Thread: How do I check the output of an amp with a scope?
View Single Post
  #2   Report Post  
Posted to sci.electronics.repair
whit3rd whit3rd is offline
external usenet poster
  
Posts: 2,017
Default How do I check the output of an amp with a scope?
On Jun 30, 11:38*am, "
wrote:

* * * I have built a mic amp and wanted to check the wave form on a
scope but when I connect the probes to the o/p of the amp the power
supply trips (The Mic operates on 9 volt single rail.)

Is one of your scope probes a GROUND connection? Couple to the
microphone amp output through a coupling transformer, see if that
helps.

Which power supply trips, the scope, or the microphone amp? What
are the specifications of that power supply?
Reply With QuoteReply With Quote