Partnership Creates PCB Power Integrity Tool

Altium and Nimbic are working together to introduce Nimbic’s power integrity tool into its printed-circuit board (PCB) design tool, Altium Designer, to create a new power integrity solution, Altium PI-DC. Altium PI-DC can validate dc voltage and current performance before prototype and production. Power delivery issues can be avoided and potential failure points can be easily identified. This includes high via currents that could cause fusing, or high-resistance neck-down regions resulting in e...

printed-circuit board (PCB) PCB DESIGN

Passive Components Aren’t Really So Passive (Part 3): PCBs

PCB flaws and errors that are usually hidden, or at least disguised, can introduce passive errors into IC performance. To understand how these errors occur, though, we must first examine the composition of a typical board. Sometimes the best way to hide something is in plain view. Magicians use this technique along with some distraction to amaze an audience. Our experience leads us to expect certain norms and see what we expect. Thus, boxes are square, not squished parallelograms. Spheres are ...

printed-circuit board (PCB) PCB board

Passive Components Aren’t Really So Passive (Part 2): Resistors

Resistors are called passive because they don’t have gain or control power like semiconductors or other active devices. But they can, and do, change the signal in unexpected ways because they have parasitic portions. Capacitors, resistors, inductors, connectors, and even the printed-circuit board (PCB) are called passive because they don’t have gain or control power like semiconductors or other active devices (see “Passive Components Aren’t Really So Passive (Part 1): Capacitors”). But these ap...

printed-circuit board (PCB) pcb board

Passive Components Aren’t Really So Passive (Part 1): Capacitors

Capacitors, resistors, inductors, connectors, and even the PCB are called passive because they don’t seem to consume power. But these apparently passive components can, and do, change the signal in unexpected ways because they all contain parasitic portions. Transistors and ICs are considered active components because they change signals using energy from the power supply. Capacitors, resistors, inductors, connectors, and even the printed-circuit board (PCB) are called passive because they don...

printed-circuit board (PCB) pcb board

Plan Ahead For A Successful SoC-Based PCB Design

Addressing the key factors that can affect the ability to manufacture SoC-based PCBs efficiently early in the design process will ensure that fabrication, assembly, and testing will proceed with few problems and high yield. In the development of SoC-based (system-on-chip) circuit boards, the SoC’s additional capabilities will provide abundant functional benefits. But at the same time, these capabilities can introduce additional challenges to the circuit board manufacturing process. Therefore, d...

printed-circuit board (PCB) PCB Design

Today’s PCB Design Tools Improve

Anyone who has worked on a system design lately knows that creating a printed-circuit board (PCB) is no longer simple. Differential signals and multiple layers are the norm. RF is needed for Bluetooth, Wi-Fi, Zigbee, Z-Wave, and more. Signal integrity is as important as making sure the right pins are connected together. Likewise, boards are more complicated. More layers are often needed to address the density of systems-on-chip (SoCs) that have hundreds of balls packed into an ever-tighter spac...

PCB Design Tool printed-circuit board (PCB)

Use Embedded Components To Improve PCB Performance And Reduce Size

Embedding discrete components within a PCB substrate is still considered cutting-edge, but advances in fabrication and EDA software have this technology on the rise. The complexity and density of electronics design has increased, partly due to the rise of the mobile industry, introducing new challenges for printed-circuit board (PCB) designers. Embedding components within the board substrate offers a practical solution to several issues, and it’s quickly becoming a feasible production step for ...

PCB substrate printed-circuit board (PCB)

Use Advanced PCB Technology To Produce 50% Smaller Product Designs

High-density interconnect (HDI) technology allows printed-circuit board (PCB) designers to increase routing density, reduce layer count, and improve the thermal and electrical characteristics of their board designs. This approach uses advanced via technology to combine two conventional eight-layer cards into a single 18-layer HDI card. The cards can use their own power supplies or share a redesigned one, creating a product that is 50% smaller. PCB vias come in different configurations (Fig. 1)....

PCB Technology printed-circuit board (PCB)

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