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T41-exciter filter board

DRWJSCHMIDT·T41·T41_V012_Files/T41_V012_PCBs/T41_V012_PCBs_KiCad/Old FIles/T41-BPF-filter-board-V12.6/T41-exciter-filter-board.kicad_pcb

T41-exciter filter board layout, top view — open source board by DRWJSCHMIDT

About the T41-exciter filter board

T41-exciter filter board is an open source PCB design by DRWJSCHMIDT, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 210 components from 64 distinct parts.

Other key parts include the MASWS0179, 74LVC1G04GW, LM1117-3.3 and MCP23017-E/SO. By type, the board carries 111 capacitors, 47 inductors, 34 ICs, 8 resistors, 6 connectors and 4 diodes.

From the project

This is the repository for the officially released V10, V11, and V12 versions of the T41 Software Defined Transceiver hardware and kits. Please read the areas below to understand this project, order boards, make your own boards, find build part lists (BOMs), order kits, and docum

This is the repository for the officially released V10, V11, and V12 versions of the T41 Software Defined Transceiver hardware and kits. Please read the areas below to understand this project, order boards, make your own boards, find build part lists (BOMs), order kits, and documentation that supports the T41 project.

Main components on the T41-exciter filter board

MASWS017974LVC1G04GWLM1117-3.3MCP23017-E/SO

T41-exciter filter board bill of materials (BOM)

210 components, 64 distinct parts — part numbers from the project's BOM.

QtyPartRefs
21
MASWS0179
MASWSS0179
U1, U3, U4, U6, U7, U9, U10, U12 +13
11
74LVC1G04GW
SN74LVC1G04DCK
U2, U5, U8, U11, U14, U17, U20, U23 +3
1
LM1117-3.3
LM1117T-3.3
U22
1
MCP23017-E/SO
MCP23017_SO
U35
1
TO PA
J1
1
FROM EXCITE
J2
1
12-13.8V
J3
1
Bands
J4
1
TO RECEIVE
J5
1
FROM LPF
J6
4
BAS70H,115
D1, D2, D3, D4
1
10uH 20%
L1
1
FB
L2
2
2 uH
L91, L95
2
11 uH
L92, L94
3
1 uH
L93, L101, L105
2
5.6 uH
L102, L104
3
560 nH
L103, L201, L205
2
840 nH
L191, L195
2
5.2 uH
L192, L194
Show 44 more
QtyPartRefs
1
400 nH
L193
2
3.9 uH
L202, L204
1
330 nH
L203
2
245 nH
L291, L295
2
3.6 uH
L292, L294
1
132 nH
L293
2
220 nH
L301, L305
2
2.2 uH
L302, L304
3
120 nH
L303, L501, L505
2
150 nH
L401, L405
2
1.2 uH
L402, L404
2
82 nH
L403, L503
2
820 nH
L502, L504
2
39 nH
L601, L605
2
720 nH
L602, L604
1
24 nH
L603
2
470uF 25V
C1, C3
64
0.1uF 50V
C2, C4, C5, C6, C7, C8, C9, C10 +56
2
3.1 nF
C92, C96
2
580 pF
C93, C95
1
5.7 nF
C94
2
1.8 nF
C102, C106
4
300 pF
C103, C105, C502, C506
1
3 nF
C104
4
1.2 nF
C192, C196, C202, C206
2
195 pF
C193, C195
1
2.5 nF
C194
2
180 pF
C203, C205
1
2 nF
C204
2
1.0 nF
C292, C296
2
68 pF
C293, C295
1
1.9 nF
C294
2
750 pF
C302, C306
2
75 pF
C303, C305
1
1.3 nF
C304
2
390 pF
C402, C406
2
51 pF
C403, C405
1
680 pF
C404
2
43 pF
C503, C505
1
510 pF
C504
2
240 pF
C602, C606
2
13 pF
C603, C605
1
380 pF
C604
8
2k2
R1, R2, R3, R4, R5, R6, R7, R8

T41-exciter filter board design files

The KiCad project lives in the DRWJSCHMIDT/T41 repository on GitHub; these links point at the commit this page was built from.

T41-exciter filter board: common questions

How big is the T41-exciter filter board?

The T41-exciter filter board measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the T41-exciter filter board?

210 components, from 64 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the T41-exciter filter board design files?

From the DRWJSCHMIDT/T41 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the T41-exciter filter board design in my own project?

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

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