Semiconductors / Integrated Circuits

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CMOS technology continues to gain market acceptance for high performance applications due to the combination of low cost, high level integration and availability. As a result, more engineers are experimenting with CMOS processes and customizing new methodologies to integrate RF, analog and digital circuits in a single chip. The...

The demand on mobile communications has grown over recent years. Today’s mobile communication systems use sophisticated signal processing to achieve high transmission rates. The challenges for the next generation wireless systems will increase even further, when designs will need to meet multi-standards and achieve reconfigurability. Evaluations of various integration...

Product Feature:

An X-band Phased-array Radar MMIC Chip Set

Mimix Broadband Inc., Houston, TX

Radio detection and ranging or RADAR has been around since its first implementation in the early 1900s when the use of radio waves was first used to detect the presence of ships in dense fog. The actual acronym was not coined until the early 1940s. X-band radar, in particular, has been around since the outset of World War II and continues to see extensive use. Typical X-band radar applications include air traffic control, detection of precipitation, speeding traffic and military use. Military uses include detecting and tracking aircraft, ships, missiles and other objects with the intention of harming any of our armed forces protecting our country and its interests. Various types of radar include continuous wave (CW), dual-pole, phased array, pulsed, single-pole and synthetic aperture radar (SAR). Many of the advanced X-band radars used today are typically based on active phased arrays requiring the use of many multiple phase array element sections.

Advances Two Positions In Leading Research Firm's Ranking Of Worldwide Subscriber RF And Baseband Semiconductor Application-Specific Device Suppliers

Lightweight 0.190" spaceflight microwave cable assemblies have been introduced that weigh 20 percent less than the company's traditional 0.190" cable assemblies. The new cables are qualified to operate up to 18 GHz over a -100° to +125°C temperature range and are designed to meet the rigorous requirements of the...

Wireless infrastructure designers must often contend with conflicting goals when developing new equipment for the base transceiver station (BTS) market. The components used in today's systems are frequently required to operate over multiple bands and under multiple modulation formats. The quest for higher performance, lower cost, component interchangeability and...

Advances in MIC and MMIC technology have motivated the demand for compact, high performance filters, diplexers and multiplexers used in microwave receiver systems. Combline bandpass filters have been in great demand because of their structural compactness and excellent wide stop-band performance. They are easy to fabricate in printed circuit...

Improving VSWR is typically an iterative trial-and-error exercise when utilizing either frequency or time domain information. For example, while circuit modifications which decrease time domain reflectometry (TDR) "bumps" (discontinuities) are generally a good thing, decreasing a specific TDR bump does not necessarily improve VSWR within a frequency band of...