Nancy Friedrich

Microwaves & RF

Nancy Friedrich began her career in technical publishing in 1998. After a stint with sister publication Electronic Design as Chief Copy Editor, Nancy worked as Managing Editor of Embedded Systems Development. She then became a Technology Editor at Wireless Systems Design, an offshoot of Microwaves & RF. Nancy has called the microwave space “home” since 2005.

GPS And Galileo RF IC Offers 1.4 dB Cascaded Noise
BECAUSE THE BASEBAND FUNCTIONALITY is already available, all that is needed for a complete Global Positioning System (GPS) receiver is often an additional GPS radio-frequency integrated circuit (RF IC). The MAX2769E/W, for example, is a ...
Company News
Contracts Aperto NetworksHas been selected by Egypt's Ministry of Interior to provide equipment for that nation's first WiMAX network. The equipment will be used to connect Egyptian police stations and offices nationwide. The deployment of the ...
GSA Picks Tong For Board Of Directors The Global Semiconductor Alliance (GSA) has elected VINCENT TONG, vice president of worldwide quality and reliability engineering for Xilinx, to its board of directors. Tong has more than 20 years of ...
Dielectric Waveguides Feed Millimeter-Wave Antennas
FOR RECEIVER AND TRANSMITTER front ends in the millimeter-wave range to be widely used, certain problems must be resolved. An example is the connection of a miniature millimeterwave, monolithic integrated-circuit chip to an external antenna. To ...
OFDM Will Soon Be Dominant Form Of Digital Modulation
ORTHOGONAL FREQUENCY division multiplexing (OFDM) is at the root of WiMAX and many next-generation technologies. This form of digital modulation is spectrally efficient, as it carries more data per unit of bandwidth than modulation formats used ...
Radio-Astronomy LNA Boasts Noise Figure Under 0.2 dB
THE SQUARE KILOMETER ARRAY (SKA) radio synthesis telescope is estimated to require millions of receivers. To keep receiver cost down, CMOS technology is being looked at as an option. With recent improvements in CMOS transistors, this technology ...
Simulation And Measurements Prove RF-Relay Performance
TODAY'S MANUFACTURERS ARE being pressured to put their parts through more rigorous high-speed/ high-frequency testing. Teledyne Relays (www., for example, recently collaborated with two customers to evaluate the performance ...
Imaging Systems Overcome Atmosphere And Materials
BOTH HOMELAND SECURITY and military agencies have been seeking technologies that detect guns, knives and improvised explosive devices (IEDs). Using the millimeter and sub-millimeter wavebands, techniques to image people when they are close to a ...
CST Acquires Flomerics' EM Business Line
For software vendors, acquisitions usually offer a chance to enter new market areas and an immediate way to provide new services and products for customers. Through its acquisition of Flomerics' ( electromagnetic (EM) simulation ...
Millimeter-Wave Power Divider Spans 10 To 45 GHz
THE MILLIMETER-WAVE ARENA continues to experience growth in applications like radar, microwave communications, and broadband test equipment. Finding a niche in such applications is the 4428C-2 two-way RF power divider, which boasts a ...
Reflector System Could Satisfy Antennas On Spinning Platforms
Current spacecraft antenna design must confront the problem of how to mount and deploy large reflector antennas on spinning platforms. The reflector spins at approximately 10 to 40 rpm to cover the desired scanned area on Earth. One solution - ...
MMIC Receiver Covers 4.5 To 10.5 GHz
A fully integrated gallium-arsenide (GaAs), monolithic-microwave-integrated- circuit (MMIC) receiver has been spawned for wirelesscommunications applications like millimeter-wave point-to-point radio, local multipoint distribution services ...
Luneberg Lens Offers Wide Scan With Multiple Pencil Beams
Recently, there has been a resurgence in research interest in spherical Luneberg and homogeneous lens antennas for launching multiple pencil beams. With these approaches, all of the generated beams are almost identical because of the inherent ...
Digital Phosphor Oscilloscopes Tackle Video Measurements
Video measurements pose a tough challenge because of the complexity of video waveforms. Such waveforms often combine the signals that represent the video picture with the timing information that is needed to display the picture. Although some ...
2.4- And 5-GHz Pas Form IEEE 802.11n Building Blocks
With the growing popularity of Wi-Fi, IEEE 802.11n wireless-localarea- networking (WLAN) capability is being designed into many next-generation products. To simplify this process, two new power amplifiers (PAs) promise to simplify design ...

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