SIT9002AC-03H25DQ

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Programmable oscillators are a type of frequency generator device that is used to adjust the frequency of an oscillator. The SIT9002AC-03H25DQ is a programmable oscillator with built-in frequency adjustment and temperature compensation features for improved accuracy and stability. This article will discuss the application field and working principle of the SIT9002AC-03H25DQ.

The SIT9002AC-03H25DQ is a highly stable oscillator with a frequency range from 100 kHz to 25 MHz. It is suitable for use in many applications, including microcontroller applications, frequency synthesizers, radio frequency (RF) applications, and timing signals for digital communications. The device is extremely compact, measuring just 7.4 mm x 5.15 mm, making it well-suited for tight installations where space is at a premium.

The SIT9002AC-03H25DQ is composed of a specialized frequency adjustment circuit, a temperature-compensating circuit, and a voltage-controlled crystal oscillator (VCXO). It utilizes a voltage-controlled frequency adjustment feature that allows the user to adjust the output frequency of the oscillator in steps of 1 Hz or 0.1 Hz without the need for external components. This device also has a wide frequency deviation range that provides improved frequency stability over time.

The temperature compensation feature of the SIT9002AC-03H25DQ helps to maintain the oscillator’s accuracy over a wide temperature range. This is accomplished by varying an internal voltage in response to changes in ambient temperature, thus stabilizing the output frequency of the oscillator over a wide temperature range. In addition, the SIT9002AC-03H25DQ features low power consumption, and is available in 2.5 V and 3.3 V versions.

The working principle of the SIT9002AC-03H25DQ can be broken down into four stages. The first stage is the frequency adjustment circuit, which allows the user to adjust the output frequency of the oscillator in steps of 1 Hz or 0.1 Hz without the need for external components. The second stage is the temperature-compensation circuit, which compensates for the oscillator’s frequency variability due to temperature changes. The third stage is the VCXO, which provides a stable and accurate frequency output. Finally, the fourth stage is a low-power logic circuit, which provides an improved total harmonic distortion performance.

In conclusion, the SIT9002AC-03H25DQ is a highly stable programmable oscillator with a frequency range from 100 kHz to 25 MHz. It is suitable for a wide range of applications, and features built-in frequency adjustment and temperature compensation features for improved accuracy and stability. The working principle of the device can be broken down into four stages: frequency adjustment, temperature compensation, VCXO, and low-power logic. This makes the SIT9002AC-03H25DQ an ideal choice for many applications.

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