Cgs synth

When there is nothing connected to an input to the AND gate, the pull-up
resistor will pull that input up to +10V. If you plug in something connected
to ground, the input is now at 0V instead of +10V.

>--- In cgs_synth@yahoogroups.com, sasami@... wrote:
>>
>> >pulldown resistors that turn off unused inputs to the logic module? Or
>> >is it just the same as no input?
>>
>> Assuming I am reading this right, It will be the same as being
>connected to
>> an output pushing out 0V. i.e. 0V will become your minimum in one
>gate, and
>> the maximum in the other.
>
>Ok thanks, I think I get it, though I am a little confused about how
>it differentiates between a 0v input and nothing connected at all. You
>are saying that if no cable is connected a to a certain logic input,
>it will automatically shut off, but if a cable is connected supplying
>0v it will take that as an input(and the output, by default if it is
>the AND gate), and it is the same case when a
>potentiometer which is closed(and tied to ground) is connected to it?
>
>
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