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Explore our database of industry knowledge that fuels innovation, learning, and professional growth. Knowledge Hub is a collection of conference technical papers, webinars, presentations, on-demand video and more. You can search by author, title, keyword and type of content. You can also search for keywords and topics in the Tag field. Access to Knowledge Hub is reserved for members.

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Round Robin of High Frequency Test Methods by IPC-D24C Task Group

Currently there is no industry standard test method for measuring dielectric properties of circuit board materials at frequencies greater than about 10 GHz. Various materials vendors and test l .. read more

Improving Density in Microwave Multilayer Printed Circuit Boards for Space Applications

The need in complexity for microwave space products such as active BFNs (Beam Forming Networks) is increasing,with a significantly growing number of amplitude / phase control points (number of .. read more

iNEMI HFR-Free Signal Integrity Project: An Investigation to Identify Degradation of Electrical Signals in HFR-Free PCB Materials

Recent environmental concerns over the safety of the halogenated flame retardants (HFR) used in commonplace FR4 printed circuit boards (PCB) have prompted market demand for HFR-free computer sy .. read more

Polyphenylene Ether Macromonomers. XI. Use in Non-Epoxy Printed Wiring Boards

The continuous progression toward portable,high frequency microelectronic systems has placed high demands on material performance,notably low dielectric constants (Dk),low loss tangent (Df),low .. read more

Next Generation Test Methodologies and Analysis for Physical Layer Structures

Printed circuit board (PCB) material properties and surface roughness directly influence attenuation and NEXT/FEXT crosstalk signal integrity of high speed digital interconnect design. Balancin .. read more

Improvements in Microwave Laminates for Power Amplifier Reliability and Efficiency

Demands for higher data rates and capacity have continued to drive RF and Microwave electronics continue toward higher frequency and higher power requirements. These power and frequency demands .. read more

Effects of Moisture Content on Permittivity and Loss Tangent of Printed Circuit Board Materials

Printed circuit board laminate datasheets provide permittivity (dielectric constant,Dk) and loss tangent (dissipation factor,Df) values that are used for specification and board design. But pas .. read more

Effect of Conductor Surface Roughness upon Measured Loss and Extracted Values of PCB Laminate Material Dissipation Factor

Prediction of accurate values for insertion loss (S21) on printed circuit boards has become ever more critical to SI modeling as signal speeds required for next-generation networking equipment .. read more

Humidity-Dependent Loss in PCB Substrates

Increasing operating frequency of IO busses for computing has highlighted the importance of transmission line loss. For FR4 PCB mother boards computing at speeds above 1 GHz this is dominated b .. read more

Loss Tangent and Dielectric Constant of Solder Mask Measured with Split-Post Dielectric Resonators

As PCB computing bus frequencies climb above 1GHz,measurement of the high-frequency properties of PCB materials becomes critical for design modeling. Understanding these properties and their de .. read more

Signal Integrity Analysis Techniques used to Characterize PCB Substrates

The electrical properties of PCB substrates are one of the primary factors used in designing high-frequency printed circuit boards. The loss tangent is the electrical property used by material .. read more

Characterization of Environment-Friendly Halogen-Free Materials for radio Frequency Electronics Use

Increasing global interest in environmental protection is leading to a higher demand for halogen-free materials that can be used as the base materials for the printed wiring boards (PWBs) in el .. read more

Round Robin of High Frequency Test Methods by IPC-D24C Task Group

Currently there is no industry standard test method for measuring dielectric properties of circuit board materials at frequencies greater than about 10 GHz. Various materials vendors and test l .. read more

Improving Density in Microwave Multilayer Printed Circuit Boards for Space Applications

The need in complexity for microwave space products such as active BFNs (Beam Forming Networks) is increasing,with a significantly growing number of amplitude / phase control points (number of .. read more

iNEMI HFR-Free Signal Integrity Project: An Investigation to Identify Degradation of Electrical Signals in HFR-Free PCB Materials

Recent environmental concerns over the safety of the halogenated flame retardants (HFR) used in commonplace FR4 printed circuit boards (PCB) have prompted market demand for HFR-free computer sy .. read more

Polyphenylene Ether Macromonomers. XI. Use in Non-Epoxy Printed Wiring Boards

The continuous progression toward portable,high frequency microelectronic systems has placed high demands on material performance,notably low dielectric constants (Dk),low loss tangent (Df),low .. read more

Next Generation Test Methodologies and Analysis for Physical Layer Structures

Printed circuit board (PCB) material properties and surface roughness directly influence attenuation and NEXT/FEXT crosstalk signal integrity of high speed digital interconnect design. Balancin .. read more

Improvements in Microwave Laminates for Power Amplifier Reliability and Efficiency

Demands for higher data rates and capacity have continued to drive RF and Microwave electronics continue toward higher frequency and higher power requirements. These power and frequency demands .. read more

Effects of Moisture Content on Permittivity and Loss Tangent of Printed Circuit Board Materials

Printed circuit board laminate datasheets provide permittivity (dielectric constant,Dk) and loss tangent (dissipation factor,Df) values that are used for specification and board design. But pas .. read more

Effect of Conductor Surface Roughness upon Measured Loss and Extracted Values of PCB Laminate Material Dissipation Factor

Prediction of accurate values for insertion loss (S21) on printed circuit boards has become ever more critical to SI modeling as signal speeds required for next-generation networking equipment .. read more

Humidity-Dependent Loss in PCB Substrates

Increasing operating frequency of IO busses for computing has highlighted the importance of transmission line loss. For FR4 PCB mother boards computing at speeds above 1 GHz this is dominated b .. read more

Loss Tangent and Dielectric Constant of Solder Mask Measured with Split-Post Dielectric Resonators

As PCB computing bus frequencies climb above 1GHz,measurement of the high-frequency properties of PCB materials becomes critical for design modeling. Understanding these properties and their de .. read more

Signal Integrity Analysis Techniques used to Characterize PCB Substrates

The electrical properties of PCB substrates are one of the primary factors used in designing high-frequency printed circuit boards. The loss tangent is the electrical property used by material .. read more

Characterization of Environment-Friendly Halogen-Free Materials for radio Frequency Electronics Use

Increasing global interest in environmental protection is leading to a higher demand for halogen-free materials that can be used as the base materials for the printed wiring boards (PWBs) in el .. read more