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Technical Education Webinar

Matching mmWave Radar Software Models to PCB Antenna Measurements

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.

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Technical Education Webinar

Understanding What Can Affect PCB Dk Variation and Phase Consistency

Presented by: John Coonrod, Technical Marketing Manager

Abstract:
This webinar will give an overview of how circuit materials and circuit fabrication can impact the phase consistency and the circuit-perceived dielectric constant (Dk). Many of the newer millimeter-wave applications are much more sensitive to phase variation than some microwave applications. The circuit-perceived Dk is what Rogers Corporation designates as Design Dk. The Design Dk is basically a Dk value of the material, which is generated by an extraction process based on RF circuit performance.

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