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Introduction to BD140 - The Engineering Projects
Transistor Basics | BD139 & BD140 Power Transistor Tutorial - Hackster.io
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boss audio amplifier - Schematic Power Amplifier and Layout - How to
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BD140
New Electronic Desing 2011: Hi-Fi Circuit using E5534, OPA2604, MJE340
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BD140 up to 1.5Amp | All About Circuits
![Introduction to BD140 - The Engineering Projects](https://i2.wp.com/www.theengineeringprojects.com/wp-content/uploads/2020/08/Introduction-to-bd140-5.png)
Introduction to BD140 - The Engineering Projects
![Sound Controlled DC Motor | Circuit Diagram](https://i2.wp.com/www.circuitdiagram.org/images/sound-controlled-motor-circuit.gif)
Sound Controlled DC Motor | Circuit Diagram