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RF Amplifier Stability Factors and Stabilization Techniques

Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can help you do both.

one day ago by Dr. Steve Arar

Using the Operating Power Gain to Design a Bilateral RF Amplifier

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.

4 days ago by Dr. Steve Arar

A Raspberry Pi Pico Controlled Frequency Shift Audio Oscillator:  A Radio Shack Classics Circuit Remix

A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science Fair electronic oscillator circuit with audio output.

November 26, 2023 by Don Wilcher

Adding Hysteresis to a Comparator Circuit: LTspice Lab

This article uses SPICE simulations to explain the functionality of hysteresis based on positive feedback in a comparator circuit.

November 22, 2023 by Robert Keim

Understanding Hysteresis in Electronic Components and Circuits

Learn about the behavior and benefits of hysteresis in comparator circuits, magnetic components, and high-power devices.

November 19, 2023 by Robert Keim

How to Design a Bilateral RF Amplifier for Maximum Gain

This article explores the design of bilateral RF amplifiers for maximum transducer gain, and explains how to assess whether an RF amplifier is bilateral or unilateral.

November 17, 2023 by Dr. Steve Arar

Introduction to Hysteresis: Rate-Dependent and Rate-Independent Hysteresis

This article, the second in a series on hysteresis, explains two types of hysteresis found in engineered systems.

November 15, 2023 by Robert Keim

MOSFET Non-Idealities in Analog IC Design

MOS transistors exhibit a wide variety of second-order effects not covered by ideal models. To design analog integrated circuits that will work in the real world, we need to understand these non-idealities.

November 10, 2023 by Nicholas St. John

Designing a Unilateral RF Amplifier for a Specified Gain

Learn about the role of gain analysis in the design of unilateral RF amplifiers, first by reviewing the basic concepts and then by working through a pair of design examples.

November 03, 2023 by Dr. Steve Arar

MOSFET Structure and Operation for Analog IC Design

Learn about the theory and implementation of MOSFETs, a key component of today’s analog integrated circuits.

November 01, 2023 by Nicholas St. John

An A-Weighted Analog Filter that Mimics the Response of the Human Ear

In this project, we design an A-weighted analog noise filter for audio frequencies. The filter provides a variable frequency gain response that is similar to that of our hearing.

October 29, 2023 by John Woodgate

Introduction to Analog IC Design

Interested in learning about analog integrated circuits? This article explores the design metrics and applications of these essential but underappreciated ICs.

October 27, 2023 by Nicholas St. John

Unconditional Stability and Potential Instability in RF Amplifier Design

Stability analysis is an integral part of RF design. Learn the basics of stability analysis, including how to determine whether a device is unconditionally stable or potentially unstable.

October 25, 2023 by Dr. Steve Arar

ADC Linearity Testing: the Sinusoidal Histogram Method

This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC) parameters, along with the advantages of doing so.

October 20, 2023 by Dr. Steve Arar

Servo-Loop ADC Testing: Choosing the Parameters

In this article, we’ll take a look at how servo-loop ADC test parameters can be chosen based on the noise level of the ADC and the desired measurement precision.

October 11, 2023 by Dr. Steve Arar

An Introduction to Filters

Learn about various types of filters, including common terminology and important characteristics.

September 30, 2023 by Nick Davis

X7R, X5R, C0G…: A Concise Guide to Ceramic Capacitor Types

This technical brief attempts to dispel some of the fog surrounding the three-character naming convention used to describe ceramic caps.

September 23, 2023 by Robert Keim

Introduction to Servo-Loop ADC Testing

Servo-loop testing allows the determination of an analog-to-digital converter (ADC) transfer function. This article will describe the basics of servo-loop ADC testing and illustrate several different servo-loop test configurations.

August 20, 2023 by Dr. Steve Arar

Understanding Security Keys in Bluetooth Low Energy

Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).

August 13, 2023 by Nthatisi Hlapisi

Design of an Unweighted Audio Filter with Flat Frequency Response

This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to 20 kHz for the measurement of audio noise.

July 23, 2023 by John Woodgate