TDA7511 Allicdata Electronics

TDA7511 RF/IF and RFID

Allicdata Part #:

497-3988-ND

Manufacturer Part#:

TDA7511

Price: $ 5.52
Product Category:

RF/IF and RFID

Manufacturer: STMicroelectronics
Short Description: IC TUNER HI/FI AM/FM 64TQFP
More Detail: - RF Receiver AM, FM 3.6kHz PCB, Surface Mount 6...
DataSheet: TDA7511 datasheetTDA7511 Datasheet/PDF
Quantity: 1000
960 +: $ 5.01795
Stock 1000Can Ship Immediately
$ 5.52
Specifications
Current - Receiving: 60mA
Supplier Device Package: 64-TQFP (10x10)
Package / Case: 64-LQFP
Operating Temperature: -40°C ~ 85°C
Voltage - Supply: 7.5 V ~ 10 V
Features: --
Antenna Connector: PCB, Surface Mount
Memory Size: --
Data Interface: PCB, Surface Mount
Series: --
Applications: Automotive Audio, Processing, Receivers
Modulation or Protocol: AM, FM
Data Rate (Max): --
Sensitivity: --
Frequency: 3.6kHz
Part Status: Obsolete
Packaging: Tube 
Description

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Radio-Frequency (RF) Receivers are a group of devices that receive electromagnetic waves in specific frequency ranges for signal detection and processing for various applications such as radio communications, navigation, and telemetry. The TDA7511 is an example of an RF receiver used for a variety of applications, such as in-flight entertainment systems, satellite tracking systems, and broadcast receivers. This article will discuss the TDA7511’s application fields and working principle.

Types of TDA7511

TDA7511 is a single-chip direct-conversion RF receiver, designed for medium- to long-range transmissions. There are two types of TDA7511: the TDA7511-ST and the TDA7511-D. The TDA7511-ST operates at frequencies up to 775 MHz, with VHF and UHF bands, while the TDA7511-D operates at frequencies up to 1.275GHz and is especially suitable for Digital Radio Mondiale (DRM) and Digital Audio Broadcasting (DAB) applications. The two have several features in common, such as a low-power consumption mode and a low-operating voltage.

Application Fields

TDA7511 receivers can be used in a variety of applications. They are commonly used in aviation, in-flight entertainment systems, radio communications, and navigation. The receiver’s excellent noise immunity makes it ideal for use in harsh environments, such as aircraft. In addition, its high sensitivity and low-power consumption make it suitable for use in wireless sensor networks, such as in surveillance systems or telemetry.

The TDA7511 is also used in military and civilian applications. It provides flexible operations, with its integrated switching capabilities, and its low-power consumption makes it suitable for applications requiring long-distance transmission. The receiver can also be used in industrial control systems, since its wide frequency range allows it to operate at frequencies required for a variety of systems.

Agile Demodulation

The TDA7511 receiver uses a direct-conversion technology that allows for agile demodulation. This method of demodulation requires the use of one single antenna, allowing the receiver to perform multi-standard demodulation over a wide frequency range. The receiver can also track multiple modulation schemes to meet different application requirements.

The direct-conversion technology also enables the receiver to reduce interference from adjacent channels. Additionally, it has an improved signal-to-noise ratio, as well as improved selectivity. This improved performance allows the receiver to capture distant signals more reliably.

Working Principle

The working principle of the TDA7511 receiver is based on direct conversion of the received radio frequency (RF) signal into its baseband components. The receiver first uses a low-noise amplifier (LNA) to increase the signal strength, then an analog-to-digital (A/D) converter to digitize the signal, which is then passed through a digital baseband filter. The digital processing circuit then demodulates the signal and splits it into its in-phase and quadrature components, producing an I/Q datas-stream.

The digital processing circuit also filters out any unwanted noise, ensuring that the signal’s quality is preserved. The digital signal is then passed through an output amplifier, which is then connected to other components for further processing and modulation. The signal is then ready for its ultimate application.

Conclusion

The TDA7511 is a single-chip direct-conversion RF receiver used for a variety of applications. It has a wide frequency range and is easy to use, with its integrated switching capabilities and low-power consumption. The receiver also has a high level of noise immunity and selectivity, providing excellent performance even in harsh environments. Its working principle is based on direct conversion of received signals into baseband components, which is then processed by a digital processing circuit and ready for its application.

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

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