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64-channel Shim Amplifier: Backplane

stockmann-lab·shim_amp_hardware_linear·pcbs/backplane/backplane.kicad_pcb

64-channel Shim Amplifier: Backplane PCB layout, top view — open source board by stockmann-lab

About the 64-channel Shim Amplifier: Backplane PCB

64-channel Shim Amplifier: Backplane is an open source PCB design by stockmann-lab, published on GitHub. It is a 6-layer board measuring 145 × 355 mm, with 413 components from 56 distinct parts.

Other key parts include the SN74LVC1G14DBVR, FIN1027AMX, PCA9544APW,118, 74HC151PW,118 and FIN1019MTCX. By type, the board carries 126 capacitors, 120 resistors, 63 ICs, 48 connectors, 18 test points and 18 diodes.

It belongs with the audio designs in this gallery.

From the project

Hardware related to open-source shim amplifier development for MRI research

This repo contains files related to the MGH "Revision D" linear amplifier development (and associated projects). The shim amplifiers are designed to drive stable currents (up to 4A/channel or more if channels are ganged together in parallel) in shim coils and other inductive loads used for MRI research experiments. The amplifiers are designed to operate inside the MRI shielded room without causing image degradation due to RF interference.

Main components on the 64-channel Shim Amplifier: Backplane

SN74LVC1G14DBVRFIN1027AMXPCA9544APW,11874HC151PW,118FIN1019MTCX74LVC2T45DC,125TLC556IDRAFBR-5972ZSN74LVC2G02DCTR15081800/04LMV331W5-7501MLFTFIN1048MTCX

64-channel Shim Amplifier: Backplane bill of materials (BOM)

413 components, 56 distinct parts.

QtyPartRefs
11
SN74LVC1G14DBVR
74LVC1G14
Texas Instruments
U1, U12, U14, U17, U19, U21, U23, U25 +3
24
FIN1027AMX
FIN1027
ON Semiconductor
U2, U3, U50, U51, U52, U53, U54, U55 +16
2
PCA9544APW,118
PCA9544APW
Nexperia
U4, U5
1
74HC151PW,118
74HC151
Nexperia
U6
1
FIN1019MTCX
FIN1019MTC
ON Semi
U7
2
74LVC2T45DC,125
74LVC2T45
Nexperia
U8, U10
2
TLC556IDR
TLC556
Texas Instruments
U9, U31
1
AFBR-5972Z
Broadcom/Avago
U11
8
SN74LVC2G02DCTR
74LVC2G02
Texas Instruments
U13, U15, U16, U18, U20, U22, U24, U26
1
15081800/04
Snickerdoodle
krtkl
U28
1
LMV331W5-7
LMV331
Diodes Inc.
U32
1
501MLFT
ICS501
Renesas
U34
8
FIN1048MTCX
FIN1048
ON Semiconductor
U72, U73, U74, U75, U76, U77, U78, U79
10
MMBT3904-7-F
MMBT3904
Diodes Inc.
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +2
1
D44H11G
ON Semi
Q9
2
MMBT3906-7-F
MMBT3906
Diodes Inc.
Q10, Q11
1
Conn_01x02
J1
1
TFM-115-01-S-D-WT
Conn_02x15_Odd_Even
Samtec
J2
1
TFM-120-01-S-D-WT
Conn_02x20_Odd_Even
Samtec
J3
24
RJE061881120
RJ45_Shielded
Amphenol ICC
J4, J6, J7, J13, J15, J16, J18, J20 +16
Show 36 more
QtyPartRefs
4
AFBR-2624Z
Broadcom/Avago
J5, J9, J10, J11
8
1792229
Conn_01x02
Phoenix Contact
J8, J17, J22, J27, J32, J37, J42, J47
1
AFBR-1624Z
Broadcom/Avago
J12
8
1190363
Conn_01x02
Phoenix Contact
J14, J19, J24, J29, J34, J39, J44, J48
1
TBD
F1
5
TFM-120-01-S-D-WT
Conn_02x20_Odd_Even
Samtec
JA1, JA2, JB1, JB2, JC1
18
5019
TestPoint_Flag
Keystone
TP1, TP2, TP3, TP4, TP5, TP6, TP8, TP9 +10
1
PMEG6010CEH,115
PMEG6010
Nexperia
D1
2
LTST-C171KGKT
Green
Lite-On
D2, D3
10
LTST-C170KRKT
Red
Lite-On
D4, D6, D7, D8, D9, D10, D11, D12 +2
4
LTST-C170KSKT
Yellow
Lite-On
D13, D16, D18, D23
1
UDZVTE-1716B
16V
Rohm Semiconductor
D17
1
2929SQ-501JEC
500nH
Coilcraft
L1
54
C0603C104K5RACTU
100nF 50V X7R
Kemet
C1, C2, C3, C10, C20, C22, C23, C24 +46
1
865080545012
100uF 35V alum.
Würth
C4
32
C0603C105K4RACTU
1uF 16V X7R
Kemet
C5, C6, C7, C8, C9, C11, C12, C13 +24
20
C0805C105K3RACTU
1uF 50V X7R
Kemet
C16, C17, C18, C19, C21, C25, C27, C31 +12
3
C0805C106K9RACTU
10uF 6.3V X7R
Kemet
C29, C30, C121
16
W3A45A220KAT2A
22pF 50V NP0
Kyocera/AVX
C104, C105, C106, C107, C108, C109, C110, C111 +8
7
RK73H2ATTD1R00F
1
KOA Speer
R3, R4, R10, R11, R12, R48, R77
2
RK73H2BTTD1R00F
1
KOA Speer
R6, R7
2
RK73H2ATTD1502F
15K
KOA Speer
R8, R54
22
RK73H2ATTD1001F
1K
KOA Speer
R9, R16, R20, R21, R24, R25, R28, R29 +14
23
RK73H2ATTD2002F
20K
KOA Speer
R13, R19, R23, R27, R31, R35, R39, R43 +15
2
RK73H2ATTD4701F
4.7K
KOA Speer
R14, R15
14
RK73H2ATTD3301F
3.3K
KOA Speer
R17, R22, R26, R30, R34, R38, R42, R46 +6
1
RK73H2HTTE1R00F
1 0.25W
KOA Speer
R18
4
RK73H2ATTD4704F
4.7M
KOA Speer
R47, R59, R60, R89
2
RK73H2ATTD1500F
150
KOA Speer
R49, R51
1
RK73H2ATTD1000F
100
KOA Speer
R52
1
RK73H2ATTD10R0F
10
KOA Speer
R53
3
RK73H2ATTD1002F
10K
KOA Speer
R55, R56, R57
1
RK73Z2ATTD
0
KOA Speer
R73
1
RK73H2ATTD56R0F
56
KOA Speer
R75
2
745C101472JP
4.7K
CTS
RN1, RN2
32
742C083101JP
100 5%
CTS
RN4, RN5, RN6, RN7, RN8, RN9, RN10, RN11 +24

64-channel Shim Amplifier: Backplane design files

The KiCad project lives in the stockmann-lab/shim_amp_hardware_linear repository on GitHub; these links point at the commit this page was built from.

64-channel Shim Amplifier: Backplane: common questions

How big is the 64-channel Shim Amplifier: Backplane PCB?

The 64-channel Shim Amplifier: Backplane measures 145 × 355 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the 64-channel Shim Amplifier: Backplane?

413 components, from 56 distinct parts. The full bill of materials is listed on this page.

Where can I download the 64-channel Shim Amplifier: Backplane design files?

From the stockmann-lab/shim_amp_hardware_linear repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the 64-channel Shim Amplifier: Backplane design in my own project?

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

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