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QSE-Filter

Greg-R·QSE-Filter

QSE-Filter PCB layout, top view — open source board by Greg-R

About the QSE-Filter PCB

QSE-Filter is an open source PCB design by Greg-R, published on GitHub. It is a 2-layer board measuring 76.5 × 78.1 mm, with 69 components from 22 distinct parts.

Other key parts include the MASWSS0179, 4002 and 74LVC1G04. By type, the board carries 35 capacitors, 21 ICs, 10 inductors and 3 connectors.

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

From the project

This is the PCB for the QSE-Filter module for the T41 "Software Defined Transceiver". The PCB was designed using the open-source design tool Kicad 8.

This is the PCB for the QSE-Filter module for the T41 "Software Defined Transceiver". The PCB was designed using the open-source design tool Kicad 8.

The primary documentation for the T41 is the book "Digital Signal Processing and Software Defined Radio: Theory and Construction of the T41-EP Software Defined Transceiver" by Albert Peter and Jack Purdum. The book is available here:

QSE-Filter, from the project README
From the project README

Main components on the QSE-Filter

MASWSS0179400274LVC1G04

QSE-Filter bill of materials (BOM)

69 components, 22 distinct parts.

QtyPartRefs
10
MASWSS0179
U1, U2, U3, U4, U5, U6, U7, U8 +2
1
4002
U12
10
74LVC1G04
U13, U14, U15, U16, U17, U18, U19, U20 +2
2
5-1814832-1
TE Connectivity AMP Connectors
J1, J2
1
Conn_02x05_Odd_Even
J4
2
0.12uH
L1, L6
2
0.16uH
L2, L7
2
0.28uH
L3, L8
2
0.55uH
L4, L9
2
1.0uH
L5, L10
15
0.01u
C1, C2, C3, C4, C5, C21, C22, C23 +7
2
270pF
C6, C16
2
390pF
C7, C17
2
510pF
C8, C18
2
1100pF
C9, C19
2
2000pF
C10, C20
1
750pF
C11
1
1200pF
C12
1
1300pF
C13
1
2700pF
C14
Show 2 more
QtyPartRefs
1
4700pF
C15
5
0.1u
C31, C32, C33, C34, C36

QSE-Filter design files

The KiCad project lives in the Greg-R/QSE-Filter repository on GitHub; these links point at the commit this page was built from.

QSE-Filter: common questions

How big is the QSE-Filter PCB?

The QSE-Filter measures 76.5 × 78.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the QSE-Filter?

69 components, from 22 distinct parts. The full bill of materials is listed on this page.

Where can I download the QSE-Filter design files?

From the Greg-R/QSE-Filter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the QSE-Filter design in my own project?

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

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