Ultra low loss with high density, ultra smooth coating on walls. Pc board and circuit development with emphasis on control of noise, in digital, analog. Teaching by example, the authors cover ringing, crosstalk, and radiated noise problems which commonly beset highspeed digital machines. Each chapter in this book treats a specialized topic having to do with highspeed digital design. Highspeed ddr4 memory designs and power integrity analysis cuong nguyen field application engineer.
Some basic understanding is desirable to effectively use the pcb design rules given in. High speed is generally interpreted to mean circuits where the length of the signals rising or falling edge is greater than about onesixth of the transmission line length. This course is designed for digital board design engineers, digital board layout designers, digital board test engineers and technicians, analog board designers, and power supply designers who use some digital components. Current highspeed designs demand a board designers extensive knowledge of these issues. The topics covered include pcb design considerations regarding the routing of high speed signals, selecting stackup of the pcb. Pcb layout and high speed routing are no match for your skills, and a little realtime electronic design feedback from the tool. Board layer stackup considerations for high speed board. To create a successful highspeed printed circuit board pcb, you must. We shall discuss in this chapter the partitioning of the circuitry, the problem of interconnecting traces, parasitic components, grounding schemes, and decoupling.
Trends in high speed digital design higher and higher bandwidth requirements 2832gbps serdes. High speed pcb design rules lesson 4 of advanced pcb layout. Considered the original bible of high speed design issues, high speed digital design focuses on a combination of digital and analog circuit theory. Technical brief highspeed board design advisor highspeed channel design and layout november 2007, ver. I have recieved my plans today and the boat choise is a hal kelly design called the ben hur. The allegro engine powers orcad and your productivity.
Design consideration high speed layout design guidelines application note, rev. Top 5 pcb design guidelines every pcb designer needs to know. Pcb material selection for highspeed digital designs. Technical brief high speed board design advisor high speed channel design and layout november 2007, ver. Export development board and other related industries are in a process of development of industry related yachting, pleasure. Misunderstandings and strategies on highspeed pcb design as far as highspeed electronic systems are concerned, the success of printed circuit board design directly leads to the high problem solving in electro magnetic compatibility emc system in both theory and practice. Not all jumpover cable assemblies need to carry signals at datarates from 28 gbitss and higher. Feb 18, 20 high speed pcb board design andanalysis slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Highspeed board layout guidelines figure 1 shows a microstrip layout, which refers to a trace routed as the top or bottom layer of. Transmission line is a trace, and has a distributed mixture of resistance r, inductance l, and capacitance c. The topics covered include pcb design considerations regarding the routing of. The design of the printed circuit board can be as important as the circuit design to the overall performance of the final system. Pdf design and construction of high speed, hard chine.
Would you like to find out more about how altium assists its users in the configuration of the board layer stackup for a high speed design. The single net connection between n cards, in a multipoint backplane, must be replaced with nn1. Pdf the design of high speed wireless video monitoring. High speed pcb design, circuit board design, pcb layout software. This document is a guideline for designing a carrier board with high speed signals that is used with toradex computer modules. Constraint manager for design constraint management. Our weekly design enewsletter focuses on pcb design topics, including special columns and other unique editorial. Apr 15, 2019 with smart high speed layout, you wont run into trouble in your board design. Gnd of bypass caps are too far away from amplifier output. Terminator type, terminator placement and net sequencing chapter 22. Altera devices have fast io pins with fall times as low as 1 ns to 3 ns. A practical guide to highspeed printedcircuitboard layout.
Highspeedboard design techniques application note advanced micro devices introduction the most important factor in the design of many systems today is speed. In this configuration, cable wires connect directly into an io module. A practical guide to highspeed printedcircuitboard layout by john ardizzoni john. Teaching by example, the authors cover ringing, crosstalk, and radiated noise problems which commonly beset high speed digital machines. You hand the schematic to your layout person who puts all everything on a printed circuit board pcb. High speed board layout guidelines figure 1 shows a microstrip layout, which refers to a trace routed as the top or bottom layer of a pcb and has only one voltagereference plane. Highspeed ddr4 memory designs and power integrity analysis. I chose the cab over design since the last 24 of the boat will have the bike engine in it. Pcb and high speed serial interface hssi design guideline. Highspeed pcb design considerations lattice semiconductor.
The term high speed is often misinterpreted as if it relates to the frequency of a signal which indicates how often the signal repeats itself. Reduction of crosstalk and radiation of high speed printed circuit boards. Another factor to affect signal performance and noise separation is transmission line effect and modeling. New techniques to address layout challenges of high speed. Emc and systemesd design guidelines for board layout. The board connector attaches toa board by pressfit pins, which separates control and power from thehighspeed signals in the cables. The one where you spend most of your time selecting the right components, getting them all placed on your board layout, wiring everything up with traces, and sending your files off to your manufacturer. This weekly newsletter features content focused on the manufacture of flexible printed circuits. Despite its critical nature in highspeed circuitry, printedcircuitboard pcb layout is often one of the last steps in the design. Because a fast slew rate can contribute to noise generation, signal reflection, cross. Emiemc analysis for high speed digital designs heesoo lee 3d em technical lead jonathan chen. This comprehensive volume helps engineers who work with digital systems shorten their product development cycles and fix their latest high speed design problems. Emc and systemesd design guidelines for board layout about this document scope and purpose this document provides information for emc optimized pcb design and system esd design. Minimal onboard noise generation from the distributed power network minimal crosstalk between traces.
The designer also needs to be an expert concerning board material, signal and power stacking, connectors, cables, vias, and trace dimensions. Printed circuit board pcb dielectric construction material controls how much noise and crosstalk is contributed from the fast switching io signals. Of course surface mount devices smd are prefered, as smaller components and shorter wires means best rf performances. High speedpcbboarddesignandanalysis slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pcb material selection for highspeed digital designs add a subtitle. In fact, the rise and fall time of a signal is what distinguishes a high speed signal from a low speed signal. With orcad, you can produce a manufacturable board design faster. This is a guide for those involved in the procurement, design, or fabrication of highspeed impedance or insertion loss controlled pcbs. Alignment design standards california highspeed rail. His specialities include pc board and system signal and power integrity issues, mixed signal pc board and backplane design, and gbit highspeed serdes interconnection design. Misunderstandings and strategies on highspeed pcb design. In this paper, using arm9 as core with ethernet or gprs a remote video monitoring system is designed. He is the author of numerous technical papers and three books on digital design. For a certain trace length, the signal needs a certain time to pass it.
Place highspeed via transitions as one entityis a whole lot faster to add and manage in design reuse in same design or another database via structures stay together during placement and interactive editing so they can never be unintentionally altered to ensure the design intent always remains intact reuse multiple times. It wasnt that long ago when the word high speed didnt exist in the vocabulary of pcb designers. Highspeed board design techniques introduction the most important factor in the design of many systems today is speed. In 2016, he was appointed vice chairman of the european institute of printed circuits eipc. In very high power applications, uses solid dielectric to prevent voltage arcing. Top 5 pcb design guidelines every pcb designer needs. Overview pcb layypgpout is one of the last steps in the design process and often one of the most critical highspeed circuit performance is heavily dependant on layout a highperformance design can be rendered useless due to a poor or sloppy layout todaytodaysspresentationwillhelp. A lot of the trace routing that you will do in a high speed design will be the same as what youve always done. Highspeed boardtoboard connectors and systems samtec. Pcb and high speed serial interface hssi design guidelines. As modern bus interface frequencies scale higher, care must be taken in the printed circuit board pcb layout phase of a design to ensure a robust solution. In this presentation well go over high speed printed circuit board concerns in more detail.
Base materials for high speed, high frequency pc boards. Pcb layout and highspeed routing are no match for your skills, and a little realtime electronic design feedback from the tool. Proper board layer stackup in high speed board design requires the best pcb software, and altium designer is a good one to get started with. Lattice semiconductor highspeed pcb design considerations. Gaudion is a chartered company director and a fellow of the londonbased iod institute of directors. Mar 10, 2017 the board connector attaches toa board by pressfit pins, which separates control and power from thehigh speed signals in the cables. The design will allow me to use my weight to get it on plane as ill be further forward than a conventional hydro. Edn highspeed signals jump over pcb traces martin rowe. Placing the power and ground planes in parallel and separated by. High speed layout guidelines for pcb design cadence. Electromagnetic fields are continually present when energy flows from one place to another, causing the return current. Fields are a major interest in highspeed designs because they change very quickly, which. To filter highfrequency noise at the device, altera recommends placing decoupling capacitors as close as possible to each vcc and ground pair. Highspeed board designs introduction a successful highspeed printed circuit board pcb requires integration of the devices, pcbs, and other elements into the design.
Getek is another material that can be used in high speed boards. The pcb design starts with the schematic, and more exactly with the selection of the components. High speed layout design guidelines nxp semiconductors. White paper rf and high speed pcb routing best practises. Properties of transmission lines that affect impedance chapter 24. Mar 03, 2020 misunderstandings and strategies on high speed pcb design as far as high speed electronic systems are concerned, the success of printed circuit board design directly leads to the high problem solving in electro magnetic compatibility emc system in both theory and practice. High speed pcb design rules lesson 4 of advanced pcb. For a certain trace length, the signal needs a certain time to pass it, and this is called the propagation delay time. This application report addresses highspeed signals, such as clock signals and their. After the specification is finalized, actual system design begins with the selection of key components. Hf bypass caps are placed too far away from amplifier and gnd.
A practical guide to high speed printedcircuit board layout by john ardizzoni john. Pcb layypgpout is one of the last steps in the design process and often one of the most critical highspeed circuit performance is heavily dependant on layout a highperformance design can be rendered useless due to a poor or sloppy layout todaytodaysspresentationwillhelp. High speed pcb design, circuit board design, pcb layout. Design and construction of high speed, hard chine planing hull. Chapters introduce analog circuit terminology, the highspeed properties of logic gates, and standard highspeed measurement techniques, respectively. Current highspeed designs demand a board designers extensive knowl edge of these issues. Highspeed digital definitions in the 1990s digital signaling in electronics in 100 mhz range was high speed chips and computer performance have increased dramatically driving data rates to the gbps range today, data rates frequently exceed 10 gbps and 25 gbps signaling will be used to meet new demands. Renesas synergy platform s7g2 mcus highspeed usb 2. Controlling reflections by using terminations chapter 21. You hand the schematic to your layout person who puts all everything on. Todays board design is not as simple as it was in the past. If you continue browsing the site, you agree to the use of cookies on this website. Allegro system interconnect design platform, the tool set for an efficient high speed digital board design and verification process the boardlevel high speed digital design and verification process is introduced and used. California highspeed train project alignment standards for highspeed train operations, r0 1.
Qualitative technology choices for highspeed designs 3. A successful highspeed printed circuit board pcb requires integration of the devices, pcbs, and. It highlights and explains analog circuit principles relevant to high speed digital design. One possible difference is that of length requirements between traces. With an air dielectric, signals propagate at the speed of light. Pcb and high speed serial interface hssi design guidelines ap32174 high speed board design application note 7 v1. Filtering noise with a ferrite bead pcb elements add highfrequency noise to the power plane. Trends in high speed digital design higher and higher bandwidth requirements 2832gbps serdes 100gbit ethernet traditional design methodology starts to break down analyzing separately simulated pcb, vias, channel, and connectors as cascaded sparameter blocks becomes questionable for accuracy. Differential signal interconnection methods should be used for all critical, highspeed intercon nections. Works best at ultra high frequencies with millimeter wavelengths. High speed board design techniques application note advanced micro devices introduction the most important factor in the design of many systems today is speed. A practical guide to highspeed printed circuit board layout. It highlights and explains analog circuit principles relevant to highspeed digital design. First, usb camera video data are collected by the embedded linux system, processed.
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