TDA5204XT RF/IF and RFID

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TDA5204XT is an RF receiver in the TDA520X family of integrated circuits, designed to facilitate the reception of terrestrial, satellite, and cable TV signals in digital media receivers. It is particularly suitable for professional set-top boxes, digital TVs, and HDTV systems. The TDA520X family of products are designed to integrate the components necessary for receiving digital TV and radio signals, making them an ideal choice for digital media device manufacturers.

The TDA5204XT is a four-channel RF receiver that contains two radio front-end and two tuner channels. It offers a wide range of features, including low power consumption; a high input dynamic range; and high sensitivity, allowing it to operate under extreme environmental conditions. Additionally, it offers two separate built-in AGC (Automatic Gain Control) channels that enable it to extend its usefulness over complex, multi-node RF networks. It also performs signal monitoring and decoding of both standard and high-definition digital TV signals.

The TDA5204XT features an integrated digital video equalizer to ensure that the received digital signal is free from noise and distortion. It also includes a fully-integrated OFDM (orthogonal frequency-division multiplexing) demodulator to decode the data from the incoming digital signal. Additionally, it includes a variety of features designed to minimize interference from other components and maximize reception, including a notch filter, equalizer, AGC, and high-performance frequency synthesizer.

The TDA5204XT features an advanced application-specific integrated circuit (ASIC) and radio frequency (RF) architecture, designed to provide excellent image-quality performance and lowest-possible power consumption. This signal-processing architecture is also designed to help reduce the amount of additional hardware that may be required to implement a digital media receiver design.

At the heart of the TDA5204XT is a 32-bit digital signal processor (DSP) that is designed to process digital signals from both terrestrial and satellite sources. This digital processor operates at a maximum speed of 800 MHz, enabling it to decode digital transmissions at much lower bitrates. This highly integrated DSP processor also provides additional processing power for other functions, such as impulse noise reduction and the advanced equalizer.

In addition to its DSP functions, the TDA520X family of receivers also includes a frequency synthesizer feature that enables it to lock to the frequency of any incoming signal. The integrated synthesizer is capable of operating even when the signal strength of the incoming signal is low. The synthesizer can also be used to fine-tune various signal parameters, such as equalizer settings, gain control, and frequency selection.

The TDA5204XT also includes a dedicated IF duplexer which offers a high level of flexibility when designing digital media receiver systems. This duplexer can be used to receive both digital and analog signals simultaneously, allowing the receiver to directly accept both digital and analog TV signals. This feature makes the TDA5204XT particularly advantageous for applications that require a comprehensive solution for digital TV reception.

In conclusion, the TDA520X family of receivers offers an integrated solution for receiving digital TV and radio signals in a wide range of applications. With its integrated DSP processor, advanced frequency synthesizers, and multiple RF receiver channels, the TDA5204XT represents an attractive choice for device manufacturers seeking to create a comprehensive digital media receiver system.

The specific data is subject to PDF, and the above content is for reference