Latest Filters Technical Articles

This article discusses VLSI (very-large-scale integration) circuits and the sources of non-idealities that affect MOS transistors.

This article discusses VLSI (very-large-scale integration) circuits and the sources of non-idealities that affect MOS transistors.

This article is a general guideline on the main aspects of commercially-available amplifiers.

This article is a general guideline on the main aspects of commercially-available amplifiers.

This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the…

This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the need for anti-aliasing filters in analog-to-digital conversion.

This article continues our series on sampling theory by explaining the importance of oversampling in real-life…

This article continues our series on sampling theory by explaining the importance of oversampling in real-life mixed-signal systems.

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.

In this article, we’ll take a look at the analog blocks for implementing the square wave-based synchronous demodulator.

In this article, we’ll take a look at the analog blocks for implementing the square wave-based synchronous demodulator.

Learn about how power spectral density (PSD) helps us to examine the effect of a noise source on the output of a linear…

Learn about how power spectral density (PSD) helps us to examine the effect of a noise source on the output of a linear time-invariant (LTI) system.

In this article, we’ll look at the pros and cons of using a switch-based multiplier.

In this article, we’ll look at the pros and cons of using a switch-based multiplier.

This article explains why validation is particularly important when we’re processing data using a neural network.

This article explains why validation is particularly important when we’re processing data using a neural network.

This article will look at the trade-offs we face when trying to improve the linearity of a circuit.

This article will look at the trade-offs we face when trying to improve the linearity of a circuit.

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.

This article will discuss the basic idea behind the synchronous demodulation technique.

This article will discuss the basic idea behind the synchronous demodulation technique.

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise…

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise root mean square (RMS) and peak-to-peak value.

In this article, we’ll first review the basic architecture of a SAR ADC and then take a look at one of its common applications.

In this article, we’ll first review the basic architecture of a SAR ADC and then take a look at one of its common applications.

This is Part 3 of a series of articles about the Moog ladder filter. In this article, we'll define the characteristics of…

This is Part 3 of a series of articles about the Moog ladder filter. In this article, we'll define the characteristics of the Moog filter, including its properties.

This article explores the Butterworth low-pass filter, also known as the maximally flat filter, from the perspective of…

This article explores the Butterworth low-pass filter, also known as the maximally flat filter, from the perspective of its pole-zero diagram.

In this second part of a series of articles, we investigate the role of the output impedance of a real-life op-amp.

In this second part of a series of articles, we investigate the role of the output impedance of a real-life op-amp.

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

We are analyzing the behavior of the Moog ladder filter. In this section, we will analyze the heart of the topology and…

We are analyzing the behavior of the Moog ladder filter. In this section, we will analyze the heart of the topology and express the small-signal open-loop transfer function of the filter as a whole.