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Oscillators - SIT1602BI-21-33N-66.666000E application field and working principle

The SIT1602BI-21-33N-66.666000E oscillator is an excellent choice for embedded applications. It is a low-phase-noise, temperature-compensated, low-voltage-noise Oscillators. This oscillator can provide excellent frequency stability even in harshest environments. It has been specifically designed for circuit boards which run at high temperatures and humidity.

The oscillator is made of a single chip cut in a metal package. It operates on a single voltage supply and provides frequency adjustments with calibrated settings of +-100mV. The crystal quartz is encapsulated in the package, after the crystal has been cut to the precise frequency requirements. The quartz can sustain very high temperatures and can even sustain brief periods of overload making the oscillator more versatile.

The SIT1602BI-21-33N-66.666000E oscillator is mainly used in AC/DC converters, switching power supplies, digital voltage regulators, transmission control systems, and communications systems.

The working principle of the SIT1602BI-21-33N-66.666000E oscillator is similar to that of other standard oscillators. Electronic integrated circuit (IC) technology is used in the oscillator. The quartz crystal, capacitors, and resistors are connected to an amplifier circuit. When a voltage is applied to the oscillator, current from the external voltage source passes through the quartz crystal and a resonant AC current is generated. This resonant AC current is converted to direct current which is then amplified by the amplifier circuit.

Once the signal is amplified, it is sent back through the quartz crystal which creates a feedback loop. The output signal is then de-coupled from the amplifier and is sent to the desired device.

The frequency stability of the oscillator is mainly determined by the number of turns the quartz crystal

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