RF Amplifier Design

RF amplifiers convert low-power RF signals into higher-power signals suited for driving antennas or other circuitry.

Power Amplifiers Fuel Mil/Aero Ground and Space Systems

July 18, 2024

Aerospace and defense systems rely heavily on RF/microwave power amplifiers to send often complex-modulated signals to their destinations. Learn more about key specifications ...

Systems

A 60-GHz Power Amplifier for Aerospace and Telecom Apps

Aug. 5, 2022

Learn about a 4-way, 60-GHz PA designed and fabricated in a standard 90-nm CMOS process. The strategy broke up the amp into its basic components, optimized the model parameters...

Systems

How to Make a Digital Predistortion Solution Practical and Relevant

Jan. 26, 2022

For digital predistortion implementations, static quantitative data fails to capture many challenges, risks, and performance tradeoffs of real-world scenarios. Here's how to get...

Semiconductors

2.5-GHz Amp Implements 400-W Asymmetric Doherty Architecture

Nov. 30, 2021

Developed by Ampleon, this asymmetric Doherty RF power transistor offers moderate gain and high efficiency in a band centered at 2.5 GHz.

Software

Simulating the Stability of a Three-Stage Microwave Power Amplifier

July 21, 2021

By leveraging advanced software, accurate results were obtained in the design, simulation, and testing of a power amplifier. This article is a study focused on unconditional stability...

More content from RF Amplifier Design

Semiconductors

GaN Devices Raising the Output-Power Performance Bar

March 24, 2021

Discrete GaN transistors, whether in die or packaged forms, offer high power density to boost pulsed signals in C-, L-, and S-band radars and communications applications.

Components

Choosing RF Switches for High-Power Applications

Oct. 23, 2020

Signal switching is critical in many RF applications, so it’s important for users to select the correct type of switch for their high-power apps.

Components

Apply a New Approach to Dual-Fed Distributed Amplifier Design

Nov. 13, 2019

This novel design method helps improve gain for the dual-fed DA by approximating gain using the Chebyshev polynomial.

Components

Solid-State Amplifiers “Amp” Up the Power

Sept. 10, 2018

Solid-state technology, mainly in the form of gallium-nitride transistors, is opening the door to more powerful, “tube-like” microwave power amplifiers.

Software

Accelerate PA Design with Source/Load-Pull ACPR and EVM Measurements

June 23, 2017

Power-amplifier (PA) designers can take advantage of software that allows them to utilize complex load-pull data sets, thereby streamlining the design process.

Semiconductors

5 Technology Areas to Watch in 2017

Jan. 5, 2017

This year, expect to see the RF/microwave industry produce solutions that push technological boundaries to meet new and emerging requirements.

Active components

Choosing Between CW and Pulsed Power Amps

Nov. 19, 2016

The electrical and mechanical design approaches taken with high-power RF/microwave amplifiers depend on whether they are intended for pulsed or CW applications.

Technologies

Picking PCB Materials for Microwave Amps

May 27, 2015

Requirements are somewhat different for circuit materials supporting RF/microwave power amplifiers compared to materials for low-noise amplifiers.

Materials

Picking Proper PCB Materials For LNAs

June 12, 2014

The choice of printed-circuit-board material can have an impact on the performance possible from an RF/microwave high-frequency LNA design.

Content

Tackling Thermal Issues In RF Design

April 11, 2011

Just as electrical energy must overcome resistance in a circuit, the flow of heat through a design relies on overcoming thermal obstacles before it can be safely dissipated.

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Components

Applying S-Parameters To Amplifier Design

July 29, 2004

This opening installment of an eight-part design series explains the concept of S-parameters and how they can be used to create basic transistor bias circuitry.