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4 layers157 × 150 mmQCM driver, the printed circuit board in 3D
Size
157 × 150 mm
Copper layers
4
Thickness
1.6 mm
Parts
244
Nets
150
Pads
619
Tracks, vias
874, 322
Pours
7
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
2 May 2025
Updated
24 Dec 2025

Overview

QCM driver is an open-source printed circuit board by Flint2082, from the Flint2082/QCM_temp_comp repository on GitHub. It is a 4-layer board of 157 × 150 mm with 244 parts on 150 nets, routed with 874 tracks and 322 vias.

It is built around the AD835ARZ, OPA656U and BC817-25, with the SM6T6V8A among its other parts. Its parts include 107 resistors, 79 capacitors, 13 ICs, 8 diodes and 6 connectors.

Main components

4

README

README.md

QCM_temp_comp

Parts

244
QtyValueFootprintReferences
28100nCapacitor_SMD:C_1206_3216MetricC12, C13, C16, C17, C18, C19, C27, C34, C40, C52, C58, C59, C61, C62, C64, C65 +12
2210Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR36, R37, R38, R39, R82, R83, R88, R89, R100, R101, R102, R103, R104, R105, R106, R107 +6
200Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, R46, R53, R54, R61 +4
121.2kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR49, R50, R51, R57, R58, R59, R65, R66, R67, R78, R79, R80
12100kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR42, R44, R45, R52, R60, R68, R71, R73, R74, R81, R87, R95
1210pCapacitor_SMD:C_1206_3216MetricC29, C30, C31, C35, C36, C37, C41, C42, C43, C54, C55, C56
101kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR1, R2, R18, R19, R84, R85, R86, R92, R93, R94
910kPotentiometer_THT:Potentiometer_Bourns_3296Y_VerticalRV1, RV2, RV3, RV4, RV5, RV8, RV10, RV12, RV13
8220Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR12, R13, R14, R15, R55, R56, R63, R64
868nCapacitor_SMD:C_1206_3216MetricC24, C28, C32, C38, C44, C49, C53, C57
7OPA656UPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU1, U2, U3, U6, U7, U9, U11
610kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR40, R41, R43, R69, R70, R72
533Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR3, R6, R7, R10, R11
539pCapacitor_SMD:C_1206_3216MetricC4, C25, C26, C50, C51
4100Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR16, R17, R22, R23
41mInductor_SMD:L_12x12mm_H8mmL1, L2, L4, L5
4AD835ARZPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU4, U5, U8, U10
4DNPCapacitor_SMD:C_1206_3216MetricC10, C11, C23, C48
4LEDLED_THT:LED_D5.0mm_ClearD3, D4, D5, D6
4MountingHole_PadMountingHole:MountingHole_3.2mm_M3_DIN965_Pad_TopBottomH1, H2, H3, H4
3100pCapacitor_SMD:C_1206_3216MetricC3, C21, C46
312plib:Trimmer Cap 6mmC5, C22, C47
3Conn_Coaxiallib:SAMTEC_BNC5-J-P-GN-RA-BH2DJ1, J5, J6
3Conn_Coaxiallib:S16N-PCJ2, J3, J4
2100kPotentiometer_THT:Potentiometer_Bourns_3296Y_VerticalRV9, RV11
210nCapacitor_SMD:C_1206_3216MetricC6, C7
210uCapacitor_SMD:CP_Elec_8x11.9C8, C9
210uCapacitor_SMD:C_1210_3225MetricC63, C69
21AFuse:Fuse_2920_7451Metric_Pad2.10x5.45mm_HandSolderF1, F2
21MResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR20, R21
21nCapacitor_SMD:C_1206_3216MetricC33, C39
21uCapacitor_SMD:C_1210_3225MetricC14, C15
220plib:Trimmer Cap 6mmC20, C45
2390kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR4, R5
24.7kResistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR48, R77
2470Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolderR47, R76
247pCapacitor_SMD:C_1206_3216MetricC1, C2
2480uInductor_SMD:L_12x12mm_H8mmL3, L6
256pCapacitor_SMD:C_1206_3216MetricC60, C66
274HC7046Package_SO:SOIC-16_3.9x9.9mm_P1.27mmIC1, IC2
2BB813Package_TO_SOT_SMD:SOT-23D7, D8
2BC817-25Package_TO_SOT_SMD:SOT-23Q1, Q2
2FerriteBeadCapacitor_SMD:C_2220_5750Metric_Pad1.97x5.40mm_HandSolderFB1, FB2
2R_Potentiometerlib:TRIM_3590S-2-103LRV6, RV7
2SM6T6V8ADiode_SMD:D_2114_3652Metric_Pad1.85x3.75mm_HandSolderD1, D2
2TestPoint_SmallTestPoint:TestPoint_Pad_2.0x2.0mmTP1, TP2

Questions

How big is the QCM driver PCB?

It measures 157 × 150 mm and has 4 copper layers, 1.6 mm thick.

What parts does the QCM driver use?

244 parts, built around the AD835ARZ, OPA656U, BC817-25 and SM6T6V8A. 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 QCM driver KiCad files?

From the Flint2082/QCM_temp_comp repository on GitHub, at the commit this page was made from: the board is QCM_driver_hardware V1.1/QCM_driver.kicad_pcb and its schematic QCM_driver_hardware V1.0/Decoupling.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the QCM driver design in my own project?

Its repository states no licence, so its author keeps all rights: ask Flint2082 before reusing the design.

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