Operacake
About the Operacake PCB
Operacake is an open source PCB design by greearb, published on GitHub under the GPL-2.0 license. It is a board measuring 120 × 75 mm, with 152 components from 24 distinct parts.
Other key parts include the MASWSS0129, SKY13322, PCA9557, TC7MBL3245CFT and 74LVC1G58. By type, the board carries 35 capacitors, 30 test points, 20 resistors, 16 ICs, 10 diodes and 7 connectors.
From the project
CT instance of hackrf
Copyright 2012 - 2016 Great Scott Gadgets
This is a free hardware design; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version.
This design is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Main components on the Operacake
Operacake bill of materials (BOM)
152 components, 24 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MASWSS0129 | QFN12-3 | U1 |
| 2 | SKY13322 | SKY13322-375LF | U2, U3 |
| 1 | PCA9557 | TSSOP16 | U4 |
| 1 | TC7MBL3245CFT | TSSOP20 | U5 |
| 6 | 74LVC1G58 | SOT363 | U6, U7, U10, U11, U12, U13 |
| 2 | 74AHC1G08 | SOT353-1 | U8, U9 |
| 2 | 74AHC1G02 | SOT353-1 | U14, U15 |
| 1 | 74LVC1G19 | SOT363 | U16 |
| 2 | CONN_02X20 | HEADER-2x20-REVERSE | J1, J2 |
| 1 | ADDRESS | HEADER-2x3 | P1 |
| 1 | BASEBAND | HEADER-2x8 | P9 |
| 1 | GPIO | HEADER-2x11 | P20 |
| 1 | I2S | HEADER-2x13 | P22 |
| 1 | SD | HEADER-2x11 | P28 |
| 18 | LED | 0603D | DA0, DAG1, DAG2, DAG3, DAG4, DAY1, DAY2, DAY3 +10 |
| 6 | MOUNTING_HOLE | HOLE126MIL-COPPER | MH1, MH2, MH3, MH4, MH5, MH6 |
| 10 | GSG-RF-CONN | GSG-SMA-73251-2120 | PA0, PA1, PA2, PA3, PA4, PB0, PB1, PB2 +2 |
| 30 | CONN_1 | TESTPOINT-50MIL | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +22 |
| 10 | GSG-DIODE-TVS-BI | 0402 | D1, D2, D3, D4, D5, D6, D7, D8 +2 |
| 25 | 100nF | 0402 | C1, C2, C3, C4, C5, C6, C7, C8 +17 |
Show 4 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 10 | 33pF | 0402 | C13, C14, C15, C16, C17, C18, C19, C20 +2 |
| 6 | 330 | 0603 | R1, R2, R3, R4, R5, R6 |
| 2 | 1k8 | 0603 | R7, R8 |
| 12 | 10k | 0603 | R9, R10, R11, R12, R13, R14, R15, R16 +4 |
Operacake design files
The KiCad project lives in the greearb/hackrf-ct repository on GitHub; these links point at the commit this page was built from.
Operacake: common questions
How big is the Operacake PCB?
The Operacake measures 120 × 75 mm and is 1.6002 mm thick.
How many components are on the Operacake?
152 components, from 24 distinct parts. The full bill of materials is listed on this page.
Where can I download the Operacake design files?
From the greearb/hackrf-ct repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Operacake design in my own project?
Yes, under the terms of its GPL-2.0 license, which greearb chose for the repository.
