在无线遥控领域，PT2262/2272 是目前最常用的芯片之一，但由于芯片要求配对使用，在很大程度上影响了该芯片的使用，笔者从PT2262 波形特征入手，结合应用实际，提出软件解码的方法和具体措施。-In the field of wireless remote control, PT2262/2272 is one of the most commonly used chip, but because of the use of chip matching requirement, to a large extent the impact of the use of the chip, and the author PT2262 waveform characteristics from the start, combined with practical applications, the software decoder methods and specific measures.