ELC-18E150L

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Fixed inductors, also called fixed-value inductors, are electronic components commonly used in radio, amplifier, and other electronic circuits. The ELC-18E150L inductor is an example of a specialty fixed-value inductor used in applications where high-frequency performance is required. This particular inductor has an inductance value of 150 uH and is rated for operation in the 18 MHz to 30 MHz frequency range. It is designed to be used in wireless transmitter applications, such as Wi-Fi.

In its simplest form, an inductor is a coil of wire that stores energy in the form of an electromagnetic field when a current passes through it. The stored energy is inversely proportional to the inductance and frequency of the inductor. The higher the inductance, the lower the frequency of the inductor. The ELC-18E150L inductor has a high inductance (150 uH) and is rated for operation in a relatively low frequency range (18 to 30 MHz).

An application example of an ELC-18E150L inductor in a wireless transmitter circuit is shown in the diagram above. In this circuit, the inductor is connected in series with a pair of transistors. At the point where the inductor is connected, the current passes through the inductor and then splits into two paths, one through each transistor. As the current passes through the inductor, it creates a magnetic field that stores energy. This stored energy is then released as the current encounters the two transistors, causing them to turn on and off at a rapidly increasing rate. This creates a signal that is then transmitted over the airwaves.

Another application field of the ELC-18E150L inductor is in RF filtering. RF filtering is a method used to reduce the amount of unwanted noise that can enter an electronic circuit. In this application, the inductor is connected in series with a capacitor and a resistor. When the inductor is connected, it forms an LC circuit. As current passes through this circuit, the reactance of the inductor and the capacitance of the capacitor form a filter that blocks out frequencies outside of the pre-determined range. This is useful for reducing unwanted noise in communications systems.

In conclusion, the ELC-18E150L inductor is a specialty fixed inductor designed for applications where high-frequency performance is required. It is commonly used in wireless transmitter applications such as Wi-Fi, and for reducing noise in communications systems. Its high inductance and low frequency rating make it an ideal choice for these types of applications.

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