GSSL phase inverting?

saint gillis · Oct 9, 2015

Dear all,
I'm looking at the GSSL schematic :
http://www.gyraf.dk/gy_pd/ssl/ssl_sch.gif

And I have a stupid question... is the GSSL phase inverting??

Whoops · Oct 9, 2015

saint gillis said:
Dear all,
I'm looking at the GSSL schematic :
http://www.gyraf.dk/gy_pd/ssl/ssl_sch.gif

And I have a stupid question... is the GSSL phase inverting??

Do you mean if the output signal of the GSSL is phase inverted with the signal at the input?

Gustav · Oct 10, 2015

saint gillis said:
Dear all,
I'm looking at the GSSL schematic :
http://www.gyraf.dk/gy_pd/ssl/ssl_sch.gif

And I have a stupid question... is the GSSL phase inverting??

According to the schematic, it is inverting (unless you swap + and -), but if you follow the silk screen markings for + and - on the board, its not.

The two stages on the output opamp are also numbered in reverse between schematic and board. Keep that in mind if you trace it out and compare to the actual board layout.

Gustav

saint gillis · Oct 10, 2015

Thank you! Ok I noticed indeed the + input goes in the + op amp input and - into - ...

GSSL phase inverting?

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