SIT8209AC-3F-33E-148.500000X

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Oscillators are electrical components that produce repetitive signals, such as clock-signals or data signals. A wide variety of oscillators are available, each serving a variety of different applications and respected for its different working principles. SIT8209AC-3F-33E-148.500000X is a type of oscillator belonging to the Oscillator category, and two of its most important properties are its application field and working principle.

Application Field

SIT8209AC-3F-33E-148.500000X is a type of oscillator particularly suited to consumer electronics and telecommunications. Thanks to its high resolution and the possibility for PWM, Frequency, Pulse Width, and Duty Cycle control; it is often used in products such as mobile phones, mp3 players, and digital cameras. It has the perfect combination of small size, good performance, and cost efficiency for a wide range of applications across wireless, wearables, medical, etc.

Working Principle

At the heart of its operation lies the thermal-electric effect, which enables the control of a tunable oscillator. ThermoelectIR technologies provide digital control of the oscillation frequency, or the Pulse Width, of SIT8209AC-3F-33E-148.500000X. An Input PWM signal is used to control a current-driven heater (Heater Bias Input), and the input signal is then converted to a count at the linear threshold (or differential) voltage window.

The heater bias input is usually supplied by a standard duty cycle PWM signal, while the linear threshold window is provided by the thermal voltage of the resistance of the heater thermistor. This thermistor is constructed with an electrically conductive material such as nickel or palladium, and as a result, the thermally induced resistance can vary from a few ohms at room temperature down to zero ohms as the temperature raises to 40°C.

Thanks to these properties, the oscillator is capable of cycling at frequencies varying from 4 Hz to 30 kHz when coupled with a voltage controlled oscillator. It is also capable of providing high-precision dynamic Pulse Width control, with the Pulse Width in microsecond resolution. The most important feature of the SIT8209AC-3F-33E-148.500000X oscillator is that it is highly reliable and can withstand harsh environments such as high- voltage and temperature extremes.

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