MEP EP#217: Frequency Stability Dependability

MEP EP#217: Frequency Stability Dependability

Parker

• Reverse Engineering Tools?
  
  
  
  • Calipers
  
  
  • Edge profile gauge
  
  
  • Dial indicator with radius gauge attachment
  
  
  • Angle finder/gauge
  
  
  • Good Scanner?
  
  
  
  


• 3D printer improvements for the Monoprice Ultimate Maker
  
  
  
  • 
    
    
    
    • Stuff it already has
      
      
      • Internal RaspPi running octoprint
      
      
      • MicroSwiss metal hot end
      
      
      • Enclosure
      
      
      • BLTouch
      
      
      
      
    
    
    • Better cable management
    
    
    • Fixed print surface improvements
    
    
    • Fan upgrades
    
    
    • Switch to a faster bed heater?
    
    
    • Lubrication suggestions?
    
    
    
    
  
  
  
  

Stephen

• Hacking a frequency counter
  
  
  
  • 2 new designs at work that are highly dependent on frequency stability
  
  
  • 3156 Amazon wonder
  
  
  • Where and how to read values
  
  
  • Arduino solution?
  
  
  
  


• Simulation: Arbitrary sources
  
  
  
  • 
    
    
    
    • Adding functions to your voltage and current sources
    
    
    • VCA and controls
    
    
    • Non-linear circuits
    
    
    
    
  
  
  
  

Rapid Fire Opinion

• A NES Motherboard For The Open Source Generation
  
  
  
  • All but two parts are readily available
    
    
    • CIC lockout chip
    
    
    
    
  
  
  • UA6527 cpu
    
    
    • Reversed pulse wave from the original cpu
    
    
    • NES Clones Reversed Duty Cycles - Why you should Reject them