[Techtoolslist] O-scope Z-Channel Question

[Rodger Boots]

Matt Rossiter wrote:

> I'm using a Tektronix 475 Oscilloscope and, of course, I use XY mode for 

> testing to see if the X and Y signals look good on the screen.  There is 

> an external Z axis channel in the back, but I've never gotten it 

> completely to work.  Someone once told me that I need to use an inverter 

> to invert the signal into the probe - which sort of works, but I still see 

> the vector retrace lines.


What do you mean "into the probe"?  If you're using a X10 probe after 
the inverter there wouldn't be enough signal left for proper blanking.



>   Is it possible to completely blank out the Z 

> signals so that the picture looks the way it's supposed to?

>

> Thanks

>

> Matt

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