4 layers90.2 × 95.9 mm
PowerDistribution
UChicago-Space-Program/pulse-hardware
This is the central repository for documents related to PULSE-A hardware development.
188 parts1
2 layers
This is the central repository for documents related to PULSE-A hardware development.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 59
- Pads
- 87
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 7 Sep 2023
- Updated
- 5 Nov 2026
Overview
Graydon is an open-source printed circuit board by UChicago-Space-Program, from the UChicago-Space-Program/pulse-hardware repository on GitHub. It is a 2-layer board with 34 parts on 59 nets.
It is built around the LM358, BAT54A and FZT655TA, with the SPB1005-R22M among its other parts. Its parts include 17 resistors, 7 capacitors, 3 ICs, 3 connectors and 1 diode.
Main components
4
LM358
SOP-8-18V~18V 0℃~+70℃ 1.2MHz 10nA 2 24mA 3V~36V 500uA 50nA 5mV 80dB Built-in compensation SOP-8 Operational Amplifier ROHSMSKSEMIOperational Amplifier
BAT54A
SOT-231 Pair Common Anode 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSNexperiaSchottky Diodes
FZT655TA
SOT-223-55℃~+150℃ 1 NPN 100nA 150V 1A 30MHz 3W 50 500mV 7V NPN SOT-223 Bipolar (BJT) ROHSDiodes IncorporatedBipolar (BJT)SPB1005-R22M
SMD,10.2x7mm0.35mΩ 220nH 33A 53A ±20% SMD,10.2x7mm Power Inductors ROHSBournsPower Inductors
README
logos-templates-tools/PC104Layout/README.mdTemplate for PC104 to use for the boards. Keep in mind that the four holes on the board are througholes and it is important that all of the boards have the same distance for their throughole parts.
We should also adhere to having 2.54mm headers that are spaced at a certain (non-disclosed) distance from any holes
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | R | Resistor_SMD:R_0805_2012Metric | R3, R6, R7, R8, R9, R10, R11, R13, R14 |
| 6 | 10 | Resistor_SMD:R_0805_2012Metric | R1, R4, R5, R12, R15, R16 |
| 6 | C | Capacitor_SMD:C_0805_2012Metric | C1, C3, C4, C5, C6, C7 |
| 3 | Conn_01x02 | TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type073_RT02602HBLU_1x02_P5.08mm_Horizontal | J1, J2, J3 |
| 1 | 10 | Resistor_SMD:R_2512_6332Metric | R18 |
| 1 | 10k | Potentiometer_THT:Potentiometer_Bourns_3296Z_Horizontal | RV1 |
| 1 | 47 | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | BAT54A | Package_TO_SOT_SMD:SOT-23 | D1 |
| 1 | FZT655 | Package_TO_SOT_SMD:SOT-223 | Q1 |
| 1 | INA193 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | LM337L_SO8 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | LM358 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | SPB1005-R22M | Driver:SPB1005-R22M | L1 |
| 1 | TPSB336 | Capacitor_SMD:C_1210_3225Metric | C2 |
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Questions
What parts does the Graydon use?
34 parts, built around the LM358, BAT54A, FZT655TA and SPB1005-R22M. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Graydon KiCad files?
From the UChicago-Space-Program/pulse-hardware repository on GitHub, at the commit this page was made from: the board is flight-subsystem-designs/payload/LaserDriver/Graydon/Untitled.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Graydon design in my own project?
Its repository states no licence, so its author keeps all rights: ask UChicago-Space-Program before reusing the design.