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Oscillators

SIT1602BC-71-28E-77.760000G oscillator is a widely used high performance crystal oscillator, with excellent electrical specifications, low jitter and small package, which can meet the needs of various application fields. It has a wide range of applications in various fields such as consumer electronics, communication technology, data communication, optical network, industrial automation, aerospace and military industry.

The SIT1602BC-71-28E-77.760000G oscillator can be divided into four types, namely fundamental mode, fundamental mode quad frequency, harmonic mode and third overtone mode. The basic operating principle of SIT1602BC-71-28E-77.760000G oscillator is based on the principle of generating electromagnetic waves, the most basic form of energy utilization, through the interaction between two capacitive elements and the internal inductor of the oscillator circuit. It is a self-excited LC oscillator circuit, which is usually composed of electromagnetic components such as inductors and capacitors. Through analysis of the oscillator circuit, the oscillator circuit the equivalent model can be established, and the working principle of the oscillator can be illustrated by the equivalent circuit.

The equivalent circuit of SIT1602BC-71-28E-77.760000G oscillator is shown in figure 1. In the equivalent circuit, the equivalent resistor R1 is the series resistance of the crystal body. The negative resistance r is the nature of the crystal itself. The equivalent inductance represents the series inductor in the oscillator circuit. The equivalent capacitive components cg are the capacitance generated by the series capacitance between the crystal piece and the oscillator printed circuit board (PCB). Cs represents the series capacitance of the crystal body.

The working principle of SIT1602BC-71-28E-77.760000G oscillator can be summarized as follows: when the voltage is applied to the crystal, a reverse-inertia current charge will be generated in the crystal, and the charge will be oscillated from the negative resistance r to the equivalent capacitance Cs. During this process, the electromagnetic oscillation in the equivalent circuit will be generated. The frequency of the oscillation is determined by the electrical parameters and the size of the equivalent circuit itself.

The SIT1602BC-71-28E-77.760000G oscillator has wide application fields and its working principle can be easily understood. With its excellent electrical specifications, low jitter and small package, it is the perfect choice for multiple application fields.

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