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The phenomenon of phase noise generation in oscillator/VCOs has been the main focus of important research efforts and is still an open issue, despite significant gains in practical experience and modern CAD tools for design. In the design of oscillator/VCOs, minimization of the phase noise is the prime task...

The function of a power amplifier (PA) in a radio communications system is to boost a signal to a power level suitable for transmission. In modern RF power amplifier applications, there are two conflicting design requirements: the need for linearity to preserve the fidelity of the signal and the...

Signal source spectral quality has become the single parameter that limits achievable performance of many modern communication and radar systems. In communication systems that utilize complex modulation to achieve spectral efficiency, the achievable bit error rate (BER) is often limited by the transmitter and local oscillator phase noise. In...

Measurements with pulsed stimulus signals are undertaken for a number of reasons. For instance, in a wide range of applications, devices under test (DUT) must be characterized by using pulsed signals instead of CW signals. Here, the DUT is stimulated either with a pulsed RF signal or the device...

Competition to attract consumers in the wireless communications market is driving incredible innovation in the design of feature-rich devices in compact packages. Geometries are shrinking and integrated circuit (IC) densities are expanding, while at the same time application frequency and bandwidth grows. In order to reduce size and weight,...

As traditional RF and microwave component designs move higher in frequency, the accuracy of physical design verification is a key enabling factor. EM solvers play an important role in the accuracy that drives high performance, small size and faster time to market for today’s designs. The Agilent Genesys environment...

The search for more efficient power amplifier technologies to address needs of the 3G and 4G base station market is a continuous one. Put simply, the efficiency of a power amplifier can be thought of as the amount of RF power it transmits divided by the amount of DC...

RF application engineers and component designers throughout the world are constantly striving to find fast and accurate design tools to enable them to reduce design cycles and speed up the development process, and thus minimize customer return times. As design engineers’ needs advance, so too must the software that...

Most applications requiring the generation of RF power depend on silicon and GaAs power transistors with typical outputs ranging from milliwatts to tens of watts. However, less visible but equally important are the wide array of industrial, scientific and medical applications that demand extremely high RF power levels to...

Acceleration Products This web site has been redesigned for those interested in bringing the power of a supercomputer to their desktop. The company’s Accelerator™ and ClusterInABox™ products harness the parallel processing power of GPUs, delivering unrivalled performance to accelerate electromagnetic simulations up to 35¥ faster. New additions to the...