Zetexplc designs, manufactures and markets a range of standard and proprietary analog integrated circuits and discrete components. The company's products include voltage regulator circuits, DC-DC converters, voltage references, audio amplifiers, GaAsFET controllers, low-saturation bipolar transistors, low on-resistance MOSFETs, variable capacitance tuners, Schottky diodes, and magnetic Electric sensor, etc. Products used in cellular phones, portable and desktop computers, PDAS, automotive, stage lighting, cameras, satellite TV, process automation, video / multimedia systems. At present, there are more than 2,500 product models, including bipolar, CMOS, HDMOS and trench MOSFET wafer processes. Zetexplc is located in Oldham, England, with a design center, wafer factory, assembly inspection factory. In addition, there is an assembly and packaging factory in Germany, and China Chengdu has a joint venture for chip assembly and testing. Part of the production is done by some subcontractors in Asia.