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Filter

profdc9·ModularTuner·Tuner/Filter/Filter.kicad_pcb

Filter PCB layout, top view — open source board by profdc9
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About the Filter PCB

Filter is an open source PCB design by profdc9, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 81 components from 18 distinct parts.

Other key parts include the MCP23008 and ULN2803A. By type, the board carries 38 capacitors, 20 inductors, 9 connectors, 4 jumpers, 2 ICs and 2 resistors.

It belongs with the rf & radio designs in this gallery.

From the project

A Modular Antenna Tuner for a Phased Array Antenna System

This 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.

Main components on the Filter

MCP23008ULN2803A

Filter bill of materials (BOM)

81 components, 18 distinct parts.

QtyPartRefs
1
MCP23008
U1
1
ULN2803A
U3
2
Conn_Coaxial
J1, J3
2
Conn_01x02
J2, J5
1
Conn_02x05_Odd_Even
J4
4
Conn_01x01
J6, J7, J8, J9
4
Jumper_NC_Dual
JP1, JP2, JP3, JP4
6
DPDTRelay
RLY1, RLY2, RLY3, RLY4, RLY5, RLY6
12
L_Small
L1, L2, L3, L4, L5, L6, L7, L8 +4
8
100 uH
L13, L14, L15, L16, L17, L18, L19, L20
18
C_Small
C1, C2, C3, C4, C5, C6, C7, C8 +10
6
100 nF
C19, C20, C21, C22, C37, C38
1
100 uF
C23
4
10 nF
C24, C33, C34, C35
2
C_Small
C25, C26
6
C
C27, C28, C29, C30, C31, C32
1
10 nF
C36
2
2.2k
R1, R2

Filter design files

The KiCad project lives in the profdc9/ModularTuner repository on GitHub; these links point at the commit this page was built from.

Filter: common questions

How big is the Filter PCB?

The Filter measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Filter?

81 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the Filter design files?

From the profdc9/ModularTuner repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Filter design in my own project?

The repository has no license, so all rights stay with profdc9. Use it as a reference, and ask the author before reusing the design.

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