8N3DV85KC-0018CDI

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Programmable Timers and Oscillators: 8N3DV85KC-0018CDI Application Field and Working Principle

Programmable timers and oscillators are versatile components for designer’s design. This piece of article will discuss the 8N3DV85KC-0018CDI oscillator application field, its working principle, and other features.

8N3DV85KC-0018CDI: Application Field and Working Principle

The 8N3DV85KC-0018CDI is a voltage-controlled crystal oscillator (VCXO) component that is available in an 8-pin metal case (LCC). It operates at an output frequency of 28.636MHz, with its input voltage range of 5.5V ±10% operating temperature of -10°C to +85°C. The 8N3DV85KC-0018CDI is ideal for industrial, medical, and telecommunication applications. Its frequency stability is better than 0.8ppm (±20°C to +70°C), and it provides an excellent frequency accuracy of ±1.5ppm (0°C to +30°C).

In terms of its working principle, the 8N3DV85KC-0018CDI is a voltage-variable oscillator that works on a combination of a quartz crystal oscillator working in the phase-shift oscillator circuit and DC bias circuit. The crystal oscillator produces an output signal whose frequency is determined by the phase shift of the input signal. This phase shift is controlled by adjusting the voltage applied to the quartz crystal. The 8N3DV85KC-0018CDI oscillator provides a wide frequency range that covers the entire frequency spectrum from 4MHz to 100MHz.

The 8N3DV85KC-0018CDI also features an internal DC bias circuit which is used to regulate the crystal oscillator. The DC bias circuit allows the oscillator to output a signal that is stable, accurate and free of interference from outside influences. The internal DC bias circuit also helps maintain the accuracy of the output signal over a wide range of temperatures.

Features

The 8N3DV85KC-0018CDI provides the following features:

• A maximum frequency output of 28.636MHz;
• An input voltage range of 5.5V ±10%;
• A frequency stability of 0.8ppm (±20°C to +70°C);
• A frequency accuracy within 1.5ppm (0°C to 30°C);
• An excellent performance over a wide range of temperatures;
• An internal DC bias circuit for a stable, accurate output; and
• An 8-pin metal case (LCC).

Conclusion

The 8N3DV85KC-0018CDI oscillator is an ideal component for designers who are looking for a voltage-controlled crystal oscillator that offers excellent performance over a wide range of temperatures and a wide frequency range. It has an input voltage range of 5.5V ±10%, and provides an accuracy of ±1.5ppm over a range of temperature from 0°C to 30°C. Its internal DC bias circuit prevents noise from outside influences from affecting the output signal.

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