SIT9005ACU1D-30EG

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	6.5mA
Height:	0.030" (0.76mm)
Size / Dimension:	0.098" L x 0.079" W (2.50mm x 2.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	6.5mA
Spread Spectrum Bandwidth:	-1.84%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Series:	SIT9005
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Voltage - Supply:	3V
Output:	LVCMOS
Function:	Enable/Disable
Available Frequency Range:	1MHz ~ 141MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	SSXO
Base Resonator:	MEMS
Part Status:	Active

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Introduction

Programmable oscillators are electronic components used to generate an oscillatory signal at a frequency and amplitude determined by the user. Unlike traditional oscillators that are typically limited to a set frequency, programmable oscillators allow the user to adjust the frequency of the signal they generate, providing much greater flexibility in application. SIT9005ACU1D-30EG is a programmable oscillator specifically designed to meet the needs of engineers and technicians seeking a precise and reliable signal source, making it an ideal choice for a variety of engineering and design applications.

Application Field and Working Principle

SIT9005ACU1D-30EG can be used in diverse applications such as RF and microwave, signal generation, data communications, and avionics. It is designed to provide precise signal sources that are reliable and easy to use, making it an ideal choice for engineers and technicians.The programmable oscillators are built with a ceramic-film electronic element called a crystal, which resonates at a particular frequency when an electrical voltage is applied to it. This frequency is determined by the dimensions of the crystal and can be further modified by changing the capacitance of external components surrounding it. The SIT9005ACU1D-30EG utilizes a Wideband Frequency Synthesizer circuit to precisely adjust the capacitance of the crystal element, allowing for a much wider range of frequencies to be achieved than with conventional oscillators.

The Wideband Frequency Synthesizer circuit consists of two voltage-controlled oscillators (VCOs) and two comparators. The comparators are used to measure the frequencies of the two VCOs, and the circuit then adjusts the frequency of one of the VCOs to match the other, creating a precise and stable frequency source. This frequency can then be adjusted using a programmable controller, making it easy to modify the frequency of the signal generated.In addition to providing the ability to adjust frequency, SIT9005ACU1D-30EG provides the user with numerous other features such as a wide frequency range, low phase noise, and low distortion. All of these features make it an ideal choice for a variety of different applications. For example, it is often used in avionics, communications, and other industries that require reliable and precise signals to ensure safe operation.

Conclusion

The SIT9005ACU1D-30EG is a programmable oscillator that offers great flexibility and reliability for engineers and technicians. Its wide frequencies, low phase noise, and low distortion make it ideal for applications such as avionics, communications, and more. With its wideband frequency synthesizer circuit, adjustable frequencies can easily be obtained, ensuring precise and reliable signal sources for a variety of applications.

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