HardLabs

A3

msayad97·Amplifier·KiCad/Projects/A3/A3.kicad_pcb

A3 PCB layout, top view — open source board by msayad97

About the A3 PCB

A3 is an open source PCB design by msayad97, published on GitHub. It is a 2-layer board measuring 149.9 × 155.6 mm, with 192 components from 62 distinct parts.

Other key parts include the AD8017ARZ, EL2125CSZ, MC74HC02ADR2G and SN74AHCT132D. By type, the board carries 56 resistors, 54 capacitors, 9 transistors, 9 diodes, 6 connectors and 5 ICs.

It belongs with the audio designs in this gallery.

Main components on the A3

AD8017ARZEL2125CSZMC74HC02ADR2GSN74AHCT132D

A3 bill of materials (BOM)

192 components, 62 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AD8017ARZ
ANALOG DEVICES
U1
1
EL2125CSZ
AD8021AR
RENESAS
U2
1
MC74HC02ADR2G
BLF188XRU
ONSEMI
U3
1
SN74AHCT132D
AD8033
TEXAS INSTRUMENTS
U4
1
MC74HC02ADR2G
LT3014xS5
ONSEMI
U5
5
BD139
STMICROELECTRONICS
Q1, Q4, Q6, Q7, Q8
1
IXTH90P10P
IXYS
Q2
1
BSC340N08NS3G
Q5A1
2
BD140
STMICROELECTRONICS
Q9, Q10
1
7460307
Input
WURTH ELEKTRONIK
J1
1
132134
Enable
AMPHENOL RF
J2
1
7460307
Vp_8V
WURTH ELEKTRONIK
J3
1
132134
Vn_-5V
AMPHENOL RF
J4
1
R141426161
Output
RADIALL
J5
1
Input_56V
J6
4
10n
CT8, CT11, CT15, CT16
4
100n
CT12, CT13, CT17, CT18
2
1u
CT14, CT19
2
100u/63
CT20, CT21
8
120p
CT22, CT23, CT24, CT25, CT26, CT27, CT28, CT29
Show 42 more
QtyPartRefs
10
10n
CT30, CT31, CT32, CT33, CT34, CT35, CT36, CT37 +2
1
470u/63
CT40
1
100n
CT42
2
1uF
CU1, CU2
1
~
K1
1
BD139
QR1
2
R_Potentiometer
RP1, RP2
1
1K
RR1
1
25.2k
RU1
1
1.35k
RU2
1
10k
RV1
1
2k
RV2
4
THICKPINSMD2,5X4
T1P3, T1P4, T1S3, T1S4
1
~
TR2
1
~
TR3
1
BALUN
TR4
2
BAT54XV2T1G
BAT54XV2T5G
ONSEMI
D1, D8
6
BAV99WT1G
NEXPERIA
D2, D4, D5, D6, D7, D9
1
ES1C
D
ONSEMI
D3
2
BLM21PG300SN1D
FerriteBead
MURATA
FB1, FB2
1
>100uH
L1
29
GCM21BR72A104KA37L
0.1uF
MURATA
C1, C2, C3, C4, C5, C6, C7, C8 +21
4
VJ1111D471JXLAJ
470p
VISHAY
C16, C17, C143, C144
3
08052C102KAT2A
1nF
KYOCERA AVX
C18, C19, C20
2
08052C102KAT2A
DNA
KYOCERA AVX
C21, C22
12
12103C106KAT2A
10uF
KYOCERA AVX
C26, C29, C37, C40, C45, C46, C47, C48 +4
1
GRM2195C1H472JA01D
4n7
MURATA
C34
2
0805N100D500CT
10p
WALSIN
C42, C141
1
08052C102KAT2A
NDA
KYOCERA AVX
C142
4
MCWR08X4701FTL
4k7
MULTICOMP PRO
R1, R15, R18, R25
1
ERJ14YJ331U
330R
PANASONIC
R2
10
35222R2JT
2R2
CGS - TE CONNECTIVITY
R3, R4, R5, R6, R7, R8, R9, R10 +2
3
MCWR08X1200FTL
120R
MULTICOMP PRO
R13, R14, R17
1
WCR1206-120RFI
120R
Welwyn Components / TT Electronics
R19
3
ERJ14YJ221U
220R
PANASONIC
R22, R58, R59
9
MCSR08W2R20FTL
2R2
MULTICOMP PRO
R23, R31, R32, R33, R36, R50, R52, R55 +1
2
ROX3SJ270R
270R
NEOHM - TE CONNECTIVITY
R24, R26
4
MCSR08X4700FTL
470R
MULTICOMP PRO
R27, R28, R51, R57
8
MCSR08X39R0FTL
39R
MULTICOMP PRO
R29, R30, R34, R37, R40, R41, R43, R44
3
MCWR12X2200FTL
220R
MULTICOMP PRO
R35, R42, R47
4
MCWR08X1002FTL
10k
MULTICOMP PRO
R38, R39, R53, R54
4
MCWR12X1000FTL
100R
MULTICOMP PRO
R45, R46, R48, R49

A3 design files

The KiCad project lives in the msayad97/Amplifier repository on GitHub; these links point at the commit this page was built from.

A3: common questions

How big is the A3 PCB?

The A3 measures 149.9 × 155.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the A3?

192 components, from 62 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 A3 design files?

From the msayad97/Amplifier 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 A3 design in my own project?

The repository has no license, so all rights stay with msayad97. Use it as a reference, and ask the author before reusing the design.

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