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

Oscillators - 590JC133M333DG Application Field and Working Principle

An oscillator is a device that generates a periodic, alternating, or a reversing waveform signal through the feedback of its output and input. The 590JC133M333DG oscillator is a type of electronic oscillator comprising a differential amplifier and an LC tank circuit, as well as a reverse recovery circuit and a voltage regulator. It is featured by a fast recovery time, high signal-to-noise ratio, and good frequency stability.

Application Field

The 590JC133M333DG oscillator is used in the telecommunications and computer peripherals industry as an amplifier-oscillator for wireless communications. It is also used to generate clock signals in digital circuits, such as microprocessors and other integrated circuits, as well as in many other types of devices. This oscillator is also widely used in television receivers, radio transmitters, modems, and other devices where controlled frequency is necessary due to its low noise.

Working Principle

The 590JC133M333DG oscillator is a differential amplifier-oscillator with an LC tank circuit that operates at frequencies ranging from 10 kHz to 300 MHz. The LC tank circuit comprises a parallel-tuned LC resonant circuit, coupled with a resistor and a reverse-recovery circuit. The resonant frequency of the LC tank circuit is determined by the inductance and capacitance of the parallel LC circuit, and the resistance of the resistor. The reverse-recovery circuit is a pair of transistors that is used to shift the current of the LC tank circuit while in the oscillation state in order to control the phase and amplitude of the oscillations.

The differential amplifier-oscillator amplifies the AC voltage of the LC tank circuit, and also produces a voltage across the LC tank circuit. This voltage is then used to control the transistors of the reverse-recovery circuit, which in turn shifts the current of the LC tank circuit to produce the desired phase and amplitude of the oscillations. The LC tank circuit then produces the output oscillation waveform, which is amplified by the differential amplifier-oscillator before being sent to the output.

The voltage regulator is used to reduce noise and stabilize the output waveform, and it is comprised of an adjustable Zener diode circuit and a series-tuned LC circuit. The Zener diode limits the voltage fluctuations and the series-tuned LC circuit attenuates the noise generated by the mixed components of the oscillator. The voltage regulator is also able to regulate the output voltage to the desired output level.

Conclusion

In conclusion, the 590JC133M333DG oscillator is a differential amplifier-oscillator used to generate periodic, alternating, or reversing waveforms for use in many applications, such as television receivers, radio transmitters, and modems. It consists of an LC tank circuit, reverse-recovery circuit, and voltage regulator. The LC tank circuit produces the output oscillation waveform which is then amplified by the differential amplifier-oscillator. The voltage regulator reduces the noise and stabilizes the output waveform.

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