It has a maximum collector current of 200mA and a maximum collector-emitter voltage of 40V. Its small size and wide range of applications make it an essential component in many electronic circuits.ĢN3904 is a widely used general-purpose NPN bipolar junction transistor that is commonly used in amplification and switching applications. Overall, the 2N3904 is a widely used transistor due to its low cost, availability, and versatility. Its high transition frequency makes it suitable for use in high-frequency applications, while its low input and output capacitances make it ideal for use in circuits where fast switching is required. The 2N3904 can be used in a variety of electronic circuits, such as amplifiers, switch drivers, and general-purpose switching applications. Some of the technical specifications of the 2N3904 are:Ĭollector-Emitter Saturation Voltage: 0.2V It is a small signal transistor with a maximum collector current of 200 mA and a maximum collector-emitter voltage of 40 V. NPN silicon epitaxial planar transistor for switching and Amplifier applicationsĢN3904 is a commonly used NPN bipolar junction transistor (BJT) in electronic circuits for amplification and switching applications. NPN SILICON PLANAR EPITAXIAL SWITCHING TRANSISTORS It is a steady, and harmonic-free FM transmitter so it is used in a place where we need stable FM broadcast.NPN Silicon Transistor (General small signal application).Keep all the parts as close as could reasonably be expected and utilize a 12-inch wire for the antenna or utilize a 30-inch wire antenna for a more prominent range. The input voltage can be 9- or 12-volts DC. The loop L is equivalent to 8 to 10 turns of #22 enameled wire twisted on 6.30 millimeters breadth structure. The circuit is just utilizing a couple of parts however gives a decent range. The rf circuit that appeared beneath is a smaller than usual stable FM transmitter that is utilizing a Zener diode to give precise voltage to the oscillator while the battery drains, because of which it won’t float its frequency. There are numerous procedures to produce an FM transmitter stable so it won’t change its frequency as the battery drains. In this part, we are discussing the operation of the “FM transmitter circuit” which is stable and harmonic-free.
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