dob alexander Posted March 2 Report Share Posted March 2 In this article, we have produced 7 simple 2N3904 circuits for electronic enthusiasts. These circuit diagrams are essentially beginner-friendly types. Hope the circuit diagrams are helpful to you.😀 Source: Apogeeweb Semiconductor Electronic  2N3904 Circuit Circuit 1: Thermostat controller composed of LM75 intelligent temperature sensor and 2N3904 transistor. Circuit 2 Circuit 3 Circuit 4 Circuit 5 Circuit 6: 2N3904 Sample Circuit-Amplifier Circuit 7:How to design a 13.56mhz sine wave power amplifier circuit with 2N3904  Quote Link to comment Share on other sites More sharing options...
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