SIT9005ACU1D-28DN

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Programmable Oscillators are used in many applications such as radio, TV and display circuitry, modems, and more. SIT9005ACU1D-28DN is a product of Korea\'s SITO Corporation, a specialized manufacturer of quartz crystals, oscillators, and SAW devices. It is a 4-pin Voltage Controlled Oscillator module with frequency range from 0.5MHz to 28MHz. This oscillator module has a low power consumption of only 0.7mW. It also offers a high level of stability as it has a close frequency tolerance of ±25 ppm.

Application Field：SIT9005ACU1D-28DN is suitable for Appliances with frequency range from 0.5MHz to 28MHz such as mobile radio, TV and audio products, modems, and more. It is also suitable for the usage in the peripheral of home appliances, communication system, and medical device. It is also widely used in base-stations, transmitters, and communication circuits.

Working Principle：A Voltage Controlled Oscillator (VCO) is a type of electronic oscillator which provides an output frequency that is a function of a manually set control voltage. This oscillator module works with a linear control voltage, VCTRL. It utilizes the input of an external crystal to produce the output with a high precision and resonance stability. The voltage controlled oscillator can be easily set up and tuned with a trimmer capacitor. The frequency values can be changed within the frequency range by varying the bias voltage applied to the VC pin. This helps to accurately tune to desired frequencies for the application.

SIT9005ACU1D-28DN offers a wide range of features such as maximum input frequency of up to 24MHz, maximum gain bandwidth of up to 15MHz, frequency tolerance of ±25 ppm and range of output frequencies from 0.5MHz to 28MHz. It is a 4-pin TTL/CMOS compatible VCO module providing IC compatibility and is designed to work in applications needing low power consumption and precision. In addition, it operates in the temperature range between -40 °C to 85 °C and has a non-volatile memory with anti-disturbance level of up to ±40 mV. The on-board FET switch provides robust protection against over-voltage and over-current.

The SIT9005ACU1D-28DN module is also designed with a ±10% adjustment for frequency adjustment and stability. The frequency adjustment can be easily adjusted by changing the trimming capacitor. This makes it ideal for use in applications where precise frequency adjustments are required. It also has built-in ESD protection and a low phase noise of less than -95dBc/Hz at 10kHz offset. It operates from a power supply of 3.3V/5V and consumes very less power of less than 0.7mW.

SIT9005ACU1D-28DN is an ideal choice for applications needing low power consumption and precision. It’s a very cost-effective solution for those seeking an oscillator with a wide range of features. It is available in a standard size of 4-pin package and can easily be mounted to any device. Its wide range of features and low power consumption make it a great choice for many applications.

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