Ti99-rgb
About the Ti99-rgb PCB
Ti99-rgb is an open source PCB design by wiesl, published on GitHub. It is a 2-layer board measuring 99.1 × 66 mm, with 79 components from 36 distinct parts.
Other key parts include the XR8052, 4066, LM1881 and TL081. By type, the board carries 35 resistors, 13 capacitors, 10 connectors, 6 ICs and 1 inductor.
From the project
ti99-rgb
TMS9929A RGB Converter ======================
This RGB converter is based on this great project: TMS9929A RGB and Component adapter - A high resolution Component, RGB or SCART adapter for MSX and Colecovision.
It converts signals from a TMS9929 with correct colors to RGB.
See also this thread for more information.
Original author: Copyright 2016: Alexis Kotlowy
Enhanced version: Copyright 2017: Gerhard Wiesinger
Main components on the Ti99-rgb
Ti99-rgb bill of materials (BOM)
79 components, 36 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | XR8052 | SOIC-8-N | U1, U2, U3 |
| 1 | 4066 | SOIC-14_N | U4 |
| 1 | LM1881 | SOIC-8-N | U5 |
| 1 | TL081 | SOIC-8-N | U6 |
| 1 | CONN_01X06 | Pin_Header_Straight_1x06_Pitch2.54mm | P1 |
| 1 | CONN_01X08 | Pin_Header_Straight_1x08_Pitch2.54mm | P2 |
| 3 | SEL | Pin_Header_Straight_1x03_Pitch2.54mm | P3, P4, P5 |
| 4 | CONN_01X01 | 1pin | P6, P7, P8, P9 |
| 1 | 12V | Pin_Header_Straight_1x01 | P10 |
| 1 | Jack-DC | jack_2mm | JDC1 |
| 2 | Conn_01x02 | rca_white | JUIN1, JUOUT1 |
| 3 | Conn_01x02 | Pin_Header_Straight_1x02_Pitch2.54mm | JUSHORT1, JVSHORT1, JYINSHORT1 |
| 2 | Conn_01x02 | rca_red | JVIN1, JVOUT1 |
| 2 | Conn_01x02 | rca_black | JYIN1, JYOUT1 |
| 3 | 4.7k | R_0805_HandSoldering | RUIN1, RVIN1, RYIN1 |
| 1 | 10k | R_0805_HandSoldering | RYIN2 |
| 1 | FERRITE | R_1206_HandSoldering | L1 |
| 4 | 47UF 47uF | TantalC_SizeB_EIA-3528_HandSoldering | C1, C2, C3, C8 |
| 8 | 100NF 100nF | C_0805_HandSoldering | C6, C7, C9, C10, C11, C12, C13, C15 |
| 1 | 10NF 10nF | C_0805_HandSoldering | C14 |
Show 16 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1.2K 1.2k | R_0805_HandSoldering | R1, R5 |
| 3 | 75R | R_0805_HandSoldering | R2, R9, R17 |
| 12 | 1k | R_0805_HandSoldering | R3, R4, R7, R8, R10, R11, R16, R18 +4 |
| 3 | 2k7 | R_0805_HandSoldering | R6, R14, R21 |
| 3 | 12k | R_0805_HandSoldering | R6_2, R14_2, R21_2 |
| 1 | 6.2K 6.8k | R_0805_HandSoldering | R12 |
| 1 | 68k | R_0805_HandSoldering | R12_2 |
| 1 | 3.6K 5.6k | R_0805_HandSoldering | R13 |
| 1 | 10k | R_0805_HandSoldering | R13_2 |
| 1 | 9.1K 10k | R_0805_HandSoldering | R15 |
| 1 | 100k | R_0805_HandSoldering | R15_2 |
| 1 | 680K 680k | R_0805_HandSoldering | R23 |
| 1 | 680R | R_0805_HandSoldering | R24 |
| 1 | 82R | R_0805_HandSoldering | R25 |
| 2 | 10K 10k | R_0805_HandSoldering | R28, R29 |
| 1 | 270R | R_0805_HandSoldering | R30 |
Ti99-rgb design files
The KiCad project lives in the wiesl/ti99-rgb repository on GitHub; these links point at the commit this page was built from.
Ti99-rgb: common questions
How big is the Ti99-rgb PCB?
The Ti99-rgb measures 99.1 × 66 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Ti99-rgb?
79 components, from 36 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 Ti99-rgb design files?
From the wiesl/ti99-rgb repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Ti99-rgb design in my own project?
The repository has no license, so all rights stay with wiesl. Use it as a reference, and ask the author before reusing the design.