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Substrate Attach Design Guidelines for Bonding Alumina to Aluminum In an effort to achieve higher density microelectronic packages, various ceramic substrate packaging techniques are being introduced. For instance, one of these techniques eliminates the need for a carrier so that a substrate is bonded directly to a housing. The...

A mm-wave, Wireless Local Area Network for Use inside an Aircraft Erwin A. Ulbrich, Jr. and Dan Bryden McDonnell Douglas Aerospace, Transport Aircraft Division Long Beach, CA Existing aircraft contain many transmitters and receivers in their avionics suites. It is a common experience now for aircraft operators to limit...

The True Cost of Hermetic Seals for Aluminum Housings Jack Pollock Special Hermetic Products Inc. Wilton, NH Hermetic seal reliability has been a major concern in the microwave industry for the past 35 years or more. While sealing problems have occurred with various materials and processes, none have approached...

155 GHz MMIC LNAs with 12 dB Gain Fabricated Using a High Yield InP HEMT MMIC Process A highly robust, high performance 0.1 mm passivated InGaAs/InAlAs/InP high electron mobility transistor (InP HEMT) MMIC process with frequency capability to 200 GHz and beyond has been developed. This process has demonstrated...

Multipath Blanking in Shipboard IFM Receivers William B. Sullivan Wide Band Systems Inc. Rockaway, NJ Shipboard electronic support measure/RF collection systems are particularly susceptible to errors due to multipath effects where the receiver observes not only the direct path signal from the emitter, but also signals reflected from the...

AROUND THE CIRCUIT INDUSTRY NEWS Custom component and subsystem manufacturer Advanced Frequency Products , Andover, MA, has been formed following the acquisition of the Digital Radio Transceiver Business from Alpha Industries , Woburn, MA. In an effort to conduct a smooth transition and to keep production and customer service...

New Literature S-parameter Software This S-parameter software describes the company's 100 A, 100 B, 180 R, 700 A and 700 B series capacitors. Each S-parameter file corresponds to a specific capacitance value within a given series and covers the most appropriate frequency range for that capacitor. American Technical Ceramics...

Around the Circuit INDUSTRY NEWS Smiths Industries , London, UK, has acquired lightning-protection and grounding solutions company PolyPhaser Corp. of Minden, NV. PolyPhaser will continue to develop its products under company president John Cole. PolyPhaser joins 35 complementary companies in Smiths Industries’ Industrial Group , including coaxial cable manufacturer...

New Literature Circuit, System and Software Magazine This 24-page Analog Dialogue magazine is a forum for the exchange of information on circuits, systems and software for real-world signal processing. Single- and dual-axis micromachined accelerometers, advanced digital video encoders and voltage regulators for power management are discussed. New products are...

News From Washington Global C2 System in Place The Defense Information Systems Agency and the Joint Staff have shut down the worldwide military command and control system (WWMCCS) top-secret support system and have declared the global command and control system (GCCS)-T the joint command and control (C2) system of...