4 layers70 × 27.5 mm
4 layers30 × 20 mm
Tiny pa
westonb/tiny-radar23A simple USB powered FMCW radar system
- Size
- 30 × 20 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 6
- Pads
- 57
- Tracks, vias
- 255, 156
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 20 Feb 2017
- Updated
- 27 Sep 2017
Overview
Tiny pa is an open-source printed circuit board by westonb, from the westonb/tiny-radar repository on GitHub. It is a 4-layer board of 30 × 20 mm with 14 parts on 6 nets, routed with 255 tracks and 156 vias.
Its parts include 8 capacitors, 3 connectors, 2 resistors and 1 IC.
README
README.mdtiny-radar
A usb connected 2.4GHz frequency modulated continuous wave radar with separate power splitter and phase shifter board for beam steering.
Hardware
STM32 based for DAC control of VCO and ADC for received samples. DC coupled RX signal path.
Firmware
Continuous data acquisition and transmission over USB serial via 12B/16B encoding using only printable ASCII characters
Host Software
In progress. matplotlib / Python 2.7
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.1u | Capacitors_SMD:C_0402 | C102, C105, C107 |
| 3 | 10n | Capacitors_SMD:C_0402 | C103, C106, C108 |
| 2 | 2.2u | Capacitors_SMD:C_0805 | C101, C104 |
| 2 | CONN_01X02 | wbraun_smd:SMA-Edge-China-Short | J101, J102 |
| 2 | R | Resistors_SMD:R_0805 | R101, R102 |
| 1 | ALM-31222 | wbraun_smd:22-MCOB | U101 |
| 1 | CONN_01X02 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J103 |
Questions
How big is the Tiny pa PCB?
It measures 30 × 20 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Tiny pa use?
14 parts. 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 Tiny pa KiCad files?
From the westonb/tiny-radar repository on GitHub, at the commit this page was made from: the board is external-pa/tiny-pa.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tiny pa design in my own project?
Its repository states no licence, so its author keeps all rights: ask westonb before reusing the design.
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