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Do we name the circuit types according to their input?

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chang830

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We used "differtial circuit", "single ended circuit" to decribe our circuit. It is for input and not output, right? I mean, if my citrcuit is differential input and single ended output, the circuit contains a dif-to-single converter in it. We still define it as differtial block, right?

Thanks
 

Re: differtial circuit

Right ..

Rgds,
IanP
 

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    chang830

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differtial circuit

yeah
But if citrcuit is differential input and single ended output and it's load resistance not current mirror,it will not restrain the common-mode signal.
 

Re: differtial circuit

The common-mode signal here you meant input signal or output signal?

Since it's single-ended output, there is no common-mode signal for the output signal.

hbchens said:
yeah
But if citrcuit is differential input and single ended output and it's load resistance not current mirror,it will not restrain the common-mode signal.
Click to expand...
 

Re: differtial circuit

chang830 said:
We used "differtial circuit", "single ended circuit" to decribe our circuit. It is for input and not output, right?

Thanks
Click to expand...

There are fully differential amplifiers if this is your hidden question (differential in-differential out).
In common OA terminology you have right.
But in RF, a single ended circuit could be the input (or the output) of transciever, as well a differential circuit could be another input (or output) of the same transciever.
Differential versus single ended means in RF an overal gain of 3dB.

Even a single ended output could have "common mode", but is called usually offset.
 

Re: differtial circuit

I think your answer is wright .
 

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