MDAC for Pipeline ADC - Timing Analysis

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Puppet123

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Hello,

I am examing this MDAC for a Pipeline ADC and am confused about the style of the notation on the schematic in terms of the switches.

What do they mean ?

The switches say VDD/GND and P2D and P1D.

Does that mean set that point to VDD at P2D and GND at P1D ?

How would I do this if I am correct ?

Thank you.
 

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The notation isn't commonly understood and needs explanation. I'm sure it becomes obvious if you read the paper where you copied the schematic more thoroughly.
 

How about this one ?

Is the "gnd" symbol mean apply vcm there ?
 

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