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January 27, 2021, Episode #261
Parker
- What can you do to help alleviate component shortages and lead times in your design
- Last week we talked about automotive component shortages
- Passive components
- Most passives it is easy to find substitutes
- Check your specifications
- Components that have extraordinary specs for there package size
- Active components
- Diversify what you can
- Discretes
- Diodes
- Mosfets
- Integrated Components
- Different packages or packaging
- Diversify what you can
- Connectors
- Different plating options possible?
- Other manufactures making similar or compatible parts
Stephen
- Searching for components kind of sucks sometimes. Another Quick idea for making this easier
- Anything that is a complement
- Connectors
- Transistors
- Guessed BCP54 – BCP52
- Anything that is a complement
- PCB Crosstalk
- Video by Robert Feranec with Eric Bogatin
- What causes PCB crosstalk?
- Capacitive coupling
- Inductive coupling
- Effects of pcb crosstalk
- How do we mitigate pcb crosstalk?
- One other form of “crosstalk” that really isn’t crosstalk
- Poor filtering and PSRR
- “Feedforward” current
- Not really something that shows up often…
About the Hosts
Parker Dillmann
Parker is an Electrical Engineer with backgrounds in Embedded System Design and Digital Signal Processing. He got his start in 2005 by hacking Nintendo consoles into portable gaming units. The following year he designed and produced an Atari 2600 video mod to allow the Atari to display a crisp, RF fuzz free picture on newer TVs. Over a thousand Atari video mods where produced by Parker from 2006 to 2011 and the mod is still made by other enthusiasts in the Atari community.
In 2006, Parker enrolled at The University of Texas at Austin as a Petroleum Engineer. After realizing electronics was his passion he switched majors in 2007 to Electrical and Computer Engineering. Following his previous background in making the Atari 2600 video mod, Parker decided to take more board layout classes and circuit design classes. Other areas of study include robotics, microcontroller theory and design, FPGA development with VHDL and Verilog, and image and signal processing with DSPs. In 2010, Parker won a Ti sponsored Launchpad programming and design contest that was held by the IEEE CS chapter at the University. Parker graduated with a BS in Electrical and Computer Engineering in the Spring of 2012.
In the Summer of 2012, Parker was hired on as an Electrical Engineer at Dynamic Perception to design and prototype new electronic products. Here, Parker learned about full product development cycles and honed his board layout skills. Seeing the difficulties in managing operations and FCC/CE compliance testing, Parker thought there had to be a better way for small electronic companies to get their product out in customer's hands.
Parker also runs the blog, longhornengineer.com, where he posts his personal projects, technical guides, and appnotes about board layout design and components.
Stephen Kraig
Stephen Kraig is a component engineer working in the aerospace industry. He has applied his electrical engineering knowledge in a variety of contexts previously, including oil and gas, contract manufacturing, audio electronic repair, and synthesizer design. A graduate of Texas A&M, Stephen has lived his adult life in the Houston, TX, and Denver, CO, areas.
Stephen has never said no to a project. From building guitar amps (starting when he was 17) to designing and building his own CNC table to fine-tuning the mineral composition of the water he uses to brew beer, he thrives on testing, experimentation, and problem-solving. Tune into the podcast to learn more about the wacky stuff Stephen gets up to.
Special thanks to whixr over at Tymkrs for the intro and outro!
Related Podcasts
Your Toaster is Toast
Part shortages and obsolescence got you down? Parker and Stephen have some tips and tricks to help your design stay ahead of the End Of Life game!
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MacroFab's Misha Govshteyn and Chris Church check in with Parker and Stephen to give his take on supply chains, nearshoring and reshoring.
Entropy Rules Everything
Circuit Break welcomes back James! His expert insights on component aging - 5 years? 20 years? Calculations?! - sparked a convo we couldn't miss. Tune in!
Countdown to Hype
Consider your product in an environment that will actively destroy the semiconductors. We'll dip our toes into Radiation exposure for electronics!
Double as Good!
Nichicon is obsoleting entire electrolytic capacitor lines. Is this a sign of how electronic component manufacturers will handle supply crunches?
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