ST25R3909-BQTT RF/IF and RFID

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The ST25R3909-BQTT is a long-range, ultra-low-power radio-frequency reader IC that is widely used in RFID, RF access and monitoring applications. The IC has several impressive features, including advanced low-power, low-IF receiver technologies, enhanced modulation, and long-range transmission. It is suitable for a wide range of applications, from reading active or passive RFID tags to providing long-range, bidirectional RF access control.

The ST25R3909-BQTT operates at a carrier frequency of up to 400kHz and is capable of reading passive RFID tags in a range of up to 12m. It supports various modulation and coding schemes such as ASK, OOK, Manchester, Mixed Manchester, Miller, FM0, and other advanced coding schemes. The IC features a dual antenna system with integrated receive and low-IF receivers and is compliant with the ISO 15693 and ISO 18000-3 tag protocols.

The ST25R3909-BQTT IC is also capable of providing long-range RF access control, such as in industrial and automotive lock applications. The IC is compliant with the ISO 14443A and ISO 14443B tag protocols and is capable of reading tags in a range of up to 12m. In addition, the IC is capable of providing two-way, bidirectional, non-collision communication with active tags.

For monitoring applications, the ST25R3909-BQTT IC is capable of detecting and measuring changes in the environment such as temperature, humidity and motion. It supports various sensing technologies such as temperature, humidity, and temperature-humidity combined sensors. It is also capable of measuring temperature from -40°C to +125°C with a 0.4°C accuracy. It also supports temperature-to-voltage, humidity-to-voltage and temperature-humidity-to-voltage conversion functionality. In addition, it is capable of detecting motion in the range of 5m to 12m.

In addition to its impressive features, the ST25R3909-BQTT IC is also designed to be energy efficient. It is capable of automatically adjusting operating power levels to ensure low power consumption. It is also designed to be reliable and robust, with a wide input voltage range from 1.8V to 3.6V and a temperature range from -40°C to +85°C.

The ST25R3909-BQTT IC is the ideal choice for a wide range of applications, from RFID to long-range, bidirectional, RF access control and monitoring applications. With its impressive features and low-power consumption, it is sure to meet the needs of any application.

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