SIT1602BI-11-18S-28.636300E

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SIT1602BI-11-18S-28.636300E is an oscillator which is part of the popular SIT series of frequency controlling components, and is typically used as a reference source or clock pulse generator for digital and radio application.

The SIT1602BI-11-18S-28.636300E oscillator main advantage is its size and low current consumption; which results in a power efficient and cost effective solution for electronics design. It consist in a modified circuit composed of a reverse biased transistor and an off-chip oscillator circuit.

The fundamental working principle of the SIT1602BI-11-18S-28.636300E oscillator is based on the oscillations of the reverse biased collector-base voltage of the transistor which is usually a BJT. The transistor is feed by a constant current coming from the off-chip oscillator circuit which in turn is feed by a voltage source. The transistor collector is then coupled to an external circuit acting as an inductor and capacitor connected in parallel.

The frequency of oscillation is mainly determined by the external inductor and capacitor values and it will be affected by any change in the external components values. The operating voltage of the oscillator is determined by the bias voltage. By adjusting the bias voltage, the user can then control the frequency of the oscillator quite accurately.

In order to regulate the frequency of the oscillator, the constant current feeding the BJT can be changed, thus providing a further means of frequency control as well as voltage regulation. This method of frequency control is known as the “pulling” technique and it allows the user to fine tune the oscillator frequency.

The SIT1602BI-11-18S-28.636300E oscillator is used mainly in digital and radio applications, such as in microprocessors, clocks, alarms and communication systems. It can also be used to generate the clock pulses for satellite telemetry and telecommunication devices. It is also used in PIC microcontrollers to generate internal clock signals. The oscillator is also ideal for generating accurate time signals for GPS receivers and is often used in applications requiring an accurate frequency source.

The SIT1602BI-11-18S-28.636300E oscillator has the advantage of being easy to adjust using the pulling technique, and the user can obtain precise control of the oscillator frequency over a wide range of frequencies. It is a reliable and cost effective solution, and it’s small size makes it ideal for microprocessor and radio applications.

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