LTM9004CV-AA#PBF

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LTM9004CV-AA#PBF is classified as RF Miscellaneous Integrated Circuits (ICs) and Modules. This product is a multi-channel, frequency-agile ASK demodulator designed to operate in the 70 MHz to 900 MHz range, and it is aimed to provide superior performance in wireless systems. This device offers substantial improvements in receiver sensitivity, dynamic range, spurious rejection, and AGC (Automatic Gain Control) linearity over other devices in this frequency range.

The LTM9004CV-AA#PBF fecture a complete front-end demodulation solution that requires only a minimum of external components. It is supplied in a 48-lead TQFP package, and it is designed for single or cascading operation in multi-channel systems. It utilizes a digital monolithic demodulator core, which provides decision-directed demodulation, packet error rate determination, and digital AGC.

LTM9004CV-AA#PBF applications include 900 MHz digitized data systems, three-phase AMR (Automatic Meter Reading) systems, 900 MHz communications systems, and RFID applications. It is also capable of performing FM demodulation in addition to ASK demodulation. The device also features an integrated shield against EMI (electromagnetic interference) with up to 40 dB of attenuation at 900 MHz.

LTM9004CV-AA#PBF working principle is based on a digital demodulator core that utilizes a decision-directed demodulation technique and an integrated automatic gain control (AGC) system to achieve signal clarity and efficiency. The device performs both frequency hop and direct sequence spread spectrum. The signal is received by a low-noise amplifier, which is followed by filtering and AGC circuits. The signal is then passed to the digital demodulator, which performs packet error rate determination, demodulation, and digital AGC. The demodulated signal is then output to either a microcontroller or other system for further processing.

Overall, the LTM9004CV-AA#PBF is an excellent solution for digital multiple-channel demodulation and is well suited for applications such as 900 MHz digitized data systems, three-phase AMR systems, 900 MHz communications systems, and RFID applications. It offers superior performance in receiver sensitivity, dynamic range, spurious rejection, and AGC linearity over other devices in this frequency range and it integrates an effective shield against EMI.

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