8N3SV76BC-0149CDI8

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Programmable timers and oscillators are necessary components for control systems that require precise time and frequency control. The 8N3SV76BC-0149CDI8 is a flexible programmable timer/oscillator with features and functions that make it suitable for many different applications. This section will examine the application field and working principle of the 8N3SV76BC-0149CDI8.

Application Field of the 8N3SV76BC-0149CDI8

The 8N3SV76BC-0149CDI8 is a versatile timing device that is suitable for many different applications. As its name implies, it provides a programmable timer and oscillator, meaning its frequency and pulse width can be set and adjusted as required by a specific application. It can also be used for frequency modulation (FM), frequency division (FD), and cycle-to-cycle jitter measurement. This makes it ideal for applications in communications, radar, power supplies, and industrial control.

The 8N3SV76BC-0149CDI8 is also a great choice for radio frequency (RF) systems, as it is able to produce a precision output waveform, which can be used to accurately regulate the intermediate frequency from the local oscillator of the receivers. Its capability to work in FM and FM synthesis mode makes it suitable for use in direct digital synthesizers, making it a great choice for applications such as digital control and test instrumentation.

The 8N3SV76BC-0149CDI8 has an adjustable supply voltage range from 9V to 15V, allowing for lower system cost and improved efficiency on many different types of platforms.

Working Principle of the 8N3SV76BC-0149CDI8

The 8N3SV76BC-0149CDI8 is a CMOS programmable timer/oscillator. It contains two PLLs that are connected in series. The output frequency is determined by the control voltage applied to the device. The device can work in FM, FM synthesis, and cycle-to-cycle jitter measurement modes. It also includes a voltage-controlled oscillator (VCO) driver tailored for driving any type of VCO.

The 8N3SV76BC-0149CDI8 contains an internal voltage reference and temperature compensation circuit that produces a stable and low-noise control voltage for the oscillator. It also uses a digital phase compensation circuit to reduce frequency drift caused by the influence of temperature, supply voltage, and external loads. This ensures that the output frequency remains accurate and stable over time.

The 8N3SV76BC-0149CDI8 operates at frequencies between 0.1 MHz and 250 MHz. It also has an adjustable output range that can be as low as 0.1% of the programmed frequency. Its fast phase-locked loop allows for fast and accurate tracking of the external reference signal. The PLL also provides a high level of accuracy, with an offset frequency accuracy of 1Hz at 24 MHz.

The 8N3SV76BC-0149CDI8 also includes a number of features to ensure safe operation. It features a line frequency rejection filter to reduce interference from external AC signals, as well as an internal power-on reset circuit that ensures the device starts up with the correct settings. It also includes an over-temperature protection circuit that automatically shuts down the output when the temperature of the device exceeds its specified limits.

In summary, the 8N3SV76BC-0149CDI8 is a versatile programmable timer/oscillator that is suitable for many different control applications in both RF and digital control systems. Its adjustable frequency range and supply voltage range allow for a flexible and cost-effective solution for many applications. The device also contains several additional features for safe operation and stability, making it an ideal choice for use in demanding applications that require precise timing and frequency control.

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