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Poulomi Ghosh
Poulomi is a microwave engineer specializing in EMI, EMC, RF, and high-speed electronics. As a senior technical writer at Sierra Circuits, she creates advanced engineering articles and webinars for hardware engineers and PCB designers.
Imagine you’re designing PCB transmission lines for a high-speed application. You’ve routed critical interfaces like PCIe and USB 3.0; however, ... more »
Controlled Impedance
A signal’s deflection from its ideal rising and falling edges is called jitter in PCBs. Jitter in clock signals can ... more »
High Speed
With the rapid advancements in AI and IoT technologies, modern circuit designs demand careful attention to electrical, mechanical, and thermal ... more »
PCB Design
When building PCBs for frequencies over 5 GHz and currents above 2A, trace design becomes paramount. To ensure signal integrity ... more »
High Current
PCB trace termination is crucial for maintaining signal integrity in your designs. Unterminated traces can lead to issues like impedance ... more »
PCB Design
PCB layout design tools assist you with schematic creation, layout design, trace routing, BOM validation, and design file generation. The ... more »
PCB Design
Designing a board for operating frequencies higher than a few hundred MHz becomes challenging as it is difficult to measure ... more »
PCB Design
PCB ringing is an unwanted oscillation of voltage or current in a circuit board. During the signal transition from low ... more »
PCB Design
Signal integrity measurements have become a critical step in the process of developing digital systems. Signal integrity problems such as ... more »
High Speed
Here’s a PCB design for assembly checklist you can refer to before you proceed with the assembly process. This includes ... more »
PCB Assembly
Ensuring a smooth assembly process requires meticulous planning during the design phase. To achieve this, it is critical to know ... more »
PCB Assembly
A solder mask is an insulation layer that covers conductive areas such as traces and pads. Inappropriate solder layer application ... more »
PCB Design
When routing microcontrollers and BGAs, you need to consider the trace spacing requirements of your design and clearance between the ... more »
Case Studies
Sticking to DFA benchmarks ensures components are correctly assembled on a PCB without any discrepancies. DFA brings down unnecessary production ... more »
Case Studies
PCBs with high operating current and voltage should adhere to specific layout rules to avert overheating and arcing issues. While ... more »
Case Studies
When you’re designing aerospace and aviation PCBs, you need to consider structural strength, corrosion resistance, heat dissipation, and electrical capabilities. ... more »
Defense & Space
Just like trace impedance, via impedance is also important in maintaining the signal integrity of your PCB design. At high ... more »
Signal Integrity
Stacked vias are considered the most suitable solution for manufacturing HDI boards with advanced features. The configuration, with microvias positioned ... more »
Case Studies
Sequential lamination is a process of fabricating a circuit board using subsets composed of copper and dielectric layers. This process ... more »
HDI / Blind & Buried Vias
BGA technology makes it possible to achieve a smaller form factor in PCBs. With a higher pin count, excellent thermal ... more »
Case Studies
IPC-2221 is a generic standard for circuit board design. It lays down the requirements for PCB design and different forms ... more »
IPC
CAN bus establishes efficient communication links among microcontrollers through a twisted pair of cables without involving a host computer. The ... more »
Automotive
If you are planning to design a PCB, you should consider several technical specifications related to manufacturing like material selection ... more »
PCB Design
Testing and examining a PCB after manufacturing is a pivotal factor in procuring a flawless design. Design for testing (DFT) ... more »
PCB Assembly
PCB constraint settings are necessary for a successful board design. Modern applications demand high-speed, high-density, complex stack-up design. It is ... more »
PCB Design
An extensive PCB design checklist proves beneficial for reviewing the requirements of a circuit board. Depending on the board specifications, ... more »
PCB Design
A motor control PCB should be capable of protecting the motor circuit from overload (rise of current over a long ... more »
Case Studies
Staggered and stacked vias are well adapted nowadays. Their unique design enhances the density, as well as boosts the signal ... more »
PCB Design
A rigid-flex video processor board is a high-performance and viable solution for embedded video and image processing. The fabrication involves ... more »
Case Studies
High-speed PCB involves the transmission of signals with frequencies ranging from 50 MHz to as high as 3 GHz among ... more »
Case Studies
RF circuits work at high frequencies ranging from 500MHz to 2GHz. The design and fabrication of RF boards with sensors ... more »
Case Studies
We ran into Laurence Moroney of Google during DesignCon 2022 and chatted about artificial intelligence and machine learning. Watch the ... more »
Industry News
We were lucky enough to meet Heidi Barnes during DesignCon 2022. Keysight’s most famous Senior Applications Engineer discussed signal integrity ... more »
PCB Experts
The power integrity expert, Steve Sandler of Picotest, shared his perception about power integrity in PDN design, S-parameters, and Picotest ... more »
High Speed
Stephen Slater during DesignCon-2022 gave us a wonderful chance to talk about his views on next-gen memory and signal integrity ... more »
High Speed
We got an opportunity to talk to Mike Resso of Keysight during DesignCon 2022 . Watch the video to find ... more »
PCB Design
During DesignCon 2022, we interviewed Matthew Harms of EMA Design Automation to understand more about model extractions and simulations. Watch ... more »
PCB Design
We got an opportunity to pick Benjamin Dannan’s brain during DesignCon 2022. Watch the video to find out all about ... more »
PCB Design
The word ‘via’ is originally a Latin word that means road or way. In designing PCBs, vias play a crucial ... more »
PCB Design
Fabrication, Procurement, & Assembly. PCBs fully assembled in as fast as 5 days.
Fabrication. Procurement & Assembly optional. Flexible and transparent for advanced creators.
Complex technology, with a dedicated CAM Engineer. Stack-up assistance included.
