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Complete RF-PA Characterization Workflow: From Power Measurement to IQ Signal Analysis with DPD


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3/16/21 11:00 am to 3/16/21 12:00 pm EST

Event Description

Technical Education Webinar Series

Title: Complete RF-PA Characterization Workflow: From Power Measurement to IQ Signal Analysis with DPD

Date: March 16, 2021

Time: 8am PT / 11am ET

Sponsored by: AMCAD Engineering

Presented by: Dr. Zacharia Ouardirhi, Business Development and Technical Sales Director, AMCAD Engineering

In this Webinar, a hands-on demonstration of a complete RF-PA characterization with the emphasis on reducing the measurement time and standardizing the workflow using AMCAD Engineering's IQSTAR software is presented.

IQSTAR is a Power amplifier characterization Software. It allows multiple bench configurations: scalar, vector, or a combination of both. To illustrate this software with its full capabilities, we will perform different measurements, from S-Parameters to power measurements and IQ signal analysis using DPD. We will highlight the DC bias circuit tuning impact on the RF PA's instantaneous bandwidth designed for 5G FR1 applications. The "Whiteboard", a dynamic data analysis tool, is introduced to present the device under test at the beginning of the Webinar.

The scalar setup performs different measurements, including input and output power, transmission efficiency, AM-AM measurements for 1-Tone signals, IMDs and OIPs for 2-Tone signals, ACPR, EVM, CCDF for modulated signals.

Vector measurements use direct receiver access of the vector network analyzer (VNA). The main advantages of this configuration are the high dynamic range of the receivers and the measurement speed. This setup supports S-parameters as well as AM-AM and AM-PM 1- and 2-Tone signal related measurements. IQ signal analysis module of IQSTAR enables evaluating the PA performances under DPD conditions.

Participants will leave this Webinar introduced to new methodologies that are directly applicable in streamlining their PA characterization workflow.

Presenter Bio:

Dr. Zacharia Ouardirhi is the Business Development Director and Technical sales expert at AMCAD Engineering. He is involved in different projects to develop Best-in-Class solutions. During his 16 years of experience in Device and Circuit Characterization, he worked for the leading companies in this industry.

He always worked closely with customers to understand the extent of their challenges with the different roles he played throughout his career in engineering, development, and management. He aims to develop tomorrow's solutions to support the industry. His field of expertise is in Load Pull, Noise measurements, Circuit Characterization and Modeling. He authored multiple papers and conferences. Zacharia received his B. E., M Sc. A., and Ph.D. from École Polytechnique of Montreal.

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