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Microwave circuits improve performance

Posted: 27 Jan 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Gina Roos? TT electronics? IRC Advanced Film Division? microwave circuit?

TT electronics IRC Advanced Film Division upgrades its thin-film microwave circuit capabilities with polished ceramic substrates that offer a reduction in propagation delay and in-circuit transmission line losses.

Now available in a 0.010-inch thickness, the polished substrates reduce propagation delay due to shorter signal paths, and the polished ceramic results in reduced in-circuit transmission line losses. The company said the polished ceramic provides approximately a 0.2dB improvement in line loss per inch on a 0.025-inch thick alumina transmission line, and the 0.010-inch thickness of the substrate allows for smaller circuit and element geometries, and a reduced circuit size.

Standard finish thicknesses are available in 0.015-, 0.020- and 0.025 inch, and polished ceramic substrates are available in 0.010-, 0.015- and 0.025-inch thicknesses. Typical applications for the polished ceramic substrates include routers, switches, servers, computers and microwave telecom links, as well as wireless applications. The substrates are also suitable for RF and microwave applications, including military, radar, avionics and satellites.

Pricing for the polished ceramic substrates varies with complexity and volume. Delivery for the devices is from stock to two to six weeks.

- Gina Roos

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