SIT3809AC-C-28NH

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Programmable oscillators are under the umbrella of frequency control devices and have the unique capability to allow frequency range setting and adjustment, along with shape setting, thus making them optimal for use in applications that have varied frequencies and require changing frequency intervals. The SIT3809AC-C-28NH is a programmable oscillator, which is a consolidation of the complex circuitry of a voltage controlled oscillator (VCO) and the switching frequencies and designed for usage with high performance crystal resonator. The clock generator offers broad-range frequency tuning and flexible output formats.

The SIT3809AC-C-28NH is an ideal programmable oscillator for many applications including communication devices, like base station systems and mobile phones, as well as other wireless applications that require robust and reliable performance. The oscillator is also well-suited for computing protocols and operating systems, often used in embedded applications. Automobile systems and industrial machinery can also utilize the device.

The SIT3809AC-C-28NH can be programmed to the desired frequency, ranging between 2.5 – 28MHz. Additionally, switching is possible between frequencies through a serial interface, allowing a wide variety of frequency formats and combinations. The device also includes a selectable duty cycle which can be set to either 50% or 75% duty cycles.

The SIT3809AC-C-28NH comes with a wide operational voltage range from 2.5V to 5.5V, meaning that few external components are necessary for the device to perform. The device also offers a wide operating temperature range for operation that lasts -40 to +85℃ , making the device reliable in harsh environment conditions. Along with this, the SIT3809AC-C-28NH also operates with low power consumption, including just 100µA in normal operation and 500µA in standby mode.

The SIT3809AC-C-28NH uses a voltage controlled oscillator (VCO) to generate its square waves. The VCO is a type of device that changes its frequency output in response to changes in voltage applied to it. The VCO also utilizes an external resonator, in this case typically a crystal, which is responsible for setting the clock rate. The VCO loop is usually implemented with a phase-locked loop (PLL) for more accurate frequency tuning, which works by using the phase difference of the incoming signals to adjust the output frequency.

The SIT3809AC-C-28NH can be used with a variety of resonators, allowing flexibility in frequency selection. By applying an external voltage to the oscillator, the frequency or range can be adjusted. When used with a crystal resonator, the frequency is determined by the load capacitance and its cut-off frequency. By selecting the right resonator and capacitance, the desired frequency can be chosen.

This programmable oscillator is an effective frequency control device and offers a variety of features and benefits that make it ideal for a range of applications. The device is reliable, easy to program and is highly accurate and versatile. The SIT3809AC-C-28NH is a perfect choice for many applications, as it offers superior performance and flexibility for its users.

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