

RelayControl
A Modular Antenna Tuner for a Phased Array Antenna System
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 180
- Nets
- 119
- Pads
- 552
- Tracks, vias
- 1,633, 0
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 23 Aug 2018
- Updated
- 4 Dec 2019
Overview
RelayControl is an open-source printed circuit board by profdc9, from the profdc9/ModularTuner repository on GitHub. It is a 2-layer board of 100 × 100 mm with 180 parts on 119 nets, routed with 1,633 tracks and 0 vias.
It is built around the ULN2803A and MCP23017-E/SS. Its parts include 114 capacitors, 36 inductors, 12 connectors, 6 ICs and 4 resistors. It belongs with the radio and wireless boards of this library.
Main components
2ULN2803A
SOP-18-300mil-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 500mA 50V 8 SOP-18-300mil Darlington Transistor Arrays ROHSUMWDarlington Transistor ArraysMCP23017-E/SS
SSOP-28(5.3x10.2x0.65)-40℃~+125℃ 1.7MHz 1.8V~5.5V 16 1uA 600mV 8 8mA I2C Interrupt Output Reset function、Cascading and address extension SSOP-28 I/O Expanders ROHSMicrochip TechnologyI/O Expanders
README
README.mdThis a project to create a Modular Antenna Tuner System that can be reconfigured for different needs. This material is copyrighted by Daniel Marks (KW4TI) and licensed under the Creative Commons License CC-BY-SA 4.0.
This project is a toolkit for making automatic antenna tuners and smart HF antennas.
A description and documentation of this project may be found in the "doc" directory as ModularTuner-Guide.pdf.
Parts
180| Qty | Value | Footprint | References |
|---|---|---|---|
| 104 | 10 nF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C1, C10, C100, C101, C102, C103, C104, C105, C106, C107, C108, C109, C110, C111, C112, C113 +88 |
| 36 | 100 uH | Inductors_THT:L_Axial_L5.3mm_D2.2mm_P7.62mm_Horizontal_Vishay_IM-1 | L1, L2, L10, L11, L12, L13, L14, L15, L16, L17, L18, L19, L20, L21, L22, L23 +20 |
| 8 | Conn_01x01 | Connectors:1pin | J4, J5, J6, J7, J9, J12, J13, J14 |
| 8 | Jumper_NC_Dual | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | JP1, JP2, JP3, JP4, JP5, JP6, JP7, JP8 |
| 6 | 100 nF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C13, C14, C53, C54, C55, C73 |
| 4 | 100 uF | Capacitors_THT:CP_Radial_D8.0mm_P5.00mm | C11, C12, C56, C57 |
| 4 | 10k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2, R3, R4 |
| 4 | ULN2803A | Housings_DIP:DIP-18_W7.62mm_Socket | U2, U3, U5, U6 |
| 2 | Conn_02x05_Odd_Even | Pin_Headers:Pin_Header_Straight_2x05_Pitch2.54mm | J1, J3 |
| 2 | Conn_02x16_Odd_Even | Pin_Headers:Pin_Header_Straight_2x16_Pitch2.54mm | J2, J8 |
| 2 | MCP23017 | Housings_DIP:DIP-28_W7.62mm_Socket | U1, U4 |
Questions
How big is the RelayControl PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RelayControl use?
180 parts, built around the ULN2803A and MCP23017-E/SS. 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 RelayControl KiCad files?
From the profdc9/ModularTuner repository on GitHub, at the commit this page was made from: the board is Tuner/RelayControl/RelayControl.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the RelayControl design in my own project?
Its repository states no licence, so its author keeps all rights: ask profdc9 before reusing the design.
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