车载AM/FM收音机的精简型设计

Simplified design for vehicle AM/FM radio

如何设计一款既达到成本控制需求,又能达到高质量音频享受的广播音讯产品来满足此领域对于降低成本和简易设计的需求成为行业焦点。为了实现低成本AM/FM车载收音机应用,本文引入低成本微控制器MC9S08QG8、集成收音芯片TEF6621、低成本音频处理及高保真功率输出方案,并以精简硬件设计电路,同时描述了器件选择、总体构建思路与硬件设计细节。本设计方案能满足低功耗、低成本、高性能、高音质等要求。

How to design a not only achieve the cost control requirements, and can achieve high quality audio enjoyment of bToadcasting audio products to meet the needs of this field for reducing cost and simple design has become the focus of industry. In order to realize the low cost AM/FM vehicle radio applications, this paper introduced the low cost microcontroller MC9S08QG8, integrated radio chip TEF6621, low cost and high fidelity audio processing power output scheme, and simplify the hardware circuit design, also describes the device selection, the overall construction strategy and hardware design details. The design scheme can meet the low power consumption, low cost, high performance, high quality requirements.