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Oscillators

An oscillator is an electronic device used to produce a periodic, oscillating electronic signal, often a sine wave or a square wave. This signal performs a basic function in electronic circuits, providing an accurately timed signal for synchronizing or timing purposes. The type of oscillator used in any particular application depends on a number of considerations, including the required frequency, which is all-important, and other factors such as the output signal type, the level of stability, the number of harmonics to be measured, and the level of distortion.

ASCO1-38.400MHZ-L-T3 application field and working principle: The ASCO1-38.400MHZ-L-T3 oscillator is a programmable oscillator that is used for a variety of clock/timing applications including digital communications, military, computer, space, and automotive applications. It is microprocessor-controlled and capable of producing programmable output frequencies ranging from 0.5MHz to 50MHz. Its unique microprocessor-controlled design allows it to be easily programmed to produce a variety of output functions including sinewaves, squarewaves, triangular waves, and other special waveforms.

The oscillator is designed to function over a wide temperature range and allows for the rapid and precise adjustment of the output frequency, with just a simple change of its key components - a crystal oscillator, an adjustable resistor, and a capacitor. A single capacitance is used to control the output frequency. A demand for repeatable and precise frequency control requires a well designed stabilized oscillator system and it is this feature which makes ASCO1 oscillators preferred to many other frequency controlling devices.

The ASCO1-38.400MHZ-L-T3 provides a very high stability of output frequency due to its temperature compensation circuit. This circuit uses a thermistor, a temperature sensor, to constantly monitor the circuit temperature and automatically adjust the output frequency to compensate for any changes in temperature. Additionally, the thermistor also serves as an indicator of the circuit temperature and can be used to pre-set the temperature at which the output frequency should be adjusted.

The ASCO1-38.400MHZ-L-T3 also features an excellent phase noise performance, with an effective noise floor 40dB below the maximum output to enable precise frequency control and low jitter in critical data communication and digital systems. This low-noise performance also allows the oscillator to be used as a reference clock in critical timing applications where accuracy and stability are essential. The oscillator also has a low power consumption, making it ideal for use in battery powered systems.

The use of a programmable oscillator, such as the ASCO1-38.400MHZ-L-T3, provides a range of advantages. Most notably, it is able to produce a variety of output functions and frequencies, which makes it ideal for almost any application. It also provides a high level of precision and repeatability due to its temperature compensation and phase noise performance, which makes it a perfect choice for applications that need accurate frequency control. Finally, its low power consumption makes it ideal for use in battery powered systems.

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