2 layers90 × 39.1 mm
PWRBRD
omc8db/DigitalVoice
An open source codec2 based handheld digital radio for VHF/UHF amateur bands
61 parts1Apache-2.0
2 layers65 × 56 mm
RPi Hat
omc8db/DigitalVoice1An open source codec2 based handheld digital radio for VHF/UHF amateur bands
- Size
- 65 × 56 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 76
- Nets
- 49
- Pads
- 265
- Tracks, vias
- 369, 10
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 12 Oct 2016
- Updated
- 8 May 2017
Overview
RPi Hat is an open-source printed circuit board by omc8db, from the omc8db/DigitalVoice repository on GitHub, published under the Apache-2.0 licence. It is a 2-layer board of 65 × 56 mm with 76 parts on 49 nets, routed with 369 tracks and 10 vias.
It is built around the MCP3021A5-E, MMG3H21NT1 and TPS61027DRC, with the MCP73833, SI4464DY and AFT05MS003NT1 among its other parts. Its parts include 31 capacitors, 14 inductors, 9 resistors, 6 ICs and 5 connectors.
Main components
6
MCP3021A5-E
SOT23-5Low-Power 10-Bit A/D Converter with I2C InterfaceMicrochip TechnologyUncategorised
MMG3H21NT1
SOT890-6GHz, 19.3dB, 5V, Broadband High Linearity Amplifier, InGaP HBT TechnologyNXP SEMICONDUTORSUncategorised
TPS61027DRC
VSON-10-EP(3x3)-40℃~+85℃@(TA) 1 5V 600kHz 900mV~6.5V Boost Boost Built-in Fixed Yes VSON-10-EP(3x3) DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
MCP73833
UncategorisedMicrochip Technology
SI4464DY
SOIC-81 N-channel 18nC@10V 2.2A 2.5W 200V 260mΩ@6V 4V N-Channel SOIC-8 MOSFETs ROHSVishay IntertechnologyMOSFETsAFT05MS003NT1
SOT-89-3-40℃~+150℃ 1.1pF 2.6V 23.2pF 30.5W 30V 38.5pF N-Channel SOT-89-3 MOSFETs ROHSNXP SemiconductorsMOSFETs
README
hardware/PiHat_Final/README.md% RPi B+ Hat
Raspberry Pi B+ Hat
Expansion Board
This is a project template for a Raspberry Pi B+ Hat.
This base project includes a PCB edge defined according to this specification. Both a thru-hole and a surface mount connector are provided, along with a different PCB edge for each. Just keep the PCB edge and connector type that you're using for your design and delete the others.
The component footprints used in this template are here.
The board outline looks like this:
Using the Template
To use the Raspberry Pi Hat template with the through-hole connector, do the following:
- Open the schematic. Remove the SMD connector, J1.
- Generate the schematic netlist.
- Generate the .cmp file. (The J2 connector will be the only component in it.)
- Open the PCB. Hover your mouse over the connector and hit e to edit it. Select the J1 SMD connector. In the Move and Place section of the Footprint Properties window, select the Free radio button. Then click OK. The SMD connector should now be unlocked so it can be removed.
- Read in the netlist from the schematic. In the Extra Footprints section of the Netlist dialog window, select the Delete radio button. Then click Read Current Netlist. The J1 SMD connector should disappear. Then click Close.
- Finally, delete the upper two arcs and the edge of the board outline.
To use the Raspberry Pi Hat template with the SMD connector, do the following:
- Open the schematic. Remove the through-hole connector, J2.
- Generate the schematic netlist.
- Generate the .cmp file. (The J1 connector will be the only component in it.)
- Open the PCB. Hover your mouse over the connector and hit e to edit it. Select the J2 through-hole connector. In the Move and Place section of the Footprint Properties window, select the Free radio button. Then click OK. The through-hole connector should now be unlocked so it can be removed.
- Read in the netlist from the schematic. In the Extra Footprints section of the Netlist dialog window, select the Delete radio button. Then click Read Current Netlist. The J2 through-hole connector should disappear. Then click Close.
- Finally, delete the lower two arcs and the edge of the board outline.
(c)2015 XESS Corp.
Parts
76| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | C | Capacitors_SMD:C_0805 | C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C31 |
| 9 | L_Small | Resistors_SMD:R_0603 | L6, L7, L8, L9, L10, L11, L12, L13, L14 |
| 5 | 1K | Resistors_SMD:R_0805 | R1, R2, R3, R4, R5 |
| 4 | RPi_Hat:RPi_Hat_Mounting_Hole | , , , | |
| 4 | 10uF | Capacitors_SMD:C_0805 | C1, C2, C3, C4 |
| 3 | 4.7pF | Capacitors_SMD:C_0805 | C6, C9, C11 |
| 3 | LED | LEDs:LED_0805 | D1, D2, D3 |
| 3 | R | Resistors_SMD:R_0603_HandSoldering | R7, R8, R9 |
| 2 | 10nF | Capacitors_SMD:C_0805 | C12, C13 |
| 2 | 20pF | Capacitors_SMD:C_0805 | C14, C15 |
| 2 | 36nH | Resistors_SMD:R_0805 | L4, L5 |
| 1 | 11nH | Resistors_SMD:R_0805 | L2 |
| 1 | 12pF | Capacitors_SMD:C_0805 | C8 |
| 1 | 150K | Resistors_SMD:R_0603 | R6 |
| 1 | 27nH | Resistors_SMD:R_0805 | L3 |
| 1 | 30MHz | Crystals:Crystal_SMD_HC49-SD | Y1 |
| 1 | 47uF | Capacitors_SMD:c_elec_5x5.3 | C5 |
| 1 | 5.1pF | Capacitors_SMD:C_0805 | C7 |
| 1 | 5.6pF | Capacitors_SMD:C_0805 | C10 |
| 1 | 6.8uH | inductor:BOURNES_SRN4018 | L1 |
| 1 | AFT05MS003N | TO_SOT_Packages_SMD:SOT89-3_Housing_Handsoldering | Q1 |
| 1 | BATT | Pin_Headers:Pin_Header_Straight_1x02 | P2 |
| 1 | MCP3021 | TO_SOT_Packages_SMD:SOT-23-5 | U1 |
| 1 | MCP73833 | Housings_DFN_QFN:DFN-10-1EP_3x3mm_Pitch0.5mm | U2 |
| 1 | MMG3H21NT1 | TO_SOT_Packages_SMD:SOT89-3_Housing_Handsoldering | U5 |
| 1 | POT | Potentiometers:Potentiometer_Bourns_3006W_Angular_ScrewFront | RV1 |
| 1 | PWR_VOL | rotary_potentiometer:rotary_potentiometer | SW1 |
| 1 | RPi_GPIO | RPi_Hat:Pin_Header_Straight_2x20 | J2 |
| 1 | SKY13374 | RFBRD:QFN_12_2mmx2mm_0.5PITCH | U6 |
| 1 | SMACONN | RF BW Filter:SMA_Edge_Mount | J1 |
| 1 | Si4464 | Housings_DFN_QFN:QFN-20-1EP_4x4mm_Pitch0.5mm | U4 |
| 1 | THERM | Pin_Headers:Pin_Header_Straight_1x02 | P3 |
| 1 | TPS61027 | Housings_DFN_QFN:DFN-10-1EP_3x3mm_Pitch0.5mm | U3 |
| 1 | USB_OTG | Connect:USB_Micro-B | P1 |
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Questions
How big is the RPi Hat PCB?
It measures 65 × 56 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RPi Hat use?
76 parts, built around the MCP3021A5-E, MMG3H21NT1, TPS61027DRC and MCP73833. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the RPi Hat KiCad files?
From the omc8db/DigitalVoice repository on GitHub, at the commit this page was made from: the board is hardware/PiHat_Final/RPi_Hat.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the RPi Hat design in my own project?
Its repository publishes it under the Apache-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).