Circuit trace courtesy of YuSynth.net. I will transfer this to transparency sheet by printing the image in monochrome on a Laser printer.
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Components and layout reference.
I have etched the pcb and coated it with resin. It's now time for those resistors and diodes. Experience has taught me that It's best to solder in the flat components first.
Starting with resistors.
Moving on to capacitors, IC sockets, diodes, and headers. I've decided to try out using some female headers for a change. I'm hoping it makes the wiring of pots and jacks a little less tedious for future builds.
The 1st build was a flop. Turns out the etch wasn't good, so I etched a 2nd board and this one works great.
This module looks fantastic with the circular rotating lights.
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Quadrature LFO - Module

A sinewave LFO with four outputs which are running at the same rate but are phase shifted by increment of 90°. That is, the first output has a shift of 0°, the second 90°, the third 180° and the fourth 270°.

Status: In Progress.

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Brian Tuley
Electronic Engineer Brentwood, CA