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RC2014 Tandy Sound Card

tebl·RC2014·RC2014 Tandy Sound Card/RC2014 Tandy Sound Card.kicad_pcb

RC2014 Tandy Sound Card PCB layout, top view — open source board by tebl

About the RC2014 Tandy Sound Card PCB

RC2014 Tandy Sound Card is an open source PCB design by tebl, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 99.1 × 49.5 mm, with 32 components from 21 distinct parts.

Other key parts include the 74HCT138, 74HCT245, SN76489AN, TDA7056A and 74HCT74. By type, the board carries 8 capacitors, 6 connectors, 6 diodes, 5 ICs, 3 resistors and 1 crystal.

It belongs with the audio designs in this gallery.

From the project

RC2014 expansion modules and scripts

This is a sound card for the RC2014 that I've been tinkering with, it's based on the SN76489N chip so it should be something akin to the original Tandy Sound Card. Not that I actually had one of those mind you, I was lucky enough to have a computer in the early 90s and that was years before I managed to get a hold of my first used sound card (Creative Soundblaster 8-bit). Anyways, I digress...

RC2014 Tandy Sound Card, from the project README
From the project README

Main components on the RC2014 Tandy Sound Card

74HCT13874HCT245SN76489ANTDA7056A74HCT74

RC2014 Tandy Sound Card bill of materials (BOM)

32 components, 21 distinct parts.

QtyPartRefs
1
74HCT138
U1
1
74HCT245
U2
1
SN76489AN
U3
1
TDA7056A
U4
1
74HCT74
U5
1
1MHz
X1
1
CONN_01X39
J1
1
Line Out
J2
1
Speaker Out
J3
1
CONN_02X08
J4
1
JACK_TRS_6PINS
J5
1
CONN_02X04
J6
1
Clock source
JP1
2
10k
RV1, RV2
6
1N4848
D1, D2, D3, D4, D5, D6
5
100nF
C1, C2, C3, C4, C8
1
220uF
C5
1
470nF
C6
1
470uF
C7
1
1k
R1
Show 1 more
QtyPartRefs
2
10k
R2, R3

RC2014 Tandy Sound Card design files

The KiCad project lives in the tebl/RC2014 repository on GitHub; these links point at the commit this page was built from.

RC2014 Tandy Sound Card: common questions

How big is the RC2014 Tandy Sound Card PCB?

The RC2014 Tandy Sound Card measures 99.1 × 49.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RC2014 Tandy Sound Card?

32 components, from 21 distinct parts. The full bill of materials is listed on this page.

Where can I download the RC2014 Tandy Sound Card design files?

From the tebl/RC2014 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the RC2014 Tandy Sound Card design in my own project?

Yes, under the terms of its GPL-3.0 license, which tebl chose for the repository.

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