Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article introduces the basic common-drain…
Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article introduces the basic common-drain configuration and examines its large-signal characteristics.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
High-speed data transmission interfaces such as USB, HDMI, and Ethernet use differential signaling due to its superior…
High-speed data transmission interfaces such as USB, HDMI, and Ethernet use differential signaling due to its superior noise immunity. Even so, some noise still appears. To remove it, we need to understand where it comes from and why.
To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew…
To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew rate. In this article, we examine its causes and effects.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain…
In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain transfer function.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by…
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to…
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to the inductively-loaded Class A design.
The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to…
The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to model MOS transistors' small-signal behaviors.
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers…
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.
Learn how an inductively-loaded common-emitter stage can function as a power amplifier.
Learn how an inductively-loaded common-emitter stage can function as a power amplifier.
RF amplifier design is a challenging task, involving trade-offs between linearity, efficiency, gain, and output power.…
RF amplifier design is a challenging task, involving trade-offs between linearity, efficiency, gain, and output power. Here, we examine how a common-emitter circuit can, or can't, function as a power amplifier.
Learn how the available power gain concept can help us solve the problem of designing a bilateral RF amplifier for a…
Learn how the available power gain concept can help us solve the problem of designing a bilateral RF amplifier for a specified gain and noise figure.
In this article, we learn about noise parameters and use Smith charts to design a unilateral low-noise amplifier (LNA)…
In this article, we learn about noise parameters and use Smith charts to design a unilateral low-noise amplifier (LNA) for a specified gain.
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4…
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.
Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can…
Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can help you do both.
For newbie RF designers, the field's variety of power gain definitions can cause confusion. This article explains how,…
For newbie RF designers, the field's variety of power gain definitions can cause confusion. This article explains how, why, and when to use the operating power gain definition in RF amplifier design.