SIT9005ACL2H-25SJ

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Programmable Oscillators, such as the SIT9005ACL2H-25SJ, are electronic components that are used to generate periodic and stable electrical signals. They are typically used in a wide range of applications, including communications, audio and video, power, timing and synchronization, testing and measurement, and computing. As their name implies, programmable oscillators can be programmed or adjusted to generate signals and frequencies to meet specifications. They are available in a variety of forms, including: voltage-controlled (VCXO, SXO, or PLL), digitally-controlled (DCO), and crystal oscillators (XO, CXOF and VCXF).

The SIT9005 ACL2H-25SJ is a programmable oscillator from SiTime. This device is part of the "Zero Delay" family, meaning it has extremely low phase jitter with advanced technologies such as MEMS oscillators, low ESR and high PSR capacitors. The device operates from a 25.000MHz to 100.000MHz frequency range and exhibits a maximum frequency adjustment of -/+.150% for both the output frequency and duty cycle. It also offers an excellent phase noise performance of -91 dBc/Hz at 1kHz offset from 12.8MHz to 25MHz.

The SIT9005ACL2H-25SJ is a Voltage Controlled Oscillator (VCXO) designed for use in communications systems, including broadband access modems, datacom, line drivers, and clocking base stations. With a wide output frequency range and high frequency accuracy, this oscillator is ideal for applications that need low phase noise and a low output frequency sensitivity. It is also ideal for applications requiring fast frequency changes, such as clock recovery or frequency hopping. The SIT9005ACL2H-25SJ is also suitable for applications requiring wide frequency stability over temperatures of -40°C to +85°C.

The working principle of a programmable oscillator is fairly simple. It basically consists of two components: an oscillator and a controller. The oscillator works by generating an electrical signal, known as a “sawtooth”. The controller then varies the voltage of the sawtooth, which in turn changes the frequency of the signal. The signal is then "programmed" to the user\'s desired frequency. For the SIT9005ACL2H-25SJ, this process is done with a voltage-controlled oscillator (VCXO). The VCXO is able to provide an output frequency that is proportional to its control voltage, which allows it to be accurately tuned to the desired frequency.

The SIT9005ACL2H-25SJ is designed to provide superior performance in numerous applications. It features excellent temperature stability and low frequency drift with a control voltage stability of only 4.8 FPM/V over the entire Industrial temperature range. The device is also RoHS compliant and available in a small 4-pin, 8-pad MSOP package for easy integration into applications. With its advanced design and high-performance capabilities, the SIT9005 ACL2H-25SJ can meet the needs of many demanding applications.

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