http://www.freshpatents.com/Modulators-dtnewntc332.php USPTO Class 332 - Modulators en-us Mon, 16 Jan 2012 13:30:56 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120112ptan20120007687.php Mon, 16 Jan 2012 13:30:56 -0800 A transmitter using quadrature modulation includes a rectangular to polar converter for converting data symbols into a polar form, where each polar symbol has a magnitude signal and an angle signal. Digital phase modulation circuitry includes an all digital PLL circuit for generating a phase modulated RF carrier signal responsive...