Related Topics
Are you ready to Tango?
Stephen looks to resurrect the ribbon microphone project and of course Parker scope creeps it.
Battlestar Gallactic Grounds
Parker tries out the new Eagle 9 and Stephen fixes Jerry's Amp and talks about PCB ground configurations.
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Circuit Break Podcast
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Tour MacroFab's ITAR-Compliant Facility
February 21, 2018, Episode #108
- Stephen
- Midi Woes
- At least the Teensy is fast
- Parker
- DAC testing update
- Interesting results looking at the spectrum analysis of the DACs
- Film caps suppress harmonics better but let more low end frequency through
- “Audio” grade parts have a higher response over the frequency band
- All the DAC load outs have a flat frequency response
- Blind testing resulted in listeners picking the cheaper passive load out for the DAC saying it sounded more “spacious”/”open”/”dynamic” compared to the film caps.
- DAC testing update
- Rapid Fire Opinion R.F.O.
- Discrete Pong Project Goes Big, Adds a Player
- Two-player color Pong game with audio completely from discrete components
- EEVBlog build thread
- Stealth Winners of the new iPhoneX
- PCB Sandwich
- mSAP
- modified semi-additive processes for PCB assembly
- Can get traces down to .6 to .4mils
- PDF with good diagrams on how mSAP works
- Is coding required for Electrical Engineering?
- Get on our Slack channel and join the conversation!
- Discrete Pong Project Goes Big, Adds a Player
Visit our Slack Channel and join the conversation in between episodes and please review us, wherever you listen (PodcastAddict, iTunes). It helps this show stay visible and helps new listeners find us.
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
Chasing Oscillations
Stephen hunts oscillations in the Serengeti while Parker watches out for danger noodles.
Dangling Transformers
Stephen shows off his ribbon microphone created from scratch and Parker reveals the future of the PinHeck REV8 Platform.
Put All Your Power On Blue
Stephen learns how to draw designs in Fusion 360 and Parker gets his PCM5122 DAC to talk to an Arduino.
Battlestar Gallactic Grounds
Parker tries out the new Eagle 9 and Stephen fixes Jerry's Amp and talks about PCB ground configurations.
Are you ready to Tango?
Stephen looks to resurrect the ribbon microphone project and of course Parker scope creeps it.
Orthogonal for Mutual Conductance
Stephen melts his brewery's SSR, Parker fixes his PCM5122 DAC, and Adventures in Autorouting.
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