View Single Post
  #50   Report Post  
Posted to alt.engineering.electrical,sci.electronics.design,sci.electronics.repair,rec.audio.tech
Bob E. Bob E. is offline
external usenet poster
 
Posts: 26
Default Mixing 4 audio channels to 3?

What does U4 do?

Provides a Vcc/2 local "ground" so I can use these op amps with a single
supply voltage.