531FC311M040DGR

Oscillators are devices whose purpose is to generate a periodic signal waveform. They are widely used in various areas, such as radio communications, test and measurement, and other control systems. 531FC311M040DGR is a type of oscillator designed for precision oscillator applications, providing the capability of superior long-term frequency stability and tight temperature and phase noise characteristics. It operates over a wide frequency range of 8 MHz to 125 MHz.

Application Field

The 531FC311M040DGR oscillator is designed to meet the requirements of precision timing applications with excellent long-term frequency stability. It is suitable for use in broadcast receivers, radar systems, land mobile for radio communication, military secure wireless communications. The oscillator is also ideal for applications requiring good phase noise and excellent performance in an active-mode assembly.

Working Principle

The 531FC311M040DGR oscillator is built up by combining a low noise voltage controlled oscillator (VCO), a low power-consumption microcontroller unit (MCU), and an output amplifier. The VCO comprises a combination of capacitors and resistor networks, which enables precise frequency control and tight temperature coefficient specifications. The MCU is responsible for controlling the oscillator\'s frequency and amplitude under the control of an external resistor-capacitor capacitor (RC) network, as well as providing the impedance matching for the external circuit.

The VCO is further coupled with an output amplifier to provide clean, low-harmonic distortion waveforms with good signal-to-noise ratios. The oscillator operates over a wide temperature range from -40°C to +75°C. The output amplifier is designed to provide excellent linearity, amplitude flatness, and low distortion across the frequency range.

The 531FC311M040DGR oscillator’s high quality design features a built-in precision RC network to ensure excellent frequency stability. The oscillator also has built-in temperature compensation mechanisms, ensuring that its frequency stability is maintained at a wide temperature range. In addition, the oscillator also features a built-in temperature sensor that enables frequency accuracy control for improving system performance.