Isa opl2
About the Isa opl2 PCB
Isa opl2 is an open source PCB design by skiselev, published on GitHub. It is a board measuring 104.1 × 73.7 mm, with 61 components from 30 distinct parts.
Other key parts include the 74LS245, 74LS138, 74LS74, 74LS04 and YM3812. By type, the board carries 26 capacitors, 17 resistors, 9 ICs, 3 connectors, 1 transistor and 1 diode.
From the project
ISA OPL2 Card
ISA OPL2 Card is a sound card based on Yamaha OPL2 chip, officially known as YM3812. This card is compatible with the AdLib Music Synthesizer Card that was very popular in late 80's - early 90's.
Component Type | Reference | Description | Quantity | Possible Sources and Notes ------------------ | ---------- | ---------------------------------------------------------- | -------- | -------------------------- PCB | | ISA OPL2 Version 1.2 PCB | 1 | Todd Goodman or your favorite PCB manufacturer Integrated Circuit | U1 | 74LS245 | 1 | Mouser 595-SN74LS245N Integrated Circuit | U2, U3 | 74LS138 |…
Main components on the Isa opl2
Isa opl2 bill of materials (BOM)
61 components, 30 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS245 | DIP20_300 | U1 |
| 2 | 74LS138 | DIP16_300 | U2, U3 |
| 1 | 74LS74 | DIP14_300 | U4 |
| 1 | 74LS04 | DIP14_300 | U5 |
| 1 | YM3812 | DIP24_600 | U6 |
| 1 | Y3014B | DIP8_300 | U7 |
| 1 | RC4136 | DIP14_300 | U8 |
| 1 | LM386 | DIP8_300 | U9 |
| 1 | 2N3904 | TO92_EBC_254 | Q1 |
| 1 | AUDIO_OUT | PHONE3_5_STEREO | J1 |
| 1 | IRQ | Pin_Array_3X2 | P1 |
| 1 | ADDR | Pin_Array_4X2 | P2 |
| 1 | BUSPC | BUS_PC | BUS1 |
| 2 | CONN_1 | HOLE_3MM | HOLE1, HOLE2 |
| 1 | 10k | BOURNS91A1 | RV1 |
| 1 | 1N4148 | Diode_762 | D1 |
| 11 | 0.1uF | Cap_Cer_504 | C1, C2, C3, C4, C5, C6, C7, C8 +3 |
| 6 | 10uF | Cap_Tant_504 | C12, C13, C14, C15, C16, C17 |
| 1 | 220uF | Cap_Elec_Axial_254 | C18 |
| 1 | 4.7uF | Cap_Tant_504 | C19 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 47nF | Cap_Cer_504 | C20 |
| 4 | 4.7nF | Cap_Cer_504 | C21, C22, C23, C24 |
| 1 | 1nF | Cap_Cer_504 | C25 |
| 1 | 270pF | Cap_Cer_504 | C26 |
| 1 | 12k | Res_762 | R1 |
| 4 | 10k | Res_762 | R2, R3, R4, R5 |
| 1 | 8.2k | Res_762 | R6 |
| 7 | 2.2k | Res_762 | R7, R8, R9, R10, R11, R12, R13 |
| 1 | 1.5k | Res_762 | R14 |
| 3 | 10 | Res_762 | R15, R16, R17 |
Isa opl2 design files
The KiCad project lives in the skiselev/isa-opl2 repository on GitHub; these links point at the commit this page was built from.
- LayoutKiCad/isa_opl2.kicad_pcb
Isa opl2: common questions
How big is the Isa opl2 PCB?
The Isa opl2 measures 104.1 × 73.7 mm and is 1.6002 mm thick.
How many components are on the Isa opl2?
61 components, from 30 distinct parts. The full bill of materials is listed on this page.
Where can I download the Isa opl2 design files?
From the skiselev/isa-opl2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Isa opl2 design in my own project?
The repository has no license, so all rights stay with skiselev. Use it as a reference, and ask the author before reusing the design.