Kella Knack

Kella Knack is Vice President of Marketing for Speeding Edge, a company engaged in training, consulting and publishing on high speed design topics such as signal integrity analysis, PCB Design ad EMI control. Previously, she served as a marketing consultant for a broad spectrum of high-tech companies ranging from start-ups to multibillion dollar corporations. She also served as editor for various electronic trade publications covering the PCB, networking and EDA market sectors.

  • Reflecting on Your Design, Part 2, What Do Reflections Do to a Signal?

    Reflecting on Your Design, Part 2, What Do Reflections Do to a Signal?

    Avoid the occurrence of reflections by carefully calculating transmission line design.

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  • Lies Your Fabricator May Have Told You

    Lies Your Fabricator May Have Told You

    Sometimes your board design will incur errors during fabrication. Here's what to expect.

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  • Methods For Calculating And Measuring Impedance, Part 2

    Methods For Calculating And Measuring Impedance, Part 2

    Let's address which aspect of design influences impedance.

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  • Methods For Calculating And Measuring Impedance, Part 1

    Methods For Calculating And Measuring Impedance, Part 1

    Let's review the four basic types of PCB transmission lines and examine methods for calculating impedance, and detail various 2D field solvers.

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  • Transmission Line Properties That Affect Impedance—Hidden Features

    Transmission Line Properties That Affect Impedance—Hidden Features

    Kella Knack provides a heavily detailed treatment of aspects of transmission line impedance previously addressed only in passing.

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  • The Right Termination, Of The Right Size, At The Right Place

    The Right Termination, Of The Right Size, At The Right Place

    Determining the terminator location and size helps prevent transmission line reflections.

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  • Reflecting on Your Design— What are Reflections and What Do They Do to a Signal? Part One

    Reflecting on Your Design— What are Reflections and What Do They Do to a Signal? Part One

    Relative to discussions of electromagnetic fields and waves traveling down transmission lines, what are reflections, and what causes them?

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  • Stubs On Transmission Lines—What Do They Do And How Do You Keep Them From Happening?

    Stubs On Transmission Lines—What Do They Do And How Do You Keep Them From Happening?

    Here we’ll explore how stubs behave electrically, their impact on transmission line performance, and the specifics of how and when vias can act as stubs.

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  • The Evolution Of Automotive Electronics

    The Evolution Of Automotive Electronics

    Automotive electronics has become increasingly complex, and Tesla is on the cutting edge. We explore a few of Tesla’s challenges, its design environment, and how it incorporates new technology into it

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  • Splitting Planes—The Good, The Bad And The Ugly

    Splitting Planes—The Good, The Bad And The Ugly

    Kella Knack debunks the myths of plane splitting.

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  • Non-functional pads—what are they and what problems can they create?

    Non-functional pads—what are they and what problems can they create?

    Non-functional pads should be removed from PCB artwork before it is sent to the fabricator, here's why...

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  • Pad Stack Design And Fine Pitch Components, Part 2

    Pad Stack Design And Fine Pitch Components, Part 2

    A detailed analysis of what you can expect if your high layer count design calls for a 0.8 mm pitch BGA.

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  • Building A Faraday Cage To Contain EMI, Part 2

    Building A Faraday Cage To Contain EMI, Part 2

    In Part 2 of series on EMI and Faraday cages, learn how to get power to your product without letting EMI out, and more.

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  • Building a Faraday Cage To Contain EMI, Part 1

    Building a Faraday Cage To Contain EMI, Part 1

    See how to get heat out of a Faraday cage while keeping EMI in.

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  • Blind And Buried Vias—what Are They And How Are They Used?

    Blind And Buried Vias—what Are They And How Are They Used?

    Understanding the different types of vias and the roles they play to a successful PCB design.

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  • PCB Design For Test Structures And Tests Performed, Part 2

    PCB Design For Test Structures And Tests Performed, Part 2

    Industry expert Kella Knack shows you how to ensure your test results are consistent with actual PCB operation.

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  • PCB Design For Test—Test Structures And Types Of Tests, Part 1

    PCB Design For Test—Test Structures And Types Of Tests, Part 1

    Expert Kella Knack addresses the two important aspects of the design for test process.

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  • Pad Stack Design And Fine Pitch Components, Part 1

    Pad Stack Design And Fine Pitch Components, Part 1

    Kella Knack explores the various aspects of unplated holes in pad stacks in the first of a two-part series detailing how to prepare for mounting 1mm and smaller pitch components on thick PCBs.

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  • Pad Stack Design And Fabrication—Part 2, Thermal Ties

    Pad Stack Design And Fabrication—Part 2, Thermal Ties

    Kella Knack continues her series on pad stack design and fabrication, this time examining thermal ties: when to use them, how to implement them, and how to do it correctly the first time. Read now.

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  • Pad Stack Design And The Fabrication Process—part 1

    Pad Stack Design And The Fabrication Process—part 1

    Kella Knack reviews the history of the PCB fabrication industry with respect to the manufacturability and reliability of “pad stacks”.

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