The Y-factor method is a widely used technique for measuring the gain and noise figure (NF) of RF components. This article will help you understand the…
The Y-factor method is a widely used technique for measuring the gain and noise figure (NF) of RF components. This article will help you understand the differences between the insertion gain and the available gain, while avoiding potentially significant errors when measuring the noise figure.
This project demonstrates the design and operation of a root-mean-squared (RMS) detector for inclusion in a wideband…
This project demonstrates the design and operation of a root-mean-squared (RMS) detector for inclusion in a wideband voltmeter. The RMS detector is useful for measuring certain signal types, including noise, since it provides an indication of the energy in a signal.
Learn about the RF noise figure (NF), its power gain, lossy components, and cascaded systems.
Learn about the RF noise figure (NF), its power gain, lossy components, and cascaded systems.
Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor…
Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor voltage-inverting power supply.
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous…
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity…
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.
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or…
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.
In addition to explaining the nature of a negative voltage, this article briefly discusses how negative voltages are…
In addition to explaining the nature of a negative voltage, this article briefly discusses how negative voltages are generated and why they are useful in circuit design.
Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are…
Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are buried, unseen, inside electronic circuitry. Learn what they are and how they are designed.
This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from…
This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.
Learn about thermocouple signal conditioning and thermocouple nonlinearity through two different monolithic thermocouple…
Learn about thermocouple signal conditioning and thermocouple nonlinearity through two different monolithic thermocouple amplifier solutions: the AD849x family and the LT1025.
Learn about temperature drift in electronic circuits, namely in resistors and amplifiers. We'll also cover how the effect…
Learn about temperature drift in electronic circuits, namely in resistors and amplifiers. We'll also cover how the effect of flicker noise comes into play and how drift limits the effectiveness of signal averaging.
Learn about piezoelectric accelerometers with integrated electronics piezoelectrics (IEPEs), namely an IEPE's voltage…
Learn about piezoelectric accelerometers with integrated electronics piezoelectrics (IEPEs), namely an IEPE's voltage mode, charge mode, and dynamic range.
Learn about charge amplifier limitations at low frequencies, the effects of time constants, and how the drift phenomenon…
Learn about charge amplifier limitations at low frequencies, the effects of time constants, and how the drift phenomenon can also introduce errors in low-frequency measurements.
Learn about charge amplifiers which are used for charge output conversion of a piezoelectric sensor into a usable voltage signal.
Learn about charge amplifiers which are used for charge output conversion of a piezoelectric sensor into a usable voltage signal.
Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine…
Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine sine waves, harmonics, and intermodulation distortion.
Learn about frequency response and bandwidth specification of MEMS accelerometers.
Learn about frequency response and bandwidth specification of MEMS accelerometers.
How does an amplifier's input offset voltage impact the accuracy of a current sense resistor's measurement? And how does…
How does an amplifier's input offset voltage impact the accuracy of a current sense resistor's measurement? And how does amplifier output swing affect your shunt resistor value? Learn this and more in this technical article.
In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.
In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.
What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well…
What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well as when each is the more appropriate design choice.
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