SIT1602BI-23-33N-66.666600D

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Introduction

Oscillators are circuits that produce a continuously periodic output signal. They are widely used in a variety of applications, such as frequency synthesis, signal processing, and communication systems. Specific oscillators, like SIT1602BI-23-33N-66.666600D oscillator, are designed for specific applications, and it is important to understand their operating principles and application fields.

SIT1602BI-23-33N-66.666600D oscillator

The SIT1602BI-23-33N-66.666600D oscillator is a precision-tuned small signal oscillator. It is designed to provide a high-frequency, high stability signal output with coefficient of frequency stability as low as 10-7 to 10-8 or low end tuning voltage as low as 0.5V while operating from a wide voltage range of 1.2V to 3.6V with supply current of 1.2mA max. It   features a single-ended LVCMOS output on die and is easy to connect with an external load.

Application

The SIT1602BI-23-33N-66.666600D oscillator is primarily used in communication and radio frequency (RF) circuits requiring high frequency accuracy and stability. It is suitable for cellular phone applications, satellite and wireless LAN systems, GSM/TD-SCDMA/CDMA/WCDMA, base stations, short range radio, and high-speed clock distribution applications. It is also implemented in various industrial applications, and can be used in telemeters, PDA, barcode readers and similar devices.

Working Principle

The basic principle of an oscillator is an automatic feedback loop, which maintains a periodic equilibrium of the circuit and generates a continuous output signal. SIT1602BI-23-33N-66.666600D oscillator, specifically, works in a high precision, low-voltage environment by utilizing a selected high-frequency device.It comprises of the following components: a reference crystal, an amplifier, an frequency divider, a voltage controlled oscillator (VCO), and a feedback loop. The crystal is used as a reference frequency to determine the nominal frequency of the oscillator. The amplifier,frequency divider and VCO are used together for frequency multiplication and waveform optimization. Finally, a feedback loop is used to provide a reference signal to the VCO so that it can maintain a stable output.

Conclusion

The SIT1602BI-23-33N-66.666600D oscillator is an advanced, precision-tuned oscillator for high-frequency, low-voltage applications. It is used mainly in RF and communication circuits, and also in industrial applications. Its working principle is based on an automatic feedback loop, with a reference crystal to determine the nominal frequency of the oscillator.

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