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Thursday, 5 March 2015

RF Power Amplifier

An RF power amplifier is a type of electronic amplifier used to convert a low-power radio-frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. It is usually optimized to have high efficiency, high output Power (P1dB) compression, good return loss on the input and output, good gain, and optimum heat dissipation.
The basic applications of the RF power amplifier include driving to another high power source, driving a transmitting antenna and exciting microwave cavity resonators. Among these applications, driving transmitter antennas is most well known. The transmitter–receivers are used not only for voice and data communication but also for weather sensing (in the form of a radar).

RF Amplifier Classes Part 1

RF Amplifier Classes Part 2

Basics of Transistor bias point and the class of amplifier operation

Common Emitter, Common Collector, and Common Base Transistor amplifiers

DC Simulation in Advanced Design System


AC Simulation in Advanced Design System


How to Design an RF Power Amplifier:- The Basics

How to Design an RF Power Amplifier:-  Class A, AB and B

How to Design an RF Power Amplifier:-  Class F

Class D Amplifier Tutorial

Harmonic Balance Analysis of Nonlinear RF Circuits

Harmonic Balance Simulation in Advanced Design System - Part a

Harmonic Balance Simulation in Advanced Design System - Part b

Constant Power - Delivered Load Pull Simulation in ADS - Part 1


Constant Power - Delivered Load Pull Simulation in ADS - Part 2


How to Setup and Run Load Pull Simulations: The Basics

Setting up and Running a Simple Load Pull Simulation in ADS



Advances in Load Pull Simulation




Smith Chart - Single Stub Matching 

How to Design RF and Microwave Impedance Matching Networks

ADS Smith Chart Utility


Using Measured Load Pull Data to Design Matching Networks with ADS

Simultaneously Optimizing a Power Amplifier's Source and Load Impedance in ADS

How to Optimize the Performance of Your RF Layout

How to Use Envelope Tracking to Improve Power Amplifier Efficiency

X-Parameter Measurements in ADS Using Maury Microwave's Load Pull System




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