HardLabs

C64-RF-Modulator

pmandes·C64-RF-Modulator·rfreplacement/rfreplacement.kicad_pcb

C64-RF-Modulator PCB layout, top view — open source board by pmandes
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About the C64-RF-Modulator PCB

C64-RF-Modulator is an open source PCB design by pmandes, published on GitHub under the MIT license. It is a 2-layer board measuring 55.9 × 43.9 mm, with 34 components from 19 distinct parts.

By type, the board carries 11 resistors, 5 capacitors, 4 inductors, 3 connectors, 1 switch and 1 LED.

It belongs with the retro computing and audio designs in this gallery.

From the project

Commodore C64C RF modulator replacement with S-Video and stereo audio output.

This is a project of a modulator replacement based on an analog c0pperdragon module. It was adjusted in size to the Commodore C64C motherboard and extended with S-Video and Strereo Audio outputs.

1.2 - internal audio route to left and/or right channel - ferrite beads to suppresses high-frequency electronic noise - silkscreen layer with descriptions of all outputs and elements - 3D models for a nice rendering - project cleaned up and migrated to KiCad 6.0 - interactive BOM

C64-RF-Modulator, from the project README
From the project README

C64-RF-Modulator bill of materials (BOM)

34 components, 19 distinct parts.

QtyPartRefs
3
Conn_01x02
J1, J2, J3
1
Conn_01x03
AUDIO_OUT1
3
Conn_01x02
GND1, GND2, GND3
1
Jumper_2_Open
JPLUM1
1
LM1117-3.3
LM1117-3.3
2
Conn_01x04
RFCONC1, RFCONC2
1
Mini-DIN-4
S-VIDEO1
1
THS7316
THS7316
1
AudioJack2_Ground
STEREO_OUT1
2
Ferrite Bead
FB1, FB2
2
81-BL02RN1R2M2
FB3, FB4
2
10uF
C1, C9
3
100nF
C10, C28, C29
1
3k3
R30
1
1k
R31
1
2k2
R32
3
75
R33, R34, R35
3
680
R36, R38, R39
2
330
R37, R40

C64-RF-Modulator design files

The KiCad project lives in the pmandes/C64-RF-Modulator repository on GitHub; these links point at the commit this page was built from.

C64-RF-Modulator: common questions

How big is the C64-RF-Modulator PCB?

The C64-RF-Modulator measures 55.9 × 43.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the C64-RF-Modulator?

34 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the C64-RF-Modulator design files?

From the pmandes/C64-RF-Modulator repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the C64-RF-Modulator design in my own project?

Yes, under the terms of its MIT license, which pmandes chose for the repository.

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