TEF6638HW/V106Y

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Part Status:	Active

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TEF6638HW/V106Y Application Field and Working Principle

TEF6638HW/V106Y is a low-IF front-end IC for single chip radio receivers. It has been widely used in many areas, including automotive radio, portable audio, digital TV receivers and so on.This low-IF front-end IC is a fully integrated device and consists of an RF amplifier, an automatic gain control (AGC) circuit and a programmable low-IF to IF conversion for the multi-standard radio reception.

Application Field

This low-IF front-end IC has a wide variety of applications. It is widely used in automotive radio, portable audio, digital TV receivers and other digital applications, enabling the reader to receive various signals including AM, FM, LW, SW, and WB. Furthermore, it supports a wide selection of standard radio standards, such as DAB, DAB+, DRM, DRM+.The device also has wide operational bandwidth, ranging from 9 KHz to 175 MHz. It is suitable for problem-free use in a wide variety of digital video and audio applications. In terms of power consumption, it has a very low power consumption and it is suitable for battery operated applications.

Working Principle

The TEF6638HW/V106Y is a fully integrated device, so its working principle is quite simple. It consists of two main stages, namely the RF amplifier and the low-IF to IF converter.First, the RF amplifier amplifies the incoming signals up to an intermediate frequency. This intermediate frequency is then passed through the low-IF to IF converter, where it is further amplified and digitalized. The digitalized signal is then passed to the decoder, which in turn decodes the signal so that it can be viewed or heard.The whole process of signal reception and decoding is relatively straightforward. The device also has a built-in automatic gain control circuit, which ensures that the output from the RF amplifier is not too high or too low. This allows for uniform loudness of audio and video signals.Overall, the TEF6638HW/V106Y low-IF front-end IC is an ideal device for use in various digital audio and video applications. It has a wide operational bandwidth, allows for a variety of radio standards, and has a very low power consumption, making it suitable for battery operated applications.

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