Series:	SiT3809
Packaging:	Bulk
Part Status:	Active
Base Resonator:	MEMS
Type:	VCXO
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	80MHz ~ 220MHz
Function:	Standby
Output:	LVCMOS, LVTTL
Voltage - Supply:	2.5V
Frequency Stability:	±10ppm
Frequency Stability (Total):	--
Operating Temperature:	-40°C ~ 85°C
Spread Spectrum Bandwidth:	--
Current - Supply (Max):	36mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	6-SMD, No Lead
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Height:	0.031" (0.79mm)
Current - Supply (Disable) (Max):	70µA

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Programmable Oscillators

Programmable oscillators are devices that can control the timing and frequency of a signal output. This type of oscillator can be used in various applications such as switching power supplies, clocks and timers, telecom, digital signal processing, data transmission systems and more. The SIT3809AI-C-25SX Programmable Oscillator is a precision oscillator with a wide range of features, making it suitable for a variety of applications.The SIT3809AI-C-25SX is a unique device with an integrated quartz crystal. It has a high frequency range of 25 MHz to 300 MHz, with an output signal amplitude that can be adjusted from 0.5V to 3.0V. The oscillator includes a programmable frequency and phase adjustment, in addition to a temperature compensated voltage controlled oscillator for temperature stabilized performance. By providing accurate timing and signal output control, the SIT3809AI-C-25SX can be used in a variety of applications including communication systems, consumer electronics, medical applications, industrial equipment and scientific instruments.

Working Principle

The working principle of the SIT3809AI-C-25SX is based on the oscillator\'s integrated quartz crystal. The quartz crystal is a natural frequency device that allows for accurate frequency control and adjustment. The oscillator is also equipped with a programmable digital-controlled oscillator (DCO) that adjusts the frequency of the output signal to compensate for temperature variation. The DCO is also able to adjust the frequency according to the voltage of the power supply.The frequency and phase of the output signal can be changed by adjusting the oscillator’s internal components, such as the capacitor and inductors. The frequency and phase are also adjustable with software if the user is connected to the oscillator via a USB interface. In addition to providing accurate timing, the oscillator has a wide range of features that make it suitable for a variety of applications.The SIT3809AI-C-25SX supports programmable output levels from 0.5V to 3.0V, and it is also equipped with a calibration output and a trim function. The trim function allows the user to quickly adjust the frequency to the required value by using a standard frequency generator. The calibration output enables the user to quickly calibrate the output frequency to the designated frequency with an external signal source.

Application Field

The SIT3809AI-C-25SX is designed for use in communication systems, consumer electronics, medical applications, industrial equipment and scientific instruments. In communication systems, the oscillator can be used to control the frequency and timing of the data transmissions and modem communications. In consumer electronics, the oscillator can be used in mobile phones, digital cameras, satellite TV and other electronic products.In medical applications, the oscillator can be used to measure and monitor the heart rhythm and for other medical uses. The oscillator can also be used in industrial equipment such as HVAC and industrial robotics. In scientific instruments, the oscillator can be used for precise time measurements and research.

Conclusion

The SIT3809AI-C-25SX Programmable Oscillator is a precision oscillator with a wide range of features. It is suitable for a variety of applications including communication systems, consumer electronics, medical applications, industrial equipment and scientific instruments. The oscillator is based on an integrated quartz crystal and a programmable DCO that allows for accurate timing and signal output control. Additionally, the oscillator can be calibrated and trimmed with an external signal source, allowing for quick and easy adjustments in frequency and output.

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