Learn about measuring the noise figure (NF) using the Y factor method. We'll dive into using this to find the noise factor, how to calibrate for noise temperature, and much more.
June 11, 2023 by Dr. Steve Arar
Learn another way to characterize RF noise components using noise temperature and how this concept clears up how noise figure measurement instruments actually work.
May 28, 2023 by Dr. Steve Arar
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.
May 07, 2023 by Dr. Steve Arar
Learn about impedance matching using a single stub, transmission lines, and immittance Smith chart examples.
May 05, 2023 by Dr. Steve Arar
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.
May 03, 2023 by John Woodgate
Learn about impedance matching stub tuning using a Smith chart, as well as single and double stub tuning, impedance contour, and the "forbidden region" of a Smith chart.
April 21, 2023 by Dr. Steve Arar
Learn about slot antennas, namely their history, characteristics, and electromagnetic (EM) behavior for low-voltage, small-form-factor electronic devices.
April 16, 2023 by Robert Keim
Learn about l-type impedance matching equations through the quality factor (Q factor) of RC and RL circuits and the series-parallel conversion of these circuits.l-
April 14, 2023 by Dr. Steve Arar
Learn more about L-sections and impedance matching by designing T and Pi matching networks using a Smith chart.
April 12, 2023 by Dr. Steve Arar
Learn about two-element networks (L-sections or L-networks), how they transform one impedance to another, their frequency response, estimating their bandwidth, and their limitations leading to T networks.
April 07, 2023 by Dr. Steve Arar
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance matching, and finding a two-element matching network.
March 31, 2023 by Dr. Steve Arar
Learn about the admittance Smith chart to analyze a parallel connection of resistors, capacitors, and inductors, and see the circuit's behavior over the swept frequency range.
March 24, 2023 by Dr. Steve Arar
Learn how a series RLC circuit with arbitrary component values can be represented as a point on the Smith chart and how an impedance contour on the Smith chart can be used to describe the circuit's frequency response.
March 17, 2023 by Dr. Steve Arar
Learn about the history and ins/outs of the Smith chart, as well as how it relates to the reflection coefficient and makes calculating impedance easier.
March 03, 2023 by Dr. Steve Arar
Learn about the effect of mismatch loss on a lossy line, a method to reduce the mismatch loss through fixed attenuators, and the statistical models of this error.
February 26, 2023 by Dr. Steve Arar
Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how it communicates with devices.
February 19, 2023 by Nthatisi Hlapisi
Using the mismatch loss equations, learn about the effect of mismatch loss on RF power measurement and the gain of cascaded amplifiers.
February 15, 2023 by Dr. Steve Arar
Learn more about RF wave reflection parameters, namely mismatch loss and mismatch uncertainty.
February 10, 2023 by Dr. Steve Arar
Learn about voltage standing wave ratio (VSWR), return loss, and mismatch loss, which helps characterize the wave reflections in a radio frequency (RF) design.
February 05, 2023 by Dr. Steve Arar
Learn about radio frequency (RF) wave propagation and reflection via transmission lines, equations, and example waveforms.
January 29, 2023 by Dr. Steve Arar
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