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Topic: multiplier (Read 9182 times) previous topic - next topic

domo

#30
Apr 07, 2013, 04:36 pm
What i dont understand is, if there is a DAC, then hasnt the output become analogue? where does it turn dc again?

domo

#31
Apr 08, 2013, 04:15 pm Last Edit: Apr 14, 2013, 12:39 am by domo Reason: 1
When i connect up the circuit, it does not seem to work. I am inputting the output

dc42

#32
Apr 08, 2013, 04:30 pm
Which circuit have you built? I suggest you also post a photo of your wiring.
Formal verification of safety-critical software, software development, and electronic design and prototyping. See http://www.eschertech.com. Please do not ask for unpaid help via PM, use the forum.

domo

#33
Apr 08, 2013, 04:35 pm Last Edit: Apr 14, 2013, 12:38 am by domo Reason: 1

I have built the buffer without the transistor system and the external secondary voltage input.

dc42

#34
Apr 08, 2013, 04:41 pm
If you build the circuit as I described it, then I will try to help you get it working. If you leave bits out, you're on your own.
Formal verification of safety-critical software, software development, and electronic design and prototyping. See http://www.eschertech.com. Please do not ask for unpaid help via PM, use the forum.

domo

#35
Apr 09, 2013, 02:31 pm Last Edit: Apr 14, 2013, 12:38 am by domo Reason: 1
photo1 just shows the wiring after op-amp and before HVM.

When i attempt to put in a second voltage input it doesn't work, therefore i tried to test the circuit by building whats on photo 2, which works but the output is not ideal.
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