MAX9947ETE+T RF/IF and RFID

Power - Output:	12dBm
Package / Case:	16-WQFN Exposed Pad
Operating Temperature:	-40°C ~ 85°C
Current - Transmitting:	23mA
Current - Receiving:	23mA
Voltage - Supply:	3 V ~ 5.5 V
Serial Interfaces:	--
Memory Size:	--
Sensitivity:	--
Series:	--
Data Rate (Max):	115.2kbps
Frequency:	2.176MHz
Modulation:	OOK
Protocol:	--
RF Family/Standard:	AISG
Type:	TxRx Only
Part Status:	Active
Packaging:	Tape & Reel (TR)

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< p>MAX9947ETE+T is an RF transceiver IC designed specifically for the two-way radio applications. It contains two independent transmitters and receivers, each with an integrated analog-to-digital converter. It has an extremely low power consumption and is ideal for battery-operated portable devices. The MAX9947ETE+T is suitable for applications requiring a robust, low cost and reliable two-way radio communication. < /p>< p>< strong>MAX9947ETE+T Application Field and Working Principle < /strong>< /p >< p>MAX9947ETE+T is used in various two-way radio applications such as commercial, military, and industrial wireless data communications, personal and vehicle tracking, and cordless phones. It is also suitable for short-range UHF radio unmanned vehicles, wireless alarm systems and surveillance. < /p>< p>The MAX9947ETE+T transceiver consists of a baseband receiver and transmitter operating in a frequency band from 150MHz to 475MHz. The receiver section incorporates a low-noise amplifier, a frequency conversion radio frequency amplifier, a digital mixing mixer (DMM), an analog-to-digital converter (ADC) and a digital signal processor (DSP). The transmitter section contains an up-converter and a power amplifier with a power level of up to 23dBm. An integrated analog-to-digital converter (ADC) is included in the receiver section to provide a high dynamic range and a wide range of input signals. < /p>< p>The receiver section provides a balanced low-pass filter and a second order anti-aliasing filter to reduce signal distortion due to alias responses. The DMM performs equalization and provides a controllable output signal level. The ADC provides digital audio signals that are used to determine the response of the receiver. The DSP performs signal processing, and is programmed to perform signal averaging and signal rejection. The signal processing is optimized for the operating environment, providing an enhanced signal quality and noise immunity. < /p>< p>The transmitter section contains an up-converter that converts the input signal into a radio frequency signal. The power amplifier amplifies the signal and provides up to 23dBm output power. The up-converter and power amplifier are designed to provide minimal distortion and spurious responses. The output signal is routed to an external antenna via an output matching circuit. The transmitter section also contains an adjustable voltage regulator that supplies power to the up-converter and power amplifier. < /p>< p>Overall, the MAX9947ETE+T transceiver IC provides a reliable two-way radio solution suitable for short distance communication applications. It is low power, low cost, robust and easy to integrate into a variety of two-way radio systems. < /p>

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