4 layers127 × 101.6 mm
4 layers58.4 × 99.1 mm
Bridge Controller
tkeller12/openEPR1Open-Source EPR Spectrometer
- Size
- 58.4 × 99.1 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 125
- Nets
- 136
- Pads
- 460
- Tracks, vias
- 697, 164
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 23 Apr 2023
- Updated
- 27 Apr 2026
Overview
Bridge Controller is an open-source printed circuit board by tkeller12, from the tkeller12/openEPR repository on GitHub, published under the MIT licence. It is a 4-layer board of 58.4 × 99.1 mm with 125 parts on 136 nets, routed with 697 tracks and 164 vias.
It is built around the LMV358, ADS1118IDGS and FT232RQ, with the SMA-J-P-H-ST-EM1, 150080VS75000 and 150080SS75000 among its other parts. Its parts include 48 resistors, 35 capacitors, 11 connectors, 9 ICs and 6 diodes. It belongs with the interfaces and adapters boards of this library.
Main components
7
LMV358
SOP-8-40℃~+125℃ 10pA 10pA 1MHz 2 2.5V~5.5V 20mA 20nV/√Hz@10kHz 2uV/℃ 40uA 5mV 600V/ms 65dB EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOP-8 Operational Amplifier ROHSTECH PUBLICOperational Amplifier
ADS1118IDGS
VSSOP-10-0.5mm-40℃~+125℃ 150uA 16 1MHz 2 2.048V 2LSB 2V~5.5V 5ppm/℃ 860Hz 8Hz、16Hz、32Hz、64Hz、128Hz、250Hz、475Hz、860Hz Built-in Built-in Built-in SPI Sigma-Delta Support Yes VSSOP-10-0.5mm Analog to Digital Converters (ADC) ROHSTexas InstrumentsAnalog To Digital Converters (ADC)
FT232RQ
PQFN32USB to serial UART InterfaceFTDIUncategorised
SMA-J-P-H-ST-EM1
SMD-65℃~+125℃ 1 20GHz 335V 50Ω Board Side Inner pin Positive Pin SMA SMD Coaxial Connectors (RF) ROHSSamtecCoaxial Connectors (RF)
150080VS75000
0805-40℃~+85℃ 12mcd 140° 2.4V 20mA 570nm 572nm Discrete Diode Water Clear 0805 LED Indication - Discrete ROHSWürth ElektronikLED Indication - Discrete150080SS75000
0805-40℃~+85℃ 1.9V 140° 20mA 60mcd 630nm 645nm Discrete Diode Water Clear 0805 LED Indication - Discrete ROHSWürth ElektronikLED Indication - Discrete
SP0503BAHTG
SOT-143-55℃~+125℃ 10A@8/20us 14V 150W@8/20us 30pF、60pF 5.5V 6V 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
README
README.mdopenEPR
Open-Source EPR Spectrometer
Parts
125| Qty | Value | Footprint | References |
|---|---|---|---|
| 28 | 10k | Resistor_SMD:R_0603_1608Metric | R10, R11, R12, R14, R15, R16, R19, R22, R23, R24, R25, R26, R30, R31, R32, R33 +12 |
| 27 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C12, C13, C14, C15, C17, C18, C19, C20, C21, C22, C23, C25, C26, C27, C28 +11 |
| 10 | 1k | Resistor_SMD:R_0603_1608Metric | R1, R5, R6, R13, R17, R18, R34, R35, R39, R41 |
| 10 | 27 | Resistor_SMD:R_0603_1608Metric | R2, R3, R4, R7, R8, R20, R21, R27, R28, R29 |
| 8 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 |
| 5 | SMA-J-P-H-ST-EM1 | Connector_Coaxial:SMA_Samtec_SMA-J-P-X-ST-EM1_EdgeMount | J7, J8, J9, J10, J11 |
| 4 | 10nF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C5 |
| 4 | 150080VS75000 | LED_SMD:LED_0805_2012Metric | D1, D4, D5, D6 |
| 4 | 4-40 | B12T_MountingHole:4-40_Hole_Pad | H1, H2, H3, H4 |
| 3 | 47pF | Capacitor_SMD:C_0603_1608Metric | C10, C11, C24 |
| 3 | LMV358 | Package_SO:VSSOP-8_3.0x3.0mm_P0.65mm | U5, U6, U8 |
| 2 | Conn_02x08_standard_header_for_IO | Connector_IDC:IDC-Header_2x08_P2.54mm_Vertical | J2, J3 |
| 1 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A | C16 |
| 1 | 10uH | Inductor_SMD:L_0805_2012Metric | L1 |
| 1 | 150080SS75000 | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | 2057-RF2-19A-T-00-50-G-ND | Connector_Coaxial:SMA_Amphenol_132291_Vertical | J6 |
| 1 | AD9833xRM | Package_SO:MSOP-10_3x3mm_P0.5mm | U4 |
| 1 | ADS1118IDGS | Package_SO:VSSOP-10_3x3mm_P0.5mm | U9 |
| 1 | AVR-UPDI-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | AVR128DA64x-xPT | Package_QFP:TQFP-64_10x10mm_P0.5mm | U1 |
| 1 | DAC8532 | Package_SO:VSSOP-8_3.0x3.0mm_P0.65mm | U3 |
| 1 | FT232RQ | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm | U2 |
| 1 | MCP1501-25xCH | Package_TO_SOT_SMD:SOT-23-6 | U7 |
| 1 | PWM | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J4 |
| 1 | SP0503BAHTG | Package_TO_SOT_SMD:SOT-143 | D3 |
| 1 | SW_Push | Button_Switch_SMD:SW_SPST_B3SL-1002P | SW1 |
| 1 | USB_C_Receptacle_USB2.0_16P | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J5 |
| 1 | XO53 | Oscillator:Oscillator_SMD_EuroQuartz_XO53-4Pin_5.0x3.2mm | X1 |
The 124 most common of 125 parts.
Questions
How big is the Bridge Controller PCB?
It measures 58.4 × 99.1 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Bridge Controller use?
125 parts, built around the LMV358, ADS1118IDGS, FT232RQ and SMA-J-P-H-ST-EM1. 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 Bridge Controller KiCad files?
From the tkeller12/openEPR repository on GitHub, at the commit this page was made from: the board is Hardware/Bridge Controller/Bridge_Controller/Bridge_Controller.kicad_pcb and its schematic Hardware/10MHz Reference/10MHz Reference.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bridge Controller design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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