Start / Circuit Break – A MacroFab Podcast / Ep114 chasing oscillations

EP#114: Chasing Oscillations

46 min • 4 april 2018

Stephen
- Nasty Analog Oscillations
  - Opamps are drama queens of electronics
  - Solved the oscillation with a small capacitor in the feedback loop to lower the frequency of the feedback
Parker
- Waiting on circuit boards to be built for the DAC Article
- Reworking the Knowledge Base here at the FAB
  - Suggestions for topics are welcome!
RFO
- Voyager 1 Fires Up Thrusters After 37 Years
  - Trajectory Correction Maneuver or TCM thrusters
  - TCM's where only used for continuous firing mode and not used to angle the craft which requires controlled burst firing
  - Engineers used decades-old data and examined the software that was coded in an outdated assembler language to figure out how to test the TCMs
  - Electric propulsion coaxial
- 0306 Capacitor Size
  - Odd capacitor size
  - Same dimensions as a 0603 but hamburger style
  - For reducing the parasitic inductance by shortening the current loops in circuits
  - AVX product brief on low inductance chip capacitors
- A Concise Guide to Ceramic Capacitor Types
  - Covers the different classes of capacitors
  - “why does Y5V even exist?”
- Four Levels of project transcendence
  - 5th level is starting a lifetime of projects every month but only abandon them after ordering all the parts and supplies for said projects
Announcements
- Twitter Chat INFO
  - April 6th Friday at 1PM CST
- Meetup Info
  - Parker Key Parts of an Arduino
  - Trey German will talk about taking off-shelf enclosures and customizing them. Shout out to @yertnamreg
  - https://twitter.com/yertnamreg?lang=en
- Houston Hardware Happy Hour
  - First Thursday of each month
  - May 3rd at Slowpokes
  - Bring hacks and hang out

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