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2 layers20.8 × 36.1 mmVectrex stereo ay, the printed circuit board in 3D

A simple PCB to turn your Vectrex AY-3-8912 3 channel mono sound into stereo line out! The speaker will still work as well if you have the volume up.

Size
20.8 × 36.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
32
Pads
76
Tracks, vias
74, 25
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
29 Dec 2020
Updated
4 Jul 2022

Overview

Vectrex stereo ay is an open-source printed circuit board by technobly, from the technobly/vectrex-stereo-ay repository on GitHub. It is a 2-layer board of 20.8 × 36.1 mm with 12 parts on 32 nets, routed with 74 tracks and 25 vias.

Its parts include 4 capacitors, 4 resistors, 2 ICs and 2 connectors. It belongs with the audio and music boards of this library.

README

README.md

Vectrex Stereo AY

A simple PCB to turn your Vectrex AY-3-8912 3-channel mono sound into stereo line out!

How does it sound?

Check out my Youtube demo

How to Use

  • Refer to Installation Pics below
  • Remove your AY-3-8912 from its socket
  • Plug the AY-3-8912 into this adapter
  • Plug this adapter into the AY's socket
  • Clip the micro grabber on
    • 2GE: Clip onto the bottom of R329 as pictured below.
    • 3GE: Clip on the same place or R329, which is just a jumper wire.
  • Plug into your favorite amplifier and enjoy!

BOM and Parts ordering

Installation Pics

Ordering PCB's

OSHPark is a good place to order with purple or the new "after dark" theme color scheme. You can upload the KiCad vectrex-stereo-ay.kicad_pcb there directly. I would download this entire Github repo ZIP file first though instead of just trying to save the PCB file from your browser.

Another way to order PCB's is by using the included gerbers-tall-design and uploading those with all of the necessary specs to companies like PCBWay or JLCPCB

LICENSE

Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)

Basically, you can make, use, remix as long as you give credit... but you are not allowed to sell them for profit. If you like this project, buy me a coffee please! Full LICENSE here

Parts

12
QtyValueFootprintReferences
20.22uFResistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolderC1, C3
210k 1%Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolderR1, R4
215k 1%Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolderR2, R3
22.2nFResistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolderC2, C4
1AY-3-8912 PINSvectrex-stereo-ay:DIP-28_W15.24mm-pinsU1
1AY-3-8912 SOCKETvectrex-stereo-ay:DIP-28_W15.24mm-socketU2
1Audio OutConnector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ2
1Speech Mini GrabberConnector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_VerticalJ1

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Questions

How big is the Vectrex stereo ay PCB?

It measures 20.8 × 36.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Vectrex stereo ay use?

12 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Vectrex stereo ay KiCad files?

From the technobly/vectrex-stereo-ay repository on GitHub, at the commit this page was made from: the board is hardware/vectrex-stereo-ay.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Vectrex stereo ay design in my own project?

Its repository states no licence, so its author keeps all rights: ask technobly before reusing the design.