Switching method of built-in antenna and exposed antenna of FM receiver as well as terminal thereof
A technology of external antenna and built-in antenna, applied in the direction of antenna support/mounting device, independent non-interactive antenna combination, electrical components, etc., can solve the impact of FM broadcast reception performance, poor performance antenna reception performance, and inconvenient user operation Convenience and other issues, achieve good promotion significance, realize seamless switching, improve quality and effect
- Application Information
AI Technical Summary
Problems solved by technology
 The preferred embodiments of the technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings.
 figure 1 is a schematic diagram of a terminal according to an embodiment of the present invention, and the terminal according to this embodiment of the present invention will be described in detail below.
 The terminal in the embodiment of the present invention includes an FM receiver, a built-in antenna, an external antenna, a CPU, and an antenna switching module.
 The CPU is connected to the FM receiver through the I2C bus. The CPU detects whether an external antenna is connected through the GPIO (General Purpose Input Output) port. The CPU controls the antenna switching module through the GPIO to select the built-in antenna or the external antenna. The antenna The switching module is connected with the FM receiver through the antenna inlet.
 When the terminal is connec...
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