SIT3821AC-2B-25NY

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Programmable oscillators are advanced electronic timing devices that generate a precise clock signal and a configurable frequency output. They are used in variety of electronic applications, such as computers, audio/visual equipment, communications, control systems, and instrumentation. They are able to provide a constant clocking frequency when used in oscillator-dependent circuits and systems, and can even be programmed to output a different clock frequency the input voltage or temperature changes. One example of a programmable oscillator is the SIT3821AC-2B-25NY.

The SIT3821AC-2B-25NY is a high-performance programmable oscillator with frequency range of 25 to 200 MHz. This device is designed to provide a wide range of frequency accuracy, frequency resolution, and stability performance. It features a maximum power supply voltage of 2.485 V and an operating temperature range of -40°C to +85°C. The device features an on-board programmable non-volatile memory, providing easy programming using an external computer interface. It also features a selectable output enable/disable pin with two levels of output enable/disable.

The SIT3821AC-2B-25NY is suitable for applications such as telecom systems, instrumentation, test equipment, and consumer electronics. In telecom systems, it can be used as a frequency reference for multi-channel systems, providing precise resolution of frequency tuning. In instrumentation, it can be used to accurately control the frequency of a data acquisition system. In test equipment, it can provide a stable frequency output for complex tests. In consumer electronics, it can be used to provide a precisely-tuned audio output.

The working principle of the SIT3821AC-2B-25NY is based on analog-to-digital technology. The frequency of the output signal is determined by an input voltage applied to an integrated capacitive-to-voltage converter. This converter converts the DC input voltage into an equivalent digital number which is used by the on-board microprocessor to program the output frequency. Once the microprocessor receives the programmed digital number, it is used to calculate a new frequency output. The output frequency is then adjusted accordingly. Input capacitance can also be used to program the output frequency, providing additional frequency range and flexibility.

The SIT3821AC-2B-25NY is a highly reliable and stable programmable oscillator designed to operate reliably in a wide range of environmental conditions. It provides a high level of programmability and flexibility, making it an ideal solution for a variety of applications. It is suitable for use in a wide range of applications including telecom, instrumentation, test equipment, and consumer electronics.

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