# Real-time sound generation using a thermoacoustic source ## Description This is a real-time sound generator by thermoacoustic (TA) source using DC biasing technique. In this circuit, a NTE67 n-channel MOSFET is used where the circuit gain is 100. Two resistors in series: 70k (0.1W) + 20k potentiometer are used at gate-to-ground to easily adjust the biasing voltage. ## Project Details - **Owner:** s-m-masudur-rahman - **Created:** 4/13/2025 - **Last Updated:** 4/15/2025 - **Visibility:** Public - **Copies:** 1 ## Key Components ### Input Signal — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal.md) - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik - Manufacturer Part Number: 691137710002 **Pins:** - P1 [pin 1] - P2 [pin 2] ### NTE67 — [IRF730PBF](https://www.flux.ai/adrian95/irf730pbf.md) - Part Type: Transistor - Manufacturer Part Number: IRF730PBF - Datasheet URL: https://www.vishay.com/docs/91047/91047.pdf - Manufacturer Name: Vishay Siliconix - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - D [pin 2] - G [pin 1] - S [pin 3] ### Output Signal — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal.md) - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Part Type: Connector - Manufacturer Part Number: 691137710002 - Manufacturer Name: Würth Elektrik **Pins:** - P1 [pin 1] - P2 [pin 2] ### VDC — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal.md) - Part Type: Connector - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik - Manufacturer Part Number: 691137710002 **Pins:** - P1 [pin 1] - P2 [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/s-m-masudur-rahman/real-time-sound-generation-using-a-thermoacoustic-source](https://www.flux.ai/s-m-masudur-rahman/real-time-sound-generation-using-a-thermoacoustic-source).* --- *Generated from [https://www.flux.ai/s-m-masudur-rahman/real-time-sound-generation-using-a-thermoacoustic-source](https://www.flux.ai/s-m-masudur-rahman/real-time-sound-generation-using-a-thermoacoustic-source)*