

Filter
A Modular Antenna Tuner for a Phased Array Antenna System
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 81
- Nets
- 52
- Pads
- 278
- Tracks, vias
- 405, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 23 Aug 2018
- Updated
- 4 Dec 2019
Overview
Filter 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 81 parts on 52 nets, routed with 405 tracks and 0 vias.
It is built around the MCP23008-E/P and ULN2803A. Its parts include 38 capacitors, 20 inductors, 9 connectors, 2 resistors and 2 ICs. It belongs with the radio and wireless boards of this library.
Main components
2MCP23008-E/P
PDIP-18-40℃~+125℃ 1.7MHz 1.8V~5.5V 1uA 600mV 8 8 8.5mA I2C Interrupt Output Reset function、Cascade and address expansion PDIP-18 I/O Expanders ROHSMicrochip TechnologyI/O ExpandersULN2803A
SOP-18-300mil-40℃~+85℃ 0.93mA 100uA 15pF 20uA 30V 500mA 50V 8 SOP-18-300mil Darlington Transistor Arrays ROHSUMWDarlington Transistor Arrays
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
81| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | C_Small | FilterD:C_Disc_SMD | C1, C2, C3, C4, C5, C6, C7, C10, C11, C12, C13, C14, C15, C16, C17, C18 +2 |
| 12 | L_Small | Inductors_THT:L_Toroid_Vertical_L13.0mm_W6.5mm_P5.60mm | L1, L2, L3, L4, L5, L6, L7, L8, L9, L10, L11, L12 |
| 8 | 100 uH | Inductors_THT:L_Axial_L5.3mm_D2.2mm_P7.62mm_Horizontal_Vishay_IM-1 | L13, L14, L15, L16, L17, L18, L19, L20 |
| 6 | 100 nF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C19, C20, C21, C22, C37, C38 |
| 6 | C | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C27, C28, C29, C30, C31, C32 |
| 6 | DPDTRelay | FilterD:G2VRelay | RLY1, RLY2, RLY3, RLY4, RLY5, RLY6 |
| 4 | 10 nF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C24, C33, C34, C35 |
| 4 | Conn_01x01 | Connectors:1pin | J6, J7, J8, J9 |
| 4 | Jumper_NC_Dual | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | JP1, JP2, JP3, JP4 |
| 2 | 2.2k | Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
| 2 | C_Small | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C25, C26 |
| 2 | Conn_01x02 | Connectors_Terminal_Blocks:TerminalBlock_bornier-2_P5.08mm | J2, J5 |
| 2 | Conn_Coaxial | w_conn_rf:bnc_90_1-1337543-0 | J1, J3 |
| 1 | 10 nF | Capacitors_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C36 |
| 1 | 100 uF | Capacitors_THT:CP_Radial_D6.3mm_P2.50mm | C23 |
| 1 | Conn_02x05_Odd_Even | Pin_Headers:Pin_Header_Straight_2x05_Pitch2.54mm | J4 |
| 1 | MCP23008 | Housings_DIP:DIP-18_W7.62mm_Socket | U1 |
| 1 | ULN2803A | Housings_DIP:DIP-18_W7.62mm_Socket | U3 |
Questions
How big is the Filter PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Filter use?
81 parts, built around the MCP23008-E/P and ULN2803A. 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 Filter KiCad files?
From the profdc9/ModularTuner repository on GitHub, at the commit this page was made from: the board is Tuner/Filter/Filter.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Filter 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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