Quad Prototype
About the Quad Prototype PCB
Quad Prototype is an open source PCB design by nmikstas, published on GitHub. It is a 4-layer board measuring 50.3 × 63.5 mm, with 113 components from 17 distinct parts.
Other key parts include the LD1117S33TR and 74LVC125. By type, the board carries 37 test points, 32 transistors, 24 resistors, 9 capacitors, 8 ICs and 3 connectors.
From the project
Recreation of the Atari POKEY chip (work in progress)
Main components on the Quad Prototype
Quad Prototype bill of materials (BOM)
113 components, 17 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LD1117S33TR | Reg | U1 |
| 1 | ~ | VQFN20_RKS_TEX | U2 |
| 3 | 74LVC125 | DHVQFN14_SOT762-1_NEX | U3, U7, U8 |
| 3 | ~ | XSON8 | U4, U5, U6 |
| 32 | SSM3K72KCT | CST3_TOS | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +24 |
| 1 | ~ | Con_2X20 | J1 |
| 1 | ~ | Proto-72Pin | J2 |
| 1 | Conn_01x03_Pin | PinSocket_1x03_P2.54mm_Vertical | J3 |
| 37 | ~ | TP | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +29 |
| 8 | .1uf | C_0201_0603Metric | C1, C3, C4, C5, C6, C7, C8, C9 |
| 1 | 10uf | C_0805_2012Metric | C2 |
| 4 | 825 1% | R_0201_0603Metric | R1, R7, R13, R19 |
| 4 | 1.65K 1% | R_0201_0603Metric | R2, R8, R14, R20 |
| 4 | 3.3K 1% | R_0201_0603Metric | R3, R9, R15, R21 |
| 4 | 7.68K 1% | R_0201_0603Metric | R4, R10, R16, R22 |
| 4 | 24K 1% | R_0201_0603Metric | R5, R11, R17, R23 |
| 4 | 75K 1% | R_0201_0603Metric | R6, R12, R18, R24 |
Quad Prototype design files
The KiCad project lives in the nmikstas/atari_pokey repository on GitHub; these links point at the commit this page was built from.
Quad Prototype: common questions
How big is the Quad Prototype PCB?
The Quad Prototype measures 50.3 × 63.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Quad Prototype?
113 components, from 17 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Quad Prototype design files?
From the nmikstas/atari_pokey repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Quad Prototype design in my own project?
The repository has no license, so all rights stay with nmikstas. Use it as a reference, and ask the author before reusing the design.
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