Read on for a deep dive into cylindrical cavity resonators to learn how they can be represented by an equivalent lumped element model for each resonant mode operation.
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Characteristic impedance is an important parameter of transmission lines, and the value is a real number in a lossless line and a complex number in a lossy line.
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Space vector pulse width modulation can be used to improve utilization of DC input voltage and achieve increased fundamental output voltage in three-phase inverters.
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Oversampling and noise shaping during delta-sigma modulation increases its effectiveness, resulting in the efficient digital transmission of signals.
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In an electromagnetic wave propagating through a medium, using the ratio of the magnitude of the electric field to the magnetic field allows you to derive the intrinsic impedance.
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Maxwell’s equations and Fourier transforms are fundamental for working in the frequency domain. Read this guide for more information.
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Read on to learn how to calculate the energy density of an electromagnetic wave using the sum of the electric field energy density and magnetic field energy density.
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In an electromagnetic wave propagating through a non-homogenous medium, Maxwell’s equation is solved under boundary conditions to achieve associated electromagnetic quantities.
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Mitigate potential electromagnetic interference issues caused by digital and analog signals by paying attention to the partitioning and layout of mixed-signal PCBs.
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EMI is one of the major problems that cause failures in PCBs—learn how to design PCBs for electromagnetic compatibility to reduce EMI.
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Rat-race couplers are used for phase shifting, dividing, and combining power in power amplifiers, Butler matrices, and phase array power feeding networks.
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Use high potential (HiPOT) testing to measure dielectric strength and detect electrostatic stress failures in PCB materials before manufacturing begins.
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Amplifier stability analysis involves ensuring your output signal is free of ringing, oscillation, clipping, and unintended feedback.
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Here’s how you can measure VSWR using a directional coupler in transmission lines and antennas.
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The high efficiency and positive gain greater than unity of common-emitter transistor amplifiers make them a popular choice for designers.
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In this article, we look at the differences between monolithic and hybrid microwave integrated circuits.
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The non-linear active devices employed in amplifiers cause output signal distortions such as frequency distortion, phase distortion, weak distortion, and clipping distortion.
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Impedance matching is employed as either conjugate matching or reflectionless matching depending on the requirements of maximum power transfer or minimum reflections, respectively.
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Directional couplers are passive four-port networks used to sample the incident and reflected electromagnetic power in RF and microwave circuits.
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With the growth of communication and broadcasting systems, circular cavity resonator-based, frequency-tunable microwave components are becoming widely used.
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