SIT3809AC-2-33EE

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Programmable Oscillators

Oscillators are widely used in circuit design, being an essential part of such systems as computers, radios, televisions, and cell phones. Programmable oscillators, specifically, are high-quality oscillators that are designed to be adjustable over a large range of frequencies, usually from a few kilohertz (kHz) up to hundreds of megahertz (MHz).

SIT3809AC-2-33EE

SIT3809AC-2-33EE is a programmable oscillator manufactured by Specialistsof Integrated Technologies. The oscillator is available in a dedicated SMD package and is suitable for a wide range of applications, such as timer and frequency control, clock synchronization, frequency synthesis, and medical and data acquisition systems.

Application Field and Working Principle

The applications of SIT3809AC-2-33EE programmable oscillator range from telecommunication to medical systems. It is a versatile oscillator that can be used in a wide variety of applications, including PLLs, demodulators, phase detectors, logic functions, and voltage controlled crystal oscillators (VCXOs).

The working principle of the SIT3809AC-2-33EE programmable oscillator is based on the phase locked loop (PLL) concept. The design is a three-channel programmable oscillator. In general, two or three channels are used for frequency synthesis and the last channel is used for frequency control.

The basic principle of the oscillator is to feed the analog reference signal into the PLL, and then the output is used to generate an output signal. The output signal is then filtered by the loop filter and fed back to the oscillator. The frequency of this output signal is then compared to the reference frequency and adjusted by a voltage applied to the oscillator. This process continues until the output of the PLL is synchronized with the reference frequency.

The SIT3809AC-2-33EE offers a wide range of features, such as the ability to adjust the frequency range, low power consumption, and low noise and jitter. Additionally, the oscillator has the ability to compensate changes in temperature and voltage.

The SIT3809AC-2-33EE programmable oscillator is designed for reliable operation in a variety of environmental conditions. It has wide temperature range from -40°C to 85°C and can withstand shock and vibration up to 25 g’s.

Its small package size and low power consumption make it an attractive option for applications that require a compact and efficient oscillator.

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