?

Hi ya'll,

First let me thank those who noted the RF noise spikes that I too was getting on all bands and ordered the DROK 12v to 5 v buck converter from Amazon to hopefully correct it.

Just my 2cents to help in figuring out on how to wire it up after reading this message string from everyone.

Researching on how to install to replace the existing one as shown below by Evan's picture - AC9TU - and reading the post from?Joel - N6ALT - who has already done it;? it actually looks simple as the pin descriptions are printed on the bottom of the little regulator circuit board for ref.

Using the image below for reference, there is a 4 pin header socket that the original board is plugged into, and using the PIN #'s from the V3? Schematic? for J1 - From left to right they are...

pin 4 =>? V out

pin 3 => Ground

pin 2 => V in

pin 1 => NC - No Connection

?

As I haven't received the regulator yet, not certain if the ground leads from the in & the out are common & tied together, but i suspect that they are as the picture from Joel - N6ALT - doesn't show that the output side ground is hooked up.

Comments and additional details are welcome as we all can benefit from them.? I have already benefited from this group over the years working with my uBitx v6 with everyone's point of view and knowledge.

Brian - N9NAZ

Dave,

Here is a picture of the regulator mounted to the board, circled in blue, and R203 and R204 are circled in red.



J1 is on the first page of the schematic.? There is not a U number for the device.? Joel may be able to identify the proper pins for the DROK converter.

I currently have issues with my back and can not get to my V3 in the basement for pictures with the regulator removed.

The best way to measure the power supplied to the V3 is to measure the voltage and current.? There are power meters available online if you want to purchase one.? I have this one I used for another project:


73
Evan
AC9TU