EG-2121CA 312.5000M-PHPNB

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Oscillators: EG-2121CA 312.5000M-PHPNB Application Field and Working Principle

Oscillators are widely used in various electronic systems, providing a method of generating and/or controlling frequency signals to drive any number of complex components. Oscillators are thus a versatile and mission-critical tools, and due to their varying application fields, a wide variety of oscillators exists. Among such is the EG-2121CA 312.5000M-PHPNB oscillator, designated for usage in high frequency (RF) applications.

Application Field

The EG-2121CA 312.5000M-PHPNB oscillator is designed specifically for applications requiring high frequency or “radio frequency” signals. Though it can be used in many such applications, its primary application is in automotive communications systems, such as for signal generation in radio systems, and for controlling transmission signals. Such devices can also be found in wireless sensor networks, as well as in remote control systems. Lastly, the EG-2121CA 312.5000M-PHPNB oscillator can be found in television broadcasting systems, providing reliable signal generation.

Working Principle

This oscillator works by using an LC tank circuit. An LC tank circuit is an arrangement of an inductor and capacitor in parallel, connected through a common node. This means that the inductance (L) and capacitance (C) of the components interact together, able to transfer energy between them. When connected to the Transistor BJT amplifier, the oscillator’s inductor-capacitor (LC) tank circuit is able to receive and store energy, creating a stored potential of energy. When the stored energy and the resistor’s resistance reach equilibrium, oscillations start, creating an oscillator signal at the output.

The oscillator circuit constantly receives and releases energy until the transistor stops receiving energy. In this particular oscillator, an RC oscillator works as a relaxation oscillator, where the output of RC oscillator signal is connected to the base of the BJT, creating an amplified output signal. The capacitor in the RC circuit is charged and discharged according to Vin’s conduction state, producing periodic signals that discharge until initiating another round of charging and discharging.

Advantages

The EG-2121CA 312.5000M-PHPNB oscillator offers many advantages. For instance, it operates at a maximum frequency of 312.5000 MHz, making it suitable for applications requiring signals with higher frequencies. It has an 8-pin DIP package, making it easier to handle and install than other oscillator models. It’s produced with advanced and sophisticated technology, ensuring stable performance and reliability. Additionally, the EG-2121CA 312.5000M-PHPNB can also operate at temperatures between -40 and +90°C, making it suitable for harsh operating environments.

This oscillator’s main advantage is its power efficiency. It provides a low power consumption of <3mA, as well as a low standby current of 1 μA max, allowing it to operate for extended periods while consuming minimal power. This contributes to a longer lifespan, as the device does not require frequent replacements due to inefficient use of energy.

Conclusion

The EG-2121CA 312.5000M-PHPNB oscillator is an excellent choice for applications requiring high frequency signals, such as in automotive communications, remote control systems, and television broadcasting. Its LC tank circuit enables reliable signal generation, and its modern design ensures power efficiency, making it suitable for extended use. Its 8-pin DIP package provides an easy means of installation, and its ability to operate at -40 to +90°C allows it to be used even in extreme operating conditions.

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