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描述了一种用于在GSM手机终端的多频段PIFA天线设计方法。在天线尺寸为40mm~*12mm~*6mm的条件下,通过电路匹配切换,可以实现GSM850,EGSM900,DCS1800和PCS1900四频段带宽内的驻波比都在-6dB以下,同时保证良好的天线效率。
A multi-band PIFA antenna design method for use in a GSM handset terminal is described. Under the condition that the antenna size is 40mm ~ * 12mm ~ * 6mm, the VSWR within the bandwidth of the GSM850, EGSM900, DCS1800 and PCS1900 in the four bands can be below -6dB through circuit matching switching, and meanwhile, the antenna efficiency is ensured.