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In recent years, it has become apparent that bath smelting may be a suitable technology for treating wastes. Technologies developed by Molten Metal Technology, Ausmelt, Mintek, Techtronics, and the University of Wollongong utilize molten baths of metal and slag to process metal-containing wastes. This paper discusses the similarities and differences between these processes, focusing particularly on...
Research carried out at the Microwave Applications Research Centre (MARC) funded under the National Energy Research, Development and Demonstration Program (NERDDP) has shown that microwave retorting of two Australian shales, from Leigh Creek (SA) and Kerosene Creek (Rundle, Queensland) produces oil which has advantages over conventionally retorted oil in terms of its composition. It has a greater...
A high-speed XOR gate is described, which is well suited for several applications. The circuit was fabricated with a 1.25 mu m double-polysilicon bipolar technology. It operates up to at least 8 Gbit/s, which is by far the highest operating speed reported so far for bipolar XOR gates.<<ETX>>
A monolithic microwave frequency divider IC with an operating range of 1.4 - 5.3 GHz was developed and fabricated in a standard bipolar technology. The circuit operates on the principle of "regenerative frequency division". Compared to the more popular divider concepts based on a master-slave D-flip-flop, a much higher input frequency can be divided. A further advantage is the low power...
This paper describes the computer-aided design and physical realization of a 1 GHz bandwidth monolithic integrated differential amplifier using silicon bipolar transistors. Experimental measurements are given which show that the amplifier has a 3 dB cutoff frequency of 1.2 GHz and a noise figure of about 6 dB.
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