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Current IssueMechatronics
Our expert contributors discuss the advent of mechatronics in PCB design, the challenges and opportunities this creates for circuit board designers, and the benefits—to the employee and the company—of becoming a mechatronics engineer.
Creating a Culture of Collaboration
PCB designers could learn quite a bit from NASA and the private companies that develop spacecraft: Every one of these vehicles is a testament to the value of collaboration among disparate stakeholders. Without a collaborative culture, the rocket might never get off the ground.
Breaking High-speed Material Constraints
Do you need specialty materials for your high-speed designs? Maybe not. Improvements in resins mean designers of high-speed boards can sometimes use traditional laminate systems. Learn more in this issue.
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Mentor Graphics Video: Automatically Unravel Complex FPGA Signals
December 2, 2015 | Mentor GraphicsEstimated reading time: Less than a minute
Optimizing large pin-count FPGAs is challenging. Manual optimization can take days and result in reduced quality.
This new video from Mentor Graphics shows how signal pin assignments can be automatically optimized between multiple FPGAs on the PCB while respecting pin-specific rules and constraints. Reduce the number of routing layers, minimize crossovers and overall trace lengths on the PCB, and reduce signal integrity issues for higher completion rates and shorter FPGA route times.
To watch this video, click here.
Suggested Items
Trouble in Your Tank: Materials for PWB Fabrication—Drillability and Metallization
07/16/2024 | Michael Carano -- Column: Trouble in Your TankLaminate materials are the building blocks on which printed circuit boards are manufactured. Circuit board designers rely on the critical electrical properties of the materials to design the interconnects, and with the drive toward IoT (internet of things), autonomous driving, and virtual and augmented reality, material properties take on a very high level of importance.
UHDI Fundamentals: UHDI for RF Microwave Applications
07/16/2024 | Anaya Vardya, American Standard CircuitsUltra high-density interconnect (UHDI) technology has significant potential for RF (radio frequency) microwave applications. Its advantages lie in its ability to provide high-density routing and integration, which are crucial for complex RF circuits. Here are three key UHDI benefits in RF microwave applications:
Wild River Technology's ISI-USB4 Now Supports USB 4.0 Version 2 and DisplayPort 2.1
06/27/2024 | Wild River TechnologyWild River Technology (WRT), the leading supplier of signal integrity measurement and optimization test fixtures for high-speed channels at data rates of up to 25G announced today the availability of a new inter-symbol interference (ISI) loss modeling capability. The ISI-USB4 Advanced Loss Modeling Platform Test Card Set delivers comprehensive support for demanding 25G PAM4 designs.
Beyond Design: Termination Planning
06/24/2024 | Barry Olney -- Column: Beyond DesignThe characteristic impedance of a transmission refers to the impedance seen by a driver looking down an infinitely long trace. Interestingly, the characteristic impedance is independent of trace length. It’s a measure of the ratio of inductance to capacitance at any point along the trace. Therefore, while trace length matters for signal propagation delay, it doesn’t directly impact characteristic impedance. When a transmission line is perfectly matched to the driver and load, the signals propagating electromagnetic (EM) energy are totally absorbed by the load. This is the perfect scenario that all electronics designers strive for. However, this is rarely the case, and reflections do occur whenever the impedance of the transmission line changes along its length.
Overconstrain? Underconstrain? Selecting Materials for High-speed Designs
06/06/2024 | Andy Shaughnessy, Design007 MagazineWhen selecting materials for a high-speed design, you need to be very familiar with the materials’ electrical characteristics, as well as the requirements of the PCB you’re designing. There are myriad details that need to be considered during the material selection process, and missing one iota can lead to your job being put on hold. We asked Stephen Chavez, principal technical product marketing manager at Siemens, to share his thoughts on material selection for high-speed designs. Steph discusses material constraints, stackups, and the cut-off point when a “traditional” laminate will (and won’t) work for a high-speed board.