SIT1602AC-12-33E-28.636300D

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Introduction to Oscillators

Oscillators are electronic circuits that generate a periodic waveform, usually a sine or a square wave, at a specific frequency. They are widely used as signal sources or as time reference signals in a variety of electronic and radio related applications. They are stated as an example of a class of circuits that can be used to generate a periodic waveform from a single, static circuit.

SIT1602AC-12-33E-28.636300D Oscillator

SIT1602AC-12-33E-28.636300D is a voltage-controlled oscillator (also known as VCO) used to generate a continuous wave on its output at any frequency between 12.78MHz and 33.00MHz, depending on the voltage applied to the tuning pin (VIN) of the oscillator. This oscillator also features an adjustable dead-band centered at 28.636300MHz.

Application Field and Working Principle

SIT1602AC-12-33E-28.636300D oscillators are typically used in wireless communications systems like GSM, CDMA and CDMA2000, as well as for telecom modem communications, GPS receivers, and digital signal processing applications. This is possible due to its perfect combination of narrow bandwidths and very low phase noise.

The working principle of the oscillator is based on amplification of input voltage and so it is the nature of the oscillator to control its frequency with an applied voltage. This voltage is given by the microcontroller that sets the desired frequency, usually a GFSK controlled VCO. The same microcontroller also monitors and adjusts the output frequency of the VCO to maintain a stable output.

In order to adjust the frequency of the oscillator, it is necessary for the microcontroller to apply a steady voltage to the tuning pin of the oscillator. This voltage is adjusted in order to reach the desired frequency and is usually referred to as the tuning voltage (VIN). When the tuning voltage is within the operating range of the oscillator, it will generate an output frequency between 12.78MHz and 33.00MHz.

SIT1602AC-12-33E-28.636300D is a highly stable dimmer oscillator with very low phase noise. As such, it is the perfect choice for any application requiring a stable and precise electromagnetic signal. It is a reliable and cost-effective choice for most applications.

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