SIT1602BC-82-25N-33.333000T

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Introduction

SIT1602BC-82-25N-33.333000T is a surface-mountable oscillator that is part of a family of components known as oscillators, which are used to generate accurate periodical waveforms. In order to understand the application field and working principle of SIT1602BC-82-25N-33.333000T, let us first understand what oscillators do and the theories behind them.

What are Oscillators and What Do They Do?

Oscillators, as the basic components of electronic products, play an important role in the design of radio frequencies and electronic circuits. They are used to convert an electrical signal into an oscillating waveform or to modulate a signal before passing it on. Oscillators can be used as modulators, demodulators, or frequency synthesizers. For example, they are found in mobile phones, shortwave radios, TV sets, home electronic equipment, and various medical instruments.

An oscillator is composed of a frequency-determining element, a mode-determining element, an amplifier, and an output circuit. Its purpose is to generate a single output voltage signal of a desired frequency, usually within a certain tolerance range. Due to their wide range of applications, oscillators can be broadly categorized into sinusoidal oscillators and relaxation oscillators.

Sinusoidal Oscillators

Sinusoidal oscillators are composed of resistor-capacitor (RC) circuit. This RC circuit consists of a resistor and a capacitor that are connected in series and a DC voltage source. The current through the circuit will oscillate at a frequency determined by the RC time constant. This frequency is known as the resonant frequency. The sinusoidal oscillator will produce an output signal at the resonant frequency, and the oscillation amplitude will decrease as the frequency increases or decreases away from the resonant frequency.

The most common example of sinusoidal oscillators is the transistorized oscillator, which is composed of one or more transistors and an external voltage source. Thisoscillator is also known as a Pierce oscillator or Colpitts oscillator. In operation, the voltage across the transistor varies in a sinusoidal fashion, producing an oscillating output signal.

Relaxation Oscillators

Unlike sinusoidal oscillators, relaxation oscillators do not have a resonant frequency. A relaxation oscillator is made up of an amplifier connected to a resistor-capacitor (RC) circuit. When the amplifier is turned on, the capacitor charges quickly to a given voltage. Then, the capacitor begins to discharge through the resistor at a certain rate and the output of the amplifier changes its state in a non-linear fashion. The output then oscillates at a fixed frequency determined by the resistor-capacitor time constant. This type of oscillator is used to drive digital circuits and to generate pulse waveforms.

SIT1602BC-82-25N-33.333000T Oscillator

The SIT1602BC-82-25N-33.333000T is a surface-mountable oscillator, designed for applications such as clocks, communications, and computer peripherals. It operates at a frequency of 33.333KHz, with a ±30ppm operating temperature range.

The oscillator is based on an oscillating circuit composed of a resistor, capacitor, and transistor, which produces an output signal. The frequency of the signal is determined by the resistor-capacitor time constant. The oscillator also includes a frequency divider to provide the desired exact frequency.

The oscillator is designed to be surface mounted and requires little space, making it ideal for use in embedded and mobile applications. It also features a plastic package, which makes it highly resistant to corrosion and wear and tear.

Conclusion

SIT1602BC-82-25N-33.333000T is an oscillator based on an oscillating circuit composed of a resistor, capacitor, and transistor. Its exact frequency is determined by a frequency divider. It is ideal for embedded and mobile applications due to its small size, surface-mountable package, and plastic casing.

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