitivity for downlink Reflective multiplier for uplink Single bias voltage Low cost & high performances plastic package Lead-free, Matt Tin (Green) solder plating T/R MOD WK_in RF Det DATA_out SB_out External components Vcc Transponder block diagram Main Characteristics Tamb = +25°C; Vcc = 3.1V Symbol Parameter Min Typ Max Vcc_sb_i RF_sb_p RF_dl_p BW_dl G_ul BW_ul.

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Datasheet Details

Part number CHR2244-QDG
Manufacturer United Monolithic Semiconductors
File Size 552.99 KB
Description GaAs Monolithic Microwave
Datasheet download datasheet CHR2244-QDG Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CHR2244-QDG RoHS COMPLIANT 5.8 GHz One Antenna Reflective Transponder for Tag GaAs Monolithic Microwave IC Description The CHR2244 is a MMIC transponder dedicated to short range communications at 5.8GHz. It includes all the RF functions for bi-directional transmission and CMOS compatible interfaces. Only one antenna is necessary. Three modes are implemented: STANDBY: ultra low current AM detector, with a reduced bandwidth, providing a wake-up signal on SB_out output. This signal is a DC voltage. This output is active when and only when an AM modulated RF signal is applied to the RF input. DOWNLINK: low current AM detector, with optimized IF bandwidth, providing the demodulated data at the CMOS compatible DATA_out output. UPLINK: multiplier based on a passive reflective mixer.