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ISSUE DATE: OCTOBER 2004 | |
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October 2004 - In This Issue [Cover Story] EDA Software’s Ease Of Use Belies Power Electronic-design-automation (EDA) software is a starting point for many high-frequency design engineers. Modern EDA tools can predict the performance of an RF/microwave component or circuit to within a fraction of a decibel but, like any software... — Kirt Kisling [News] Emerging Technologies Benefit Creative Designers Emerging technologies often have a gradual but long-term effect on how high-frequency design engineers work. For example, when gallium-arsenide (GaAs) transistors and integrated circuits became commercially viable in the mid-1980s, amplifier... — Jack Browne [News] An Interview with iTerra’s Peter Walters MRF: One of iTerra's key strengths appears to be expertise in microwave, digital, and optical technologies, and the ability integrate them. Was this your intention from the beginning? Walters: It was the combination... — Barry Manz [Design Features] Size Up Acceleration Sensitivity On XOs Acceleration force can alter the performance of a quartz crystal or crystal oscillator. The nature of the effect depends on the type of force that is being applied. Changes in the static gravitational force such as tilting or rotation will cause a... — Steven J. Fry [Design Features] Method Simultaneously Matches Inputs and Outputs Engineers working on amplifier designs learned about the unilateral gain approach last month in Part 3 of this article series. That technique aims at simplifying amplifier design by providing an approximate solution, ignoring feedback in the... — Joseph F. White [Design Features] HBT Devices Deliver Gain/Linearity To 2.4 GHz Linearity has become a driving requirement for wireless amplification, especially with the push toward more efficient bandwidth usage and more complex modulation formats. Discrete devices, such as the MMA709 heterojunction-bipolar transistor (HBT)... — Peter Sahjani [Product Technology] BNC Connectors Serve Microwave Needs Microwave and RF engineers have long assumed that true high-frequency connectors, with the exception of blind-mate types, must have a threaded securing ring for a reliable ground connection. Because of this, the BNC connector has often been... — Dale Reed [Product Technology] Instrument Creates Waveforms To 1 GHz Arbitrary waveform generators (AWGs) offer almost unlimited flexibility in creating the most complex waveforms. Traditionally, such instruments have been limited in bandwidth and resolution, since they require the use of high-speed digital-to-analog... — Jack Browne [Product Technology] GSA Test Plan Saves Government Buyers Increasing military spending and expansion of homeland-security capabilities translate into greater need for electronic test and measurement equipment. For the test-equipment procurement taking place on the part of the US military, and by Federal... — Jack Browne [Editorial] When Do They Finally Emerge? Emerging technologies impact high-frequency electronic designs by providing alternative approaches to achieving a function. The function may be a simple as amplifying a signal, or a complex as restoring lost bits to a data stream. But what... — Jack Browne |
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