I ordered a Edcor XPWR127-120 power transformer , It seems to have all my needs except.
My concern is the 12v winding. Should this be 6volts and if so how would I step it down to 6v. Thanks This is for. Dumble #102 build.
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Edited:Â May 06, 2022
Power Transformer
Power Transformer
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The LM7812 handles a range of input voltages, the 6V doubled will give you enough to rectify and feed the regulator. I thought it was on the low side and went with a 12V transformer, which doubled is still well within the regulator range. Working in my case, thought about converting the doubler to just rectify but seemed like more work for no reason.
I have the same question, well, basically. Seems like you would be able to bypass the voltage doubler and simply rectify from AC to DC. @wdra65 Did you figure out a way to get around this?
Hi- I have just finished my 102 build using the board. I think there are spots to attach either a 6V power supply or a 12V power supply. I used an outboard 6V supply myself. Others may chime in on this.