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What are the advantages of Epson SG-8101CB programmable crystal oscillator compared to ordinary crystal oscillator?

  • Nov 05,2024
  • 93 VIEWS
Compared with ordinary crystal oscillators, Epson SG-8101CB programmable crystal oscillator has the following advantages:
1.High frequency flexibility:
    •Programmable: The frequency of a regular crystal oscillator is fixed during production, while the SG-8101CB programmable crystal oscillator can be programmed to set its output frequency, which can meet the specific frequency requirements of different electronic products. For example, in some special R&D projects or customized electronic devices, if non-standard frequency clock signals are required, this programmable crystal oscillator can be easily implemented, while ordinary crystal oscillators cannot achieve it.
    •Convenient frequency adjustment: When the product design requires changing the clock frequency, using a regular crystal oscillator may require replacing the crystal oscillator components, which not only increases costs and time costs, but may also affect the overall design and layout of the product. The SG-8101CB can quickly adjust the frequency through simple programming operations, greatly improving the flexibility and efficiency of the design.


2.Good accuracy and stability:

    •High precision: The SG-8101CB programmable crystal oscillator has higher frequency accuracy, with a frequency adjustment accuracy of up to 1ppm. In contrast, the accuracy of ordinary crystal oscillators may be affected by manufacturing processes and environmental factors, resulting in relatively lower accuracy. In electronic devices that require high clock signal accuracy, such as communication equipment and high-end medical instruments, the SG-8101CB programmable crystal oscillator can provide more accurate clock signals, ensuring the normal operation of the equipment and the accuracy of data transmission.

    •Good temperature stability: The programmable crystal oscillator integrates a temperature compensation circuit internally, which has no temperature drift in the entire temperature range and can maintain stable frequency output in the temperature range of -40 ℃ to 85 ℃. The frequency of a regular crystal oscillator may experience significant deviations with temperature changes, especially in working environments with large temperature fluctuations, which can significantly affect its performance.


3.Quick start feature: The SG-8101CB programmable crystal oscillator has a fast start feature, with a start-up time of only 3ms and a rise/fall time of only 3.0ns for default and fast modes. This is very important for some electronic devices that require high startup time, as it can reduce the waiting time for device startup, improve the response speed and work efficiency of the device.


4.Low power consumption: In standby mode, the static current of SG-8101CB is only 0.3 μ A. When the output frequency is 20MHz, the no-load current loss is as low as 2.7mA. However, the power consumption of ordinary crystal oscillators is relatively high, especially for electronic devices that require long-term operation. Using low-power programmable crystal oscillators can effectively reduce the energy consumption of the device, extend the service life of the battery, or reduce the demand for power.


5.Small package size: The Epson SG-8101CB programmable crystal oscillator adopts a miniaturized package design, such as the common 5032 package, which can save space on the circuit board and is suitable for electronic products with high space requirements, such as portable devices, miniaturized electronic devices, etc. In contrast, the packaging size of ordinary crystal oscillators may be larger and may be limited in situations where space is limited.


6.High design and production efficiency: For electronic product manufacturers, using SG-8101CB programmable crystal oscillator can simplify production processes and material management. Due to its programmability, it can reduce the inventory demand of different frequency crystal oscillators and lower inventory costs. At the same time, during the product design and debugging phase, the impact of different frequency settings on the system can be quickly verified, shortening the product development cycle.