DS1021S-50

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The DS1021S-50 is a clock/timing device that is part of the Delay line family, specifically designed for the purpose of providing a convenient, precise and repeatable delay in various digital circuits. It is a programmable device with an operating temperature range of -40°C to +85°C, providing a maximum timing range from 0 to 50µs. It is helpful to understand the application field and working principle of the DS1021S-50 in order to take full advantage of the capabilities of this precise and reliable device.

Application Field

The application field for the DS1021S-50 clock/timing device is very broad, given the precise timing capabilities it offers. It is especially suitable for precise time delays when precise time control is required. Some of the main applications of the device include synchronization in high-speed data networks, signal regeneration/equalization, and radio frequency shifting, among many others. Timing consoles and other communication systems can also be served by this device.

The most common applications however are those requiring precise time delays or the measurement of time intervals in the microsecond range. One example of this is the measurement of time intervals in high-speed data networks acting as an synchronous clock. This can be achieved through the use of the DS1021S-50 as a delay generator and its built-in buffering capability, effectively stabilizing the errors that occur in such networks.

Working Principle

The DS1021S-50 clock/timing device works primarily by using a combination of off-the-shelf components and custom built-in circuitry. The device contains four basic elements: a crystal oscillator, a reference clock, a counter and a digital-to-analog converter (DAC). The crystal oscillator works as a reference clock, providing the clock pulse to the counter with a very precise and repeatable frequency. The counter is based on a cascade of binary counters that are used to count the clock pulses. The count is then used to control the DAC to generate an adjustable time delay that can be programmed by the user.

This adjustable time delay is then fed back to the input of the crystal oscillator and the whole cycle is repeated. All of these components comprise the working principle of the DS1021S-50 and can be used to provide the precise time delays that the device is capable of. As the frequency of the clock pulses is known, and the adjustable time delay can be programmed, very precise and repeatable time delays can be achieved with this device.

Conclusion

The DS1021S-50 delay line is a very precise and reliable clock/timing device that is capable of providing precise and repeatable time delays in the microsecond range, thus making it especially suitable for applications requiring such precise timing control. By understanding the application field and working principle of the DS1021S-50, engineers and technicians can take full advantage of the capabilities of this device.

The specific data is subject to PDF, and the above content is for reference