SIT9005ACL2G-25DO

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Programmable oscillators are electronic devices used to produce precise oscillations with an amplitude, frequency, and shape that can be adjusted by external electrical signals. An example of a programmable oscillator is SIT9005ACL2G-25DO. This oscillator is widely used in wireless communication, consumer electronics testing and monitoring, retro-reflection, time-delay triggering systems and other applications.

SIT9005ACL2G-25DO is a two-terminal programmable oscillator. It replaces fixed frequency oscillators in order to achieve optimum performance, due to its wide frequency tunability range. The frequency range of SIT9005ACL2G-25DO is 1MHz to 25MHz, which is adjustable in an extremely wide range, with an adjustable step resolution down to 0.001 Hz. It is also specified to reach an excellent jitter control performance of 0.1psrms@25MHz. The logic input voltage of low-level triggering is 0V and the logic output voltage of high-level triggering is 2.6V.

When it comes to its application fields, SIT9005ACL2G-25DO is suitable for a number of applications, such as radio telemetry, satellite communication, radar, navigation, frequency synthesis, and industrial frequency control. It can also be used for retro-reflecting applications with time-delay triggering systems. Furthermore, the device is designed with coplanar packaging structure, so it is also suitable for consumer electronics testing and monitoring.

The working principle of SIT9005ACL2G-25DO is based on a one-port resonator RC oscillator (one-port topology). It consists of a varicap diode to support voltage controlled frequency tuning, as well as a logic level control port to provide frequency adjustment. As signals are applied on the logic port, the frequency is controlled by the logic level control port, allowing for high flexibility and wide frequency range. The varicap diode is a two-terminal semiconductor device that supports voltage-controlled frequency tuning; when the voltage applied across the diode changes, the capacitance of the diode changes accordingly. This in turn changes the frequency of the oscillations produced by the device.

In conclusion, SIT9005ACL2G-25DO is a programmable oscillator designed for use in a wide range of applications. With its wide frequency range, excellent jitter and adjustable step resolution, the device can be implemented in a variety of applications. Its resonant circuit topology enables it to produce oscillations with accuracy, stability and a wide tuning range, while its logic port allows for further flexibility and ease of use.

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