本文提出了由锯齿波,压控振荡器,射频功放,发射天线四部分构成,锯齿波发生器有CD4066芯片双向模拟开关,NE555芯片电路等。 Abstract: As a result of the mobile communication rapid development, the handset already became the people to live one of necessary tools, it brought very many conveniences to the ...