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…
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 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.
Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits.…
Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits. This article covers the theory, design, and key features of analog square wave generators.
Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to…
Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.
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 how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.
Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.
Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using…
Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.
While semiconductor devices make possible the lightweight 'gadgets' we enjoy, our electronic world was built on devices…
While semiconductor devices make possible the lightweight 'gadgets' we enjoy, our electronic world was built on devices that operated on a different scale. Let's take a look at vacuum tubes!
This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.
This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.
This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.
This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.
This article discusses the theory fundamentals of lock-in amplifiers.
This article discusses the theory fundamentals of lock-in amplifiers.
In Part 5 of this series on composite amplifiers, we'll discuss how to achieve higher DC precision.
In Part 5 of this series on composite amplifiers, we'll discuss how to achieve higher DC precision.
Learn how to get faster composite op-amp dynamics by raising the slew rate.
Learn how to get faster composite op-amp dynamics by raising the slew rate.
This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve…
This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve faster op-amp dynamics by expanding the frequency bandwidth.
Learn how simulating a voltage buffer can help you implement it more effectively to boost the output current drive of an op-amp.
Learn how simulating a voltage buffer can help you implement it more effectively to boost the output current drive of an op-amp.
In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output…
In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the…
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.
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