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Rfreplacement

c0pperdragon·C64-Video-Enhancement·rfreplacement/rfreplacement.kicad_pcb

Rfreplacement PCB layout, top view — open source FPGA board by c0pperdragon

About the Rfreplacement PCB

Rfreplacement is an open source FPGA PCB design by c0pperdragon, published on GitHub under the MIT license. It is a 2-layer board measuring 61 × 64.1 mm, with 97 components from 29 distinct parts.

Its main chip is the 10M02SCE144, from the FPGA family. By type, the board carries 40 resistors, 34 capacitors, 3 inductors, 1 IC, 1 connector and 1 switch.

It belongs with the retro computing designs in this gallery.

From the project

Component video modification for the C64 8-bit computer

FPGA based modification board for the Commodore 64 computer to produce YPbPr or RGB video output.

The C64 is the most iconic device of the 8-bit computer era and there is a huge library of software and hardware modifications available. Nevertheless the video output quality is inherently poor by modern standards, even with the use of the s-video option. This is specially true with LCD flat screens that amplify the visual artifacts even more.

Rfreplacement, from the project README
From the project README

Main components on the Rfreplacement

10M02SCE144

Rfreplacement bill of materials (BOM)

97 components, 29 distinct parts.

QtyPartRefs
1
10M02SCE144
U2
1
AudioJack4_Ground
J1
2
THS7316
AMP1, AMP2
4
Conn_01x01
GND1, GND2, GND3, GND4
1
Conn_01x02
GND5
1
Conn_02x10_Odd_Even
GPIO1
1
Conn_01x20_MountingPin
JFPC1
1
Conn_02x05_Odd_Even
JTAG1
1
LFSPXO024957
OSC1
2
LM1117IMPX-3.3
REG1, REG2
4
Conn_01x04
RFCON1, RFCON2, RFCONC1, RFCONC2
1
SW_SP3T
SW1
3
10uH
L1, L2, L3
7
10uF
C1, C2, C3, C4, C5, C9, C30
26
100nF
C6, C7, C10, C11, C12, C13, C14, C15 +18
1
100uF
C8
1
1k1
R1
4
1k
R2, R7, R12, R31
3
2k
R3, R8, R13
3
4k
R4, R9, R14
Show 9 more
QtyPartRefs
3
8k
R5, R10, R15
3
16k
R6, R11, R16
3
150
R17, R18, R19
7
10k
R20, R21, R22, R23, R24, R25, R26
6
75
R27, R28, R29, R33, R34, R35
1
3k3
R30
1
2k2
R32
3
680
R36, R38, R39
2
330
R37, R40

Rfreplacement design files

The KiCad project lives in the c0pperdragon/C64-Video-Enhancement repository on GitHub; these links point at the commit this page was built from.

Rfreplacement: common questions

What microcontroller does the Rfreplacement use?

The Rfreplacement is built around the 10M02SCE144, from the FPGA family.

How big is the Rfreplacement PCB?

The Rfreplacement measures 61 × 64.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Rfreplacement?

97 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the Rfreplacement design files?

From the c0pperdragon/C64-Video-Enhancement repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Rfreplacement design in my own project?

Yes, under the terms of its MIT license, which c0pperdragon chose for the repository.

Can I test firmware for the Rfreplacement without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug FPGA firmware against it before you order a PCB.

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