Technical Education Webinar Series

Title: Matching mmWave Radar Software Models to PCB Antenna Measurements

Date: September 20, 2022

Time: 8am PT /11am ET

Sponsored by: Rogers Corporation

Presented by: John Coonrod, Technical Marketing Manager, and Joey Kellner, Senior Market Segment Manager, Rogers Corporation

Abstract:

As operating frequency increases into the millimeter-wave (mmWave) range, it is more difficult to obtain accurate data between models and measured results. Performing RF modeling at millimeter-wave frequencies can have many more variables to consider, than at lower frequencies. Higher frequency circuitry has smaller wavelengths, and the wave properties are more sensitive to variation. Additionally, there are normal differences in circuit fabrication that can influence RF performance of a circuit and some of these are more significant at mmWave frequencies. There are also normal circuit material differences which should be considered as well, when designing at mmWave frequencies.

This presentation will give an overview of many different properties that a designer should consider when designing for mmWave design and modeling for patch antenna applications. Following is the agenda:

• Overview of 60-80 GHz mmWave radar applications and RF material recommendations
• Overview of insertion loss, copper roughness and Design Dk with different test vehicles
• Basic concepts of radiating patch designs used at mmWave frequencies
• PCB fabrication influences on mmWave antenna designs
• Circuit material influences on mmWave designs
• Supporting data with mmWave antenna performance of S11 and anechoic chamber

Presenter Bios:

John Coonrod is the Technical Marketing Manager for Rogers Corporation’s, Advanced Electronics Solutions. John has 34 years of experience in the Printed Circuit Board industry. About half of this time was spent in the Flexible Printed Circuit Board industry regarding circuit design, applications, processing, and materials engineering. The past twenty years have been spent supporting High Frequency Circuit materials involving circuit fabrication, providing application support, and conducting electrical characterization studies. John is the Chair for the IPC D24C High Frequency Test Methods Task Group and holds a Bachelor of Science, Electrical Engineering degree from Arizona State University.

Joey Kellner is a Senior Market Segment Manager for Rogers Corporation. Joey has over 20 years of industry experience, with the last 15 spent in engineering, product management and marketing roles at Rogers Corporation. In her current role, Joey works closely with automotive customers to understand and meet their RF material and commercial supply requirements. Joey holds a Bachelor of Science, Chemical Engineering degree from North Carolina State University, and a Master of Business Administration, specializing in Technology, Science and Engineering from Arizona State University.

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