SIT8008BCU1-18N

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Programmable oscillators are a category of oscillators which can be precisely programmed to output specific frequencies over a range of temperatures. SIT8008BCU1-18N is one such programmable oscillator, used widely in communications, professional audio and other fields. This article will discuss its application field and working principle.

SIT8008BCU1-18N is characterized as a low-profile, lead-free, ceramic SMD oscillator with an ultra-small footprint of 3.2 mm x 2.5 mm. It is a fundamental-mode, crystal oscillator made of quartz crystal elements at its core, the primary component of an oscillator. Frequency adjustment range of the oscillator is from 8.000MHz to 18.000MHz, and it has excellent temperature stability from -40°C to +85°C. SIT8008BCU1-18N also has the capability for output frequency accuracy of ±30ppm during operating temperatures ranging from -20°C to 70°C.

Among its major applications, SIT8008BCU1-18N can serve as an ultra-low jitter synchronization source for clocks and data streams in a variety of electronic systems. In industrial control systems, this oscillator finds use in regulating the timebase — a critical component in monitoring and controlling machine operations. In embedded computing, it can ensure efficient and smooth operation of electronic circuits such as microcontrollers and FPGAs. Furthermore, its applications in networking, communication and audio systems extend to high-definition broadcasting and audio recording systems. As a precision oscillator, SIT8008BCU1-18N provides the stability needed to accurately measure and control for products such as spectrum analyzers, signal generators and frequency counters.

With respect to its working principle, SIT8008BCU1-18N functions in sync with quartz crystal elements. When electrical energy is applied to the oscillator, the crystal element inside will vibrate mechanically at a frequency proportional to the supply voltage. The electrical and mechanical vibration interacts with the oscillator’s feedback circuit, creating a condition known as called a “resonant circuit”. By changing the resonant frequency, the active device in the oscillator’s electronic components can be precisely regulated. This feedback circuit can further be regulated by a sophisticated microprocessor controller, increasing precision and programmability. Such characteristics make the SIT8008BCU1-18N ideally suited for highly accurate frequency regulation across a wide range of temperatures and operating conditions.

In conclusion, the SIT8008BCU1-18N programmable oscillator has wide application in communication, industrial control, embedded computing, and audio systems. Its working principle revolves around quartz crystal element and resonant frequency oscillation, aided by a sophisticated microprocessor to increase precision and programmability.

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