RF & Microwave Industry News

Motorola and Apprion Complete OEM Agreement

Apprion has signed an OEM agreement with Motorola Inc. that enables the two companies to jointly develop and market integrated wireless application networks for industrial enterprises. By integrating Apprion's industrial-focused wireless appliances and applications with Motorola's comprehensive line of indoor and outdoor wireless networking solutions, industrial enterprises will now...
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Mobile Consumers Prepared to Support Green Initiatives

The results of a recent consumer survey conducted in North America by ABI Research suggest that nearly half of those mobile consumers surveyed are somewhat likely or very likely to be influenced by suppliers' green credentials when purchasing services or devices. Respondents were asked whether they'd be more likely...
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Around the Circuit

Industry News Harris Corp. , an international communications and information technology company, has signed a definitive agreement to acquire the Tyco Electronics Wireless Systems business (formerly known as M/A-COM), an established provider of mission-critical wireless communications systems for law enforcement, fire and rescue, and public service organizations. Tyco Electronics...
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Backfire Disk-on-rod Antenna for Long-range Point-to-point Communications

This article describes a handy design method for a long backfire antenna, called for short a backfire antenna (BFA). It consists of the following basic elements: A feed F (dipole or assembly of crossed dipoles), a surface wave (SW) structure S (dipole array, metal disk-on-rod, dielectric rod, dielectric-covered metal...
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PIN Diode Performance Tradeoffs Across Package and Process Types

In today's global wireless industry, demands for semiconductor performance are becoming increasingly more challenging. Higher power and higher operating frequencies are two themes that permeate throughout this market space. Applications such as Magnetic Resonance Imaging (MRI) and UHF/VHF Tactical Radios require extremely high power handling PIN diodes at lower...
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Theory and Proposed Method for Determining Large-signal Return Loss or "Hot S22" for Power Amplifiers

Power amplifiers (PA) are a critical functional block in today's wireless communications. They are found in every cell phone, cordless phone, RF remote controller, etc. Any application requiring the wireless transmission of analog or digital signals will require a PA. In wireless equipment, the PAs are usually placed as...
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Ka-band Bandpass Filter Using a CPW Structure Technology with Copper on an Al2O3 Substrate

This article presents the performance of a Ka-band bandpass filter (BPF) using a coplanar waveguide (CPW) topology on an Al 2 O 3 substrate. A copper (Cu) metallization was also used in this investigation to improve the characteristics of the filter. The measured results of the BPF, with a...
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