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Qcn3Sma

SatcomRadio·Hybrid_Couplers·Kicad/QCN3/QCN3_SMA/Qcn3Sma.kicad_pcb

Qcn3Sma PCB layout, top view — open source board by SatcomRadio
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About the Qcn3Sma PCB

Qcn3Sma is an open source PCB design by SatcomRadio, published on GitHub under the MIT license. It is a 2-layer board measuring 20 × 20 mm, with 5 components from 3 distinct parts.

Other key parts include the QCN3. By type, the board carries 2 resistors and 1 IC.

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

From the project

Hybrid coupler boards for circular polarization

This repo consists of different boards that use different devices to get circular polarized antennas.

All the PCB boards have a version that where you can use SMA connectors or soldered wires. If you want to use the SMA connector boards, you will need to buy:

You must connect them correctly! Each port has to be a "dipole". Depending on their orientation you will get RHCP or LHCP.

Qcn3Sma, from the project README
From the project README

Main components on the Qcn3Sma

QCN3

Qcn3Sma bill of materials (BOM)

5 components, 3 distinct parts.

QtyPartRefs
1
QCN3
U1
2
Conn_Coaxial_Small
0º, 90º
2
100
R1, R2

Qcn3Sma design files

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

Qcn3Sma: common questions

How big is the Qcn3Sma PCB?

The Qcn3Sma measures 20 × 20 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Qcn3Sma?

5 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Qcn3Sma design files?

From the SatcomRadio/Hybrid_Couplers repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Qcn3Sma design in my own project?

Yes, under the terms of its MIT license, which SatcomRadio chose for the repository.

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