Dielectric loss tangent extraction using modal measurements and 2-D cross-sectional analysis for multilayer PCBs

S Yong, V Khilkevich, Y Liu, H Gao… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Frequency-dependent electrical properties of dielectric materials are one of the most
important factors for high-speed signal integrity design. To accurately characterize material's …

[HTML][HTML] Ultra-Wideband Differential Line-to-Balanced Line Transitions for Super-High-Speed Digital Transmission

BC Min, GH Lee, JS Lee, SH Nashuha, HC Choi… - Sensors, 2022 - mdpi.com
A conventional differential line (DL), commonly used on typical digital circuit boards for
transmitting high-speed digital data, has fundamental limitations on the maximum signal …

Using a 2x‐thru standard to achieve accurate de‐embedding of measurements

J Ellison, SB Smith, S Agili - Microwave and Optical …, 2020 - Wiley Online Library
The broadband measurement of interconnects and on‐board devices requires the usage of
test fixtures in order to connect to the measurement instrumentation. Proper assessment of …

A hybrid de-embedding method for low loss and reciprocal PCB fixtures

BW Liu, XC Wei, CX Xv - IEEE Transactions on Instrumentation …, 2022 - ieeexplore.ieee.org
This article presents a hybrid de-embedding method by combining the unitary condition of
lossless networks and the impulse response curve truncation. A magnitude-symmetry …

Extraction of stripline surface roughness using cross-section information and S-parameter measurements

Z Sun, J Liu, X Xiong, V Khilkevich… - … & Signal/Power …, 2022 - ieeexplore.ieee.org
To characterize additional conductor loss introduced by conductor surface roughness,
various models have been proposed to describe the relationship between foil roughness …

A cross-sectional profile based model for stripline conductor surface roughness

S Yong, V Khilkevich, Y Liu, R He, Y Guo… - … & Signal/Power …, 2020 - ieeexplore.ieee.org
As the data rate of high-speed digital systems is getting higher, the conductor loss can no
more be modeled assuming perfectly smooth conductor surfaces for even the smoothest …

The simulated TDR impedance in PCB material characterization

Y Guo, DH Kim, J He, S Yong, Y Liu… - … Joint EMC/SI/PI and …, 2021 - ieeexplore.ieee.org
High-speed PCB design for signal integrity (SI) is about feasible material selection, trace
geometry determination and optimization of discontinuities, where the accurate PCB …

Prepreg and Core Dielectric Permittivity (ϵr) Extraction for Fabricated Striplines' Far-End Crosstalk Modeling

S Yong, S Penugonda, DH Kim… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
As the data rate and density of digital high-speed systems are getting higher, far-end
crosstalk (FEXT) noise becomes one of the major issues that limit signal integrity …

Far-end crosstalk control strategy for high-volume high-speed PCB manufacturing: The concept of critical resin content percent

Y Guo, S Yong, Y Liu, J He, B Pu, X Ye… - … Joint EMC/SI/PI and …, 2021 - ieeexplore.ieee.org
Far-end crosstalk (FEXT) can reduce the eye opening and eventually decrease the
maximum data rate that can be transmitted through the high-speed interconnections …

[HTML][HTML] Filter-Hilbert method for automatic correction of non-anechoic antenna measurements with embedded self-calibration mechanism

A Bekasiewicz, V Waladi - Measurement, 2023 - Elsevier
One of the most important steps in the process of antenna development involves
measurements of its prototype. Far-field performance of radiators is normally characterized …