Ch2
About the Ch2 PCB
Ch2 is an open source PCB design by jmlzone, published on GitHub. It is a 4-layer board measuring 33.3 × 84.6 mm, with 83 components from 26 distinct parts.
Other key parts include the MCP4351, MCP6004N, 74LVC1G3157, 74LVC4066 and MCP6S26. By type, the board carries 41 resistors, 28 capacitors, 8 ICs, 3 transistors, 2 connectors and 1 test point.
From the project
Repeater controller
Main components on the Ch2
Ch2 bill of materials (BOM)
83 components, 26 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP4351 | SSOP-20 | U103 |
| 2 | MCP6004N | SOIC14 | U401, U405 |
| 3 | 74LVC1G3157 | SOT23-6 | U402, U403, U406 |
| 1 | 74LVC4066 | SOIC14 | U404 |
| 1 | MCP6S26 | SOIC14 | U407 |
| 3 | 2N7000 | SOT23 | Q401, Q402, Q403 |
| 1 | Radio Port | RibbonHeader2x5 | J403 |
| 1 | DB9_FEMALE | DB9FC | J404 |
| 1 | TESTPOINT | Wire_28AWG | TP201 |
| 7 | 4.7u | smd0603 | C401, C402, C404, C406, C408, C421, C425 |
| 5 | 33p | smd0603 | C403, C411, C413, C417, C419 |
| 4 | 0.1u | smd0603 | C405, C407, C420, C422 |
| 2 | 0.027u | smd0603 | C409, C410 |
| 1 | 0.0039u | smd0603 | C412 |
| 3 | 10u | smd0603 | C414, C416, C423 |
| 6 | 100p | smd0603 | C426, C427, C428, C429, C430, C431 |
| 6 | 100k | smd0603 | R401, R410, R427, R436, R437, R440 |
| 7 | 1k | smd0603 | R402, R403, R408, R413, R430, R438, R439 |
| 6 | 20k | smd0603 | R404, R420, R431, R441, R442, R443 |
| 10 | 10k | smd0603 | R405, R406, R421, R422, R424, R425, R428, R429 +2 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 33 | smd0603 | R407, R411, R434 |
| 4 | 2k | smd0603 | R412, R415, R419, R426 |
| 1 | 13k7 | smd0603 | R414 |
| 2 | 50k | smd0603 | R416, R418 |
| 1 | 27k | smd0603 | R417 |
| 1 | 200k | smd0603 | R423 |
Ch2 design files
The KiCad project lives in the jmlzone/PiPtr repository on GitHub; these links point at the commit this page was built from.
- Layoutsch_pcb/ch2.kicad_pcb
Ch2: common questions
How big is the Ch2 PCB?
The Ch2 measures 33.3 × 84.6 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Ch2?
83 components, from 26 distinct parts. The full bill of materials is listed on this page.
Where can I download the Ch2 design files?
From the jmlzone/PiPtr repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Ch2 design in my own project?
The repository has no license, so all rights stay with jmlzone. Use it as a reference, and ask the author before reusing the design.
