T2802-PLH RF/IF and RFID

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The T2802-PLH is a low power RF transceiver IC that operates in the UHF~ISM frequency band with a range of 420~470MHz. It is ideal for short~range, low~power wireless applications such as remote keyless entry, remote control, alarm and security, home automation, and industrial automation.

This chip includes various parts such as RF transceiver, voltage regulator, and low power reset device. It includes a transmitter and a receiver for signal transmission and reception. The transmitter supporting ASK/FSK/MSK modulation is designed to operate at a peak power of 20dBm, while the receiver is designed for FSK/GFSK modulation with a sensitivity of -125dBm.

The general working principle of the T2802-PLH is as follows. The transmitter uses an external antenna to transmit data on the communication channel. The data is modulated onto the transmitted signal using ASK/FSK/MSK modulation types. On the receiving end, the receiver demodulates the signal from the antenna using a signal-to-noise ratio. The decoded signal is then used to control the system or send data back to the transmitter.

This chip has a latency time or transfer delay of about 260us, making it suitable for applications that require quick and reliable data transfer. In addition to this, it has a power output range of 0 to 20dBm, making it suitable for indoor and outdoor applications that require shorter ranges of communication. The peak sensitivity of the receiver is also -125dBm, making it able to receive weaker signals.

The T2802-PLH also includes a variety of features such as built-in voltage regulator with an efficiency of up to 95%, integrated low power reset device, and Syncword support. The integrated voltage regulator ensures that the chip is not affected by high frequency noise from the external power supply. The system also supports fail-safe operation, allowing for reliable operation in the event of an interruption in communication.

Apart from its use in wireless communication, the T2802-PLH is also suitable for applications that require ultra-low power consumption and long battery life. The chip has an active current consumption of less than 12mA and a sleep current consumption of less than 10µA. This makes it an ideal choice for products with long battery life. The chip also includes a low-power reset device, which ensures that the device is reset whenever the power supply is interrupted.

The T2802-PLH from TriQuint Semiconductor is a low power RF transceiver IC that provides reliable, short-range communications in the UHF-ISM frequency band. This chip includes a transmitter, receiver, voltage regulator, and low power reset devices. It has a peak power of 20dBm, sensitivity of -125dBm, peak sensitivity -125dBm, latency 260us, and low power consumption. This makes it suitable for short-range wireless applications such as remote keyless entry, remote control, alarm and security, home automation, and industrial automation.

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