578L128CTT

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Introduction

An oscillator is an electronic circuit that generates an alternating electrical signal of a certain frequency and type. They are used for wide range of applications, including clocks and timers, as well as in radio and television receivers and transmitters. The 578L128CTT is an example of an oscillator, specifically a Fixed Frequency Temperature Component Oscillator.

Application Field of 578L128CTT

The 578L128CTT was specifically designed for use in applications where a medium to low power consumption is required. It can be found in computer, communication, medical, and many other electronic systems. This oscillator is a high precision, temperature-compensated oscillator (TCXO), and is ideal for use in systems such as those found in wireless LANs, data-sheet collection, modems, and other applications that require low power and are temperature sensitive.

Working Principle of 578L128CTT

The 578L128CTT utilizes the B2C Oscillator technology, which is a form of temperature compensation using a special crystal. It consists of two metal-oxide-semiconductor field-effect transistors (MOSFETs): a differential pair and a capacitor. This is the same approach used in traditional temperature compensated oscillators, but modern MOSFETs allow for the production of circuit elements on a smaller scale, with lower power consumption.

This oscillator works by creating an oscillating electrical current, which passes through the crystal. This crystal has a specific oscillation frequency for any given temperature, and the carrier is used to keep this frequency stable for a wide range of temperatures. A temperature sensor also placed in the oscillator can detect the ambient temperature and adjust the carrier frequency accordingly, thus ensuring that the oscillator frequency stays constant.

Conclusion

The 578L128CTT is a low power, highly accurate oscillator, suitable for use in many temperature sensitive electronic systems. It utilizes the B2C Oscillator technology to ensure a constant frequency over varied temperatures. By detecting the ambient temperature with a temperature sensor, the 578L128CTT can adjust its frequency accordingly and maintain the program frequency stability.

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