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Can a single ended amp be truly balanced? - Page 4

post #46 of 54
Quote:
Originally Posted by Steve Eddy View Post

And what are the emitters tied to?

se

You're going to have to rephrase the question.
I'm not really sure what you're getting at.
post #47 of 54
Quote:
Originally Posted by Chris J View Post

You're going to have to rephrase the question.
I'm not really sure what you're getting at.

Ok, I'll rephrase it. What are the emitters tied to besides themselves?

se
post #48 of 54
Quote:
Originally Posted by Steve Eddy View Post


Ok, I'll rephrase it. What are the emitters tied to besides themselves?

se

 

If you are referring to the schematic above, then the emitters of Q1 and Q2 are tied to signal common, which is the negative side of the power source.

I'm not sure what you are getting at?

post #49 of 54
Quote:
Originally Posted by Chris J View Post
 

 

If you are referring to the schematic above, then the emitters of Q1 and Q2 are tied to signal common, which is the negative side of the power source.

I'm not sure what you are getting at?

 

My initial reply was to a post by ElectEnthusiast, where he said:

 

The signal is applied to the base. The Collector changes its current response directly in correlation with the received signal. Therefore, the signal does not see ground in this scenario.

 

se

post #50 of 54
Quote:
Originally Posted by Steve Eddy View Post
 

 

My initial reply was to a post by ElectEnthusiast, where he said:

 

The signal is applied to the base. The Collector changes its current response directly in correlation with the received signal. Therefore, the signal does not see ground in this scenario.

 

se

 

Groan.........

 

I really shouldn't be calling Q1 and Q2 a differential pair, you can argue that  the Emitters should be tied together AND loaded by some variety of Current Source to be properly called a Differential Pair.

 

Again, I say "Groan".

post #51 of 54
Quote:
Originally Posted by Chris J View Post

Groan.........

I really shouldn't be calling Q1 and Q2 a differential pair, you can argue that  the Emitters should be tied together AND loaded by some variety of Current Source to be properly called a Differential Pair.

Again, I say "Groan".

In either case, signal current still flows through the ground node.

se
post #52 of 54
Quote:
Originally Posted by Steve Eddy View Post


In either case, signal current still flows through the ground node.

se

 

Oh no!

Not the ground node!

:evil:

post #53 of 54
Quote:
Originally Posted by Chris J View Post

Oh no!
Not the ground node!
evil_smiley.gif

Would you prefer the comfy chair?

biggrin.gif

se
post #54 of 54
Quote:
Originally Posted by Steve Eddy View Post

Would you prefer the comfy chair?

biggrin.gif

se

The Therapist's Couch.
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