2 layers65 × 67 mm
2 layers78 × 84 mm
LC meter
schuyler4/LCR_Meter6An LCR meter design.
- Size
- 78 × 84 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 93
- Nets
- 80
- Pads
- 328
- Tracks, vias
- 609, 94
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Dec 2023
- Updated
- 17 Oct 2024
Overview
LC meter is an open-source printed circuit board by schuyler4, from the schuyler4/LCR_Meter repository on GitHub, published under the MIT licence. It is a 2-layer board of 78 × 84 mm with 93 parts on 80 nets, routed with 609 tracks and 94 vias.
It is built around the ADS8328IPW, LM1117DT-3.3 and LM1117DT-5.0, with the B140-13-F(MS), LTST-C171TBKT and SMF13A among its other parts. Its parts include 32 resistors, 17 capacitors, 14 connectors, 7 ICs and 4 diodes. It belongs with the RP2040 boards of this library.
Main components
6
ADS8328IPW
TSSOP-16-40℃~+85℃ 0.6LSB 1.5LSB、2LSB 11MHz 16 2 2.7V~5.5V 500kHz 91dB External External、Built-in Multiplexers、Multi-chip synchronization、Soft reset SAR SPI Yes TSSOP-16 Analog to Digital Converters (ADC) ROHSTexas InstrumentsAnalog To Digital Converters (ADC)
LM1117DT-3.3
TO-2520℃~+125℃@(Tj) 1 1.2V@(800mA) 15V 3.3V 5mA 75dB@(120Hz) 800mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsLM1117DT-5.0
TO-2520.003%Vout 0℃~+125℃@(Tj) 1 1.3V@(800mA) 10mA 15V 5V 75dB@(120Hz) 800mA Fixed Over Current Protection、Thermal Shutdown Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
B140-13-F(MS)
SMASchottky DiodesMSKSEMI
LTST-C171TBKT
0805-20℃~+80℃ 104mcd 130° 20mA 3.3V 465nm~475nm 468nm 76mW Blue Discrete Diode Water Clear 0805 LED Indication - Discrete ROHSLite-OnLED Indication - Discrete
SMF13A
SOD-123FL-55℃~+150℃ 13V 15.9V 1uA 200W@10/1000us 21.5V 9.3A@10/1000us TVS Unidirectional SOD-123FL ESD and Surge Protection (TVS/ESD) ROHSShandong Jingdao MicroelectronicsESD And Surge Protection (TVS/ESD)
README
readme.mdLCR Meter
This is my attempt at making an LCR meter. It is still in progress, but here is a schematic if you are interested.
Parts
93| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | 4952 | Connector_Pin:Pin_D1.2mm_L10.2mm_W2.9mm_FlatFork | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13 |
| 7 | 10k | Resistor_SMD:R_0805_2012Metric | R17, R24, R25, R28, R29, R30, R31 |
| 6 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C1, C5, C8, C11, C15, C16 |
| 4 | 10k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R1, R2, R16, R27 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric | C9, C10, C12, C17 |
| 4 | 13k | Resistor_SMD:R_0805_2012Metric | R8, R9, R10, R11 |
| 4 | M3 | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 4 | PNU | Capacitor_SMD:C_0805_2012Metric | C6, C7, C13, C14 |
| 4 | Switch | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J2, J4, J6, J7 |
| 3 | 100pF | Capacitor_SMD:C_0805_2012Metric | C2, C3, C4 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R18, R22 |
| 2 | 2.21k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R15, R26 |
| 2 | B140-13-F | Diode_SMD:D_SMA | D1, D5 |
| 2 | Mode Switch | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J5, J13 |
| 2 | PNU | Resistor_SMD:R_0805_2012Metric | R19, R20 |
| 2 | Range Switch | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J10, J11 |
| 1 | 0 | Resistor_SMD:R_0805_2012Metric | R23 |
| 1 | 1.78k | Resistor_SMD:R_0805_2012Metric | R38 |
| 1 | 12V Power | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J3 |
| 1 | 187k | Resistor_SMD:R_0805_2012Metric | R12 |
| 1 | 2.49k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | 249+/-0.1% | Resistor_SMD:R_0805_2012Metric | R13 |
| 1 | 2A | Fuse:Fuse_0805_2012Metric | F1 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | 4.99k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | 49.9k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R6 |
| 1 | 499+/-0.1% | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | 499k+/-0.1% | Resistor_SMD:R_0805_2012Metric | R7 |
| 1 | 6.49k | Resistor_SMD:R_0805_2012Metric | R4 |
| 1 | 68 | Resistor_SMD:R_0805_2012Metric | R21 |
| 1 | ADS8328IPW | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U4 |
| 1 | Current Range Switch Indicator | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J9 |
| 1 | DUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J1 |
| 1 | Display Connector | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J12 |
| 1 | LM1117DT-3.3 | Package_TO_SOT_SMD:TO-252-3_TabPin2 | U5 |
| 1 | LM1117DT-5.0 | Package_TO_SOT_SMD:TO-252-3_TabPin2 | U8 |
| 1 | LM4030-4.096 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | LM6142xIx | Package_DIP:DIP-8_W7.62mm | U6 |
| 1 | LM6144xIx | Package_DIP:DIP-14_W7.62mm | U1 |
| 1 | LTST-C171TBKT | LED_SMD:LED_0805_2012Metric | D7 |
| 1 | Panel LED | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-2-2.54_1x02_P2.54mm_Horizontal | J14 |
| 1 | Raspberry Pi Pico SC0915 | LC_meter:MODULE_SC0915 | U3 |
| 1 | SMF13A | Diode_SMD:D_SOD-123F | D2 |
| 1 | Thevenin Range Switch Indicator | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-4-2.54_1x04_P2.54mm_Horizontal | J8 |
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Questions
How big is the LC meter PCB?
It measures 78 × 84 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LC meter use?
93 parts, built around the ADS8328IPW, LM1117DT-3.3, LM1117DT-5.0 and B140-13-F(MS). 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 LC meter KiCad files?
From the schuyler4/LCR_Meter repository on GitHub, at the commit this page was made from: the board is electronics/rev1/ecad/LC_meter.kicad_pcb and its schematic electronics/rev1/ecad/LC_meter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the LC meter 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).