Precision-Voltage-Reference

agaelema·Precision-Voltage-Reference·v02 - artigo/Ref_fixa_v02.kicad_pcb

Precision-Voltage-Reference PCB layout, top view — open source board by agaelema

About the Precision-Voltage-Reference PCB

Precision-Voltage-Reference is an open source PCB design by agaelema, published on GitHub under the MIT license. It is a 2-layer board measuring 84 × 69.5 mm, with 60 components from 28 distinct parts.

Other key parts include the LM358, LM317AT, LM337T, REF102BP and INA2133UA. By type, the board carries 21 resistors, 8 jumpers, 6 ICs, 6 capacitors and 1 diode.

It belongs with the test & measurement designs in this gallery.

From the project

A simple and efficient instrumentation project of a Precision Voltage Reference. The idea of this project appeared with my passion by the instrumentation and my need of some reference to calibrate my projects involving energy measurement.

A simple and efficient instrumentation project of a Precision Voltage Reference. The idea of this project appeared with my passion by the instrumentation and my need of some reference to calibrate my projects involving energy measurement.

Searching for similar projects I encountered some videos from the Youtube channel "Scullcom Hobby Electronics". This two videos was the kick for my project. - Video 1 - Video 2

Precision-Voltage-Reference, from the project README — From the project README

Main components on the Precision-Voltage-Reference

LM358 LM317AT LM337TREF102BPINA2133UA

Precision-Voltage-Reference bill of materials (BOM)

60 components, 28 distinct parts.

Qty	Part	Footprint	Refs
1	LM358	PDIP-8-3d-2.1-0.85mm	U1
1	LM317AT	TO-220-3d	U2
1	LM337T	TO-220-3d	U3
1	REF102BP	PDIP-8-3d-2.1-0.85mm	U4
2	INA2133UA	SOIC-14_N-0.75mm	U5, U6
5	CONN_01X01	PINTST-2.4-1.0mm	0.625V, 1.25V, 2.5V, 5V, 10V
4	1uF	C_Radial_D5_L6_P2.5-1.6mm	CF1, C_U4, C_U5, C_U6
3	10uF	C_Radial_D5_L6_P2.5-1.6mm	CF2, C_U2, C_U3
1	100nF	C_Disc_D3_P2.5-1.8-0.85mm	CF3
7	JUMPER	Pin_Header_Straight_1x02-2,1-1,2mm	JP1, JP2, JP3, JP4, JP5, JP6, JP7
1	JUMPER	Pin_Header_Straight_1x02	JP8
1	20k	Potentiometer-pinlinear-2.1-0.85mm	RV1
4	100k	Potentiometer-pinlinear-2.1-0.85mm	RV2, RV3, RV4, RV5
1	1N4148	Diode_DO-35_SOD27_Horizontal_RM10-2.1mm	D1
1	10uF	C_Radial_D5_L6_P2.5-1.6mm	C1
3	100nF	C_Disc_D3_P2.5-1.8-0.85mm	C2, C3, C4
1	1uF	C_Radial_D5_L6_P2.5-1.6mm	C5
1	100nF	C_Rect_L4_W2.5_P2.5	C6
1	10k	Resistor_Horizontal_RM10mm-2.3-0.85mm	R1
1	2k2	Resistor_Horizontal_RM10mm-2.3-0.85mm	R2

Show 8 more

Qty	Part	Footprint	Refs
1	100k	Resistor_Horizontal_RM10mm-2.3-0.85mm	R3
2	470	Resistor_Horizontal_RM10mm-2.3-0.85mm	R4, R6
1	3k9	Resistor_Horizontal_RM10mm-2.3-0.85mm	R5
1	100	Resistor_Horizontal_RM10mm-2.3-0.85mm	R7
1	1M	Resistor_Horizontal_RM10mm-2.3-0.85mm	R8
8	10	Resistor_Horizontal_RM10mm-2.3-0.85mm	R9, R10, R12, R13, R17, R18, R19, R20
4	1.2k	Resistor_Horizontal_RM10mm-2.3-0.85mm	R11, R14, R15, R16
1	22	Resistor_Horizontal_RM10mm-2.3-0.85mm	RF1

Precision-Voltage-Reference design files

The KiCad project lives in the agaelema/Precision-Voltage-Reference repository on GitHub; these links point at the commit this page was built from.

Layoutv02 - artigo/Ref_fixa_v02.kicad_pcb

Precision-Voltage-Reference: common questions

How big is the Precision-Voltage-Reference PCB?

The Precision-Voltage-Reference measures 84 × 69.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Precision-Voltage-Reference?

60 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the Precision-Voltage-Reference design files?

From the agaelema/Precision-Voltage-Reference repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Precision-Voltage-Reference design in my own project?

Yes, under the terms of its MIT license, which agaelema chose for the repository.

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