# Voltage amplifier ## Description This system was developed as part of a research project of the Ward Lab. It is to be used with a stimulus isolation adaptor from BIOPAC, more specifically one of the models that provide isolated voltage: https://www.biopac.com/product/stimulus-isolation-adapters/ ## Project Details - **Owner:** vasyl - **Created:** 6/8/2021 - **Last Updated:** 6/14/2021 - **Visibility:** Public - **Stars:** 1 ## Key Components ### ? — [Ground](https://www.flux.ai/jharwinbarrozo/ground~og.md) - Exclude from BOM: yes - Exclude from BOM: true **Pins:** - GND ### ? — [Ground](https://www.flux.ai/jharwinbarrozo/ground~og.md) - Exclude from BOM: yes - Exclude from BOM: true **Pins:** - GND ### 5V — Power Symbol **Pins:** - P1 ### BT1 — [Single Cell Battery](https://www.flux.ai/natarius/single-cell-battery~vc.md) - Voltage: 1.5V **Pins:** - ANODE - CATHODE ### BT2 — [Single Cell Battery](https://www.flux.ai/natarius/single-cell-battery~vc.md) - Voltage: 1.5V **Pins:** - ANODE - CATHODE ### D5 — Label **Pins:** - P1 - P2 ### D5 — Label **Pins:** - P1 - P2 ### D6 — Label **Pins:** - P1 - P2 ### D6 — Label **Pins:** - P1 - P2 ### DAC0 — Label **Pins:** - P1 - P2 ### DAC0 — Label **Pins:** - P1 - P2 ### DAC1 — Label **Pins:** - P1 - P2 ### DAC1 — Label **Pins:** - P1 - P2 ### J1 — [Connector 01x02](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 ### J9 — [Connector 01x02](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 ### Q1 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Beta / hFe: 100 - Leakage Current: 1e-13A **Pins:** - B - C - E ### Q2 — [NPN Transistor](https://www.flux.ai/jharwinbarrozo/npn-transistor~hqd.md) - Beta / hFe: 100 - Leakage Current: 1e-13A **Pins:** - B - C - E ### U1 — LM741 - Footprint: DIP-8/TO-99-8 - Datasheet: https://www.ti.com/lit/ds/symlink/lm741.pdf - Manufacturer Part Number: LM741 **Pins:** - - - + - NC - NULL - NULL - OUTPUT - V- - V+ ### U3 — [Arduino_Arduino_Due_Shield](https://www.flux.ai/vasyl/arduinoarduinodueshield~unn.md) - Part Type: Shield **Pins:** - 3.3V - 5V - 5V - 5V - A0 - A1 - A10 - A11 - A2 - A3 - A4 - A5 - A6 - A7 - A8 - A9 - AREF - CANRX - CANTX - D0_RX0 - D1_TX0 - D10_CS0 - D11 - D12 - D13 - D14_TX3 - D15_RX3 - D16_TX2 - D17_RX2 - D18_TX1 - D19_RX1 - D2 - D20_SDA - D21_SCL - D22 - D23 - D24 - D25 - D26 - D27 - D28 - D29 - D3 - D30 - D31 - D32 - D33 - D34 - D35 - D36 - D37 - D38 - D39 - D4_CS1 - D40 - D41 - D42 - D43 - D44 - D45 - D46 - D47 - D48 - D49 - D5 - D50 - D51 - D52_CS2 - D53 - D6 - D7 - D8 - D9 - DAC0 - DAC1 - GND - GND - GND - GND - GND - IOREF - RESET - SCL1 - SDA1 - SPI_5V - SPI_GND - SPI_MISO - SPI_MOSI - SPI_RESET - SPI_SCK - VIN ### U7 — LM741 - Manufacturer Part Number: LM741 - Footprint: DIP-8/TO-99-8 - Datasheet: https://www.ti.com/lit/ds/symlink/lm741.pdf **Pins:** - - - + - NC - NULL - NULL - OUTPUT - V- - V+ ### V- — Label **Pins:** - P1 - P2 ### V- — Label **Pins:** - P1 - P2 ### V- — Label **Pins:** - P1 - P2 ### V+ — Label **Pins:** - P1 - P2 ### V+ — Label **Pins:** - P1 - P2 ### V+ — Label **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/voltage-amplifier~kyt](https://www.flux.ai/vasyl/voltage-amplifier~kyt).* --- *Generated from [https://www.flux.ai/vasyl/voltage-amplifier~kyt](https://www.flux.ai/vasyl/voltage-amplifier~kyt)*