OH100-61003CF-020.0M

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Oscillators provide an electrical signal at a given frequency, which can be used as a timing reference to drive an electronic or mechanical system. The OH100-61003CF-020.0M oscillator is functionally similar to a quartz crystal oscillator (XO); however, it uses different methods to generate a signal. This article will discuss the OH100-61003CF-020.0M application field and working principle.

Application Field

The OH100-61003CF-020.0M is a high-frequency oscillator used in data communications, digital signal processing, and telecommunications applications. It is specifically designed to produce a sine wave output at 20 MHz with an output amplitude of +3 dBm, making it ideal for driving high-speed clock signals. It also features low power consumption (1.4 watts) and a high temperature stability (-20 to +85°C).

Working Principle

The OH100-61003CF-020.0M operates differently than a crystal oscillator. It uses a CMOS Smart VT Frequency Synthesis Chip (VS61003CF) to output a sine wave signal at 20 MHz. The VS61003CF consists of three components: a voltage controlled oscillator (VCO), a frequency divider, and a phase comparator. The VCO is controlled by an external voltage; when the voltage is changed, the oscillator frequency changes accordingly. The frequency divider takes the output from the VCO and divides it down to 20 MHz, while the phase comparator compares the signals from the VCO and the frequency divider and provides feedback to the VCO to ensure the oscillator frequency remains constant.

The OH100-61003CF-020.0M is a high-performance, economical oscillator that is well-suited for use in a variety of applications. It is easy to operate and provides reliable performance in a variety of environments. Because it uses a CMOS chip for its main component, it is more reliable than quartz crystal oscillators, making it an ideal choice for high-speed clock needs in industrial and telecommunications applications.

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