Sep 17

Signals

• AC vs. DC
• Frequency composition
• DC bias

Capacitors

• http://en.wikipedia.org/wiki/Capacitor
• Impedance
• RC filters
  • Cutoff frequency
  • Low pass
  • High pass
• Decoupling capacitors
• Ceramic vs. electrolytic

PWM

• http://en.wikipedia.org/wiki/Pulse-width_modulation
• Fading
  • Scope it (if time allows)
• PWM and lowpass filters