>The chip is popularly known as a filter, which is used for acoustics in mobile telephones; clueless NYT. Article is about microwave circuits, parts of PA. >

>The chip is popularly known as a filter, which is used for acoustics in mobile telephones; clueless NYT. Article is about microwave circuits, parts of PA. > while the parts are small, the market for them worldwide is worth well more than $1 billion a year. According to the charges, the men took the firms’ technology back to Tianjin University, created a joint venture company with the university to produce the chips and soon were selling them both to the Chinese military and to commercial customers. question is did they copy designs verbatim? or simply designed their own? If you want to know more about microwave design/R&D this episode of theamphour featuring Shahriar Shahramian(old bell labs/alcatel-lucent) is excellent http://www.theamphour.com/228-an-interview-with-shahriar-from-the-signal-path-quisquous-quivering-quadripole/ http://www.theamphour.com/228-an-interview-with-shahriar-fro...