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May 7, 2013

Article

Vector Signal Generator Spans 100 kHz To 6 GHz

These vector signal generators are available with modulation bandwidths of 160 MHz for carrier frequencies to 6 GHz....More
May 4, 2013

Article

Cobra Judy Replacement Radars Pass Test

The Cobra Judy Replacement program is tasked with delivering a high-performing ship-board radar capability for use by the US Navy, Air Force, and the nation....More
May 3, 2013

Article

Vector Network Analyzers Support Versatile Testing

Available in both portable and bench top versions, vector network analyzers have become one of the workhorse measurement tools of the RF/microwave industry....More
May 2, 2013

Article

Modifications Improve Reflectarray Antennas

Modifications to a standard aperture-coupled microstrip antenna can be used to develop reflectarray antennas with improved bandwidth and efficiency....More
Apr. 30, 2013

Article

RF Transformer Extends To 4 GHz

for impedance matching from 10 to 4000 MHz, this surface-mount RF attenuator minimizes insertion loss with respectable return-loss performance....More
Apr. 30, 2013

Article

Attenuator Adjusts Levels To 11 GHz

This variable attenuator boasts 0.1-dB control of a 30-dB attenuation range from 7 to 11 GHz....More
Apr. 30, 2013

Article

Programmable LPF Screens ADC Circuits

This lowpass filter provides programmable screening of bandwidths from 5 to 72 MHz suitable for integration into microwave radios....More
Apr. 30, 2013

Article

Wideband VCO Tunes 2700 To 5400 MHz

A low-noise oscillator delivers robust +7 dBm output power from 2700 to 5400 MHz....More
Apr. 30, 2013

Article

Oscillator Tunes From 5685 To 5780 MHz

This tunable, low-noise oscillator supports numerous communications applications through 5780 MHz....More
Apr. 30, 2013

Article

Radio IC Drives LTE Pico Cells

This programmable IC contains many of the radio components needed for small indoor and outdoor cellular communications base stations using LTE/3G channels....More
Apr. 26, 2013

Article

Tackling Terahertz Transceiver Design

Improvements in photonic and electronic technologies are enabling the development of devices and components capable of operating at terahertz frequencies....More
Apr. 25, 2013

Article

Simulate A Doherty Amplifier With DPD

Designing a Doherty amplifier actually involves the design of two related amplifiers, with carefully maintained impedance matching between them....More
Apr. 25, 2013

Article

Attenuators Step From 1 To 6000 MHz

These digital step attenuators operate from 1 to 6000 MHz with 0.25-dB steps in versions with maximum attenuation values of 30, 60, and 90 dB....More
Apr. 24, 2013

Article

LNA Quiets Cellular And Satcom Radios

This compact low-noise amplifier provides excellent noise figure from 700 to 3800 MHz....More
Apr. 22, 2013

Article

Single CDTA Leads To Multiple Filters

An active component, a CDTA, can be used as the basis for a variety of different filter responses, selecting the different responses by changing bias current to the amplifier....More
Apr. 17, 2013

Article

Optimize Varactor-Tuned Oscillators

This accurate model of a varactor diode should help designers of voltage-controlled oscillators (VCOs)....More
Apr. 9, 2013

Article

High-Def Scopes Grab 0.2 To 1 GHz

A line of digital oscilloscopes uses 12-b ADCs and advanced filtering to render 15-b effective signal-analysis resolution....More
Apr. 9, 2013

Article

Measure Noise Without A Calibrated Source 1

It is possible to measure the noise figure of a component or DUT without a calibrated noise source by using a source capable of generated two different input noise levels to the DUT....More
Apr. 9, 2013

Article

Source Serves FMCW Radar

A commercial direct-digital synthesizer was used as the linear source in an FMCW radar system, with excellent results....More
Apr. 4, 2013

Article

Drone Controversy Continues

A large part of the population—in the US and probably abroad—is concerned about drones, and their numbers and efforts are growing....More
Apr. 3, 2013

Article

25-GSamples/s DAC Powers Function Modules

A line of function modules is now available to generate signals through about 12 GHz using a 25-GSamples/s, 10-b DAC....More
Apr. 3, 2013

Article

EM Simulator Enhanced For 2013

This latest version of a powerful EM simulator features new solver technology and a streamlined new GUI....More
Apr. 3, 2013

Article

Handling The Heat In RF/MW Circuits

Thermal management in high-frequency circuits depends on careful choice of circuit and packaging materials to remove heat and preserve high performance levels....More
Apr. 1, 2013

Article

Industry Mourns Loss Of Jerry Fishman, ADI CEO

On March 31, 2012, Jerry Fishman, Analog Devices’ CEO, passed away suddenly—leaving a company and an industry to grieve his loss....More
Apr. 1, 2013

Article

Vacuum Devices Drive High Power

Vacuum electron devices are still widely used throughout the high-frequency industry for applications requiring extremely high output-power densities....More

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GaN Roundtable: The State of GaN Reliability Today

Wednesday, April 3rd, 2013, 2:00 pm ET. Gallium nitride (GaN) has come a long way over the past few years in terms of affordability, industry acceptance and, in particular, reliability. In this webcast roundtable, a panel of expert speakers will assess the current state of GaN reliability, along with offering predictions for its future.

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