SIT8009BCB81-XXE

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Programmable oscillators are characterized by their precise frequency and stable phase noise that makes their applications suitable for wireless communication, precise positioning, precision measurement, frequency control, and other high performance applications.

SIT8009BCB81-XXE is an advanced programmable oscillator that offers an industry leading combination of superior performance, superior precision, and superior integrated jitter attenuation capabilities. It is a high performance oscillator with up to 1.9 GHz (Wi-Fi) and 2.4 GHz (Bluetooth) frequency support, and features a phase-locked loop (PLL) architecture that supports low jitter, low phase noise, and broad bandwidth multi-stage filtering.

The SIT8009BCB81-XXE programmable oscillator is designed to be used in a wide variety of applications including telecom base stations, video conferencing systems, industrial and medical equipment, remote broadcast and data communications, product test and validation, and flight control systems. It is also suitable for Wi-Fi, Bluetooth, and satellite communications systems.

The working principle of the SIT8009BCB81-XXE programmable oscillator is based on the architecture of the PLL. It consists of a reference oscillator, a phase/frequency detector, a loop filter and a voltage controlled oscillator. The reference oscillator outputs a stable frequency and phase, and the Phase/Frequency Detector (PFD) compares the phase and frequency of the reference oscillator to the output of the voltage controlled oscillator. The difference in waveforms is then fed to the loop filter which further adjusts the frequency and phase of the VCO\'s output to match that of the reference oscillator.

The PLL\'s loop filter is designed to reduce the jitter and phase noise of the VCO output, and the entire PLL circuit is designed to create a stable frequency output. The SIT8009BCB81-XXE programmable oscillator can be programmed using a dedicated control register. This register is used to program various parameters such as VCO frequency, loop filter bandwidth, loop gain, output level, and more.

The SIT8009BCB81-XXE programmable oscillator is an ideal solution for applications that require precise frequency control and robust phase noise performance in a very small form factor. It is a reliable, low cost, and highly integrated solution for a wide range of applications.

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