So, following that bom, the output would be 12V ? Using the IEB0105S09 would give me a 9V output for most pedals
Missing Build Docs / Schematics
- Thread starter Robert
- Start date
So in the 4 tap, the regulator brings the voltage to a certain level (5V ?) and then converters are used to get a specific voltage and mA output on each tap? Or I am completely off ?
AlphaMoose
Member
Any idea when we can get a schematic up for the Scabbard?
So ... there are a few parts with the same spec. the XP Power IEB0105S09 at 3$ (in Canadian), the XP Power IE0509S at 8$ and the RECOM RO-0509S at 10$. any reason to pay the extra dollars or the 3$ one is a good long term choice.
Robert
Reverse Engineer
Schematic is here:
BOM is here:
Drill template is here:
Thanks!Schematic is here:
BOM is here:
Drill template is here:
Hal Harvey
Well-known member
For the 4 tap, in the pending build doc you list "L7805CV" which is a 5V voltage regulator, should it instead be "L7809CV" which is 9V?
Robert
Reverse Engineer
The 5V regulator is correct. The DC/DC converters are 5V In / 9V Out.
Hal Harvey
Well-known member
That's why you get paid the big bucks.
Thanks!
I have four of these PCBs. This is saving me from buying another Strymon Ojai, but even better with 4 of these no more power split cords at all
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Are there any cheap options you know of for the dc/dc converters that output more mA ? I was planning on having one or two bigger taps
Robert
Reverse Engineer
The only ones I've tried are the XP Power 1W, 2W, and 3W versions.
The DC/DC converters have electrically isolated outputs and the DC jacks don't share a common ground.
I was planning on getting these since they provide more ma (says 333ma) and are in stock. In a previous thread you mentioned using the 12v version (305s12). Since I'm looking for 9v operation I'm assuming these are what I'd need with the l78l05cv?
Robert
Reverse Engineer
12V for the USB Power Converter (This is filtered / regulated down to 9V)
9V for the 4-Tap Isolator
The USB Power Converter has an additional stage of regulation/filtering to make up for noisy computer power supplies.
The next restock of the 4-Tap Isolator will possibly add some additional regulation as well, and if so that will require the 12V DC/DC converter to make up for the dropout voltage of the regulators.