Current - Receiving:	18.3mA
Supplier Device Package:	44-PQFP (10x10)
Package / Case:	44-QFP
Operating Temperature:	-15°C ~ 60°C
Voltage - Supply:	2.5 V ~ 12 V
Features:	--
Antenna Connector:	PCB, Surface Mount
Memory Size:	--
Data Interface:	PCB, Surface Mount
Series:	STR
Applications:	Self Tuned Radio (STR)
Modulation or Protocol:	AM, FM
Data Rate (Max):	--
Sensitivity:	--
Frequency:	AM, FM
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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RF Receivers – TEA5757H/V1,518 Application Field and Working Principle

RF receivers are used to receive and amplify a radio signal. The TEA5757H/V1 is a single-chip RF receiver that can be used in applications such as TV tuners, AM/FM radio receivers, wireless audio systems, and motorized remote-control systems. This article will discuss the application field and working principle of the TEA5757H/V1 RF receiver.

Application Field

The TEA5757H/V1 is a low-power and high-efficiency integrated RF receiver ideal for a variety of applications. The device is suitable for use in TV tuners, allowing for the reception of analog, digital, and HDTV signals. It is also suitable for AM/FM radio receivers, providing low interference and excellent frequency stability.In addition, the device can be used in wireless audio systems. It provides excellent reception for a variety of audio signals, including Dolby digital and DTS-HD. It is also suitable for motorized remote-control systems, which require reliable reception of radio signal.

Working Principle

The TEA5757H/V1 RF receiver is based on a direct conversion architecture. It consists of an RF amplifier, an automatic gain control (AGC) block, an analog-to-digital converter (ADC), an analog phase-locked loop (PLL) block, and a digital demodulation block. The RF amplifier is responsible for amplifying the incoming RF signal. The AGC circuit adjusts the gain of the RF amplifier based on the signal level. The ADC converts the amplified analog signal into a digital signal that can be processed by the PLL and demodulation blocks. The analog PLL circuit is used to generate a clock signal that is synchronized to the amplitude and frequency of the incoming RF signal. This clock signal is then used by the demodulation block to extract the digital signal from the incoming RF signal. Finally, the extracted digital signal is then sent to a signal processor, which is used to decode the signal and convert it into a sound or video signal.

Conclusion

The TEA5757H/V1 is a single-chip RF receiver that can be used in applications such as TV tuners, AM/FM radio receivers, wireless audio systems, and motorized remote-control systems. It is based on a direct conversion architecture, which consists of an RF amplifier, an AGC block, an ADC, an analog PLL block, and a digital demodulation block. In conclusion, the TEA5757H/V1 is a reliable and efficient RF receiver suitable for a variety of applications.

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