SIT9005ACL2G-28SG

Frequency Stability (Total):	--
Current - Supply (Disable) (Max):	4.3µA
Height:	0.030" (0.76mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
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:	2.8V
Output:	LVCMOS
Function:	Standby
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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Programmable Oscillators: SIT9005ACL2G-28SG Application Field and Working Principle

Programmable Oscillators are constantly evolving and making new strides in the field of precision oscillators. Programmable Oscillators have been used in mission critical projects such as aerospace, medical, and military applications, and as such have found wide use in a variety of areas requiring high levels of accuracy and control. The SIT9005ACL2G-28SG Programmable Oscillator is one such oscillator, and this article will cover its application field, features, and working principles.The SIT9005ACL2G-28SG is a high precision voltage-controlled crystal oscillator (VCXO) module with a frequency range of 2 GHz to 8 GHz. It features a highly accurate temperature compensated oscillator (TCOC), which provides temperature stability over a wide temperature range. Its low phase noise and low jitter performances make it ideal for precision timing, synchronization and test/measurement applications, as well as clock signal distribution across multiple platforms. It also offers an excellent signal-to-noise ratio for a wide range of measurement and control applications.The SIT9005ACL2G-28SG can be broadly used in many applications including high-end timing systems, satellite communications, microwave receivers, and professional imaging. As it is a high-performance programmable oscillator, it is ideal for applications requiring precision in signal generation and transference, in fields such as military, industrial, and scientific research.The SIT9005ACL2G-28SG employs a PLL circuit, wherein a voltage-controlled oscillator (VCO) is placed in a feedback loop with an external quartz crystal, utilizing the stability of the crystal, while still offering relatively fast response and low waveform distortion. The SIT9005ACL2G-28SG utilizes a quartz crystal element to minimize drift due to temperature changes.The SIT9005ACL2G-28SG has a wide tuning range, programmability, and fast settling time due to its dual-loop structure and temperature compensated crystal oscillator (TCCO). It provides an excellent pull range of ±500 ppm at a minimum, along with good jitter performance, making it a good fit for applications requiring precise control over a wide range of frequencies and signal timing.The SIT9005ACL2G-28SG employs a signal acquisition technique that utilizes a frequency locked loop (FLL) to acquire the signal from the external VCXO. The FLL is a closed-loop system that uses a phase-detector to measure the phase differences between the incoming signal and a reference signal. The FLL compares the reference signal to the incoming signal, and quickly adjusts the tuning voltage of the VCO to follow the dynamic input signal.The SIT9005ACL2G-28SG features a wide frequency range, low jitter and low phase noise, excellent signal-to-noise ratio and temperature controlled crystal oscillator. Its wide programming range of ±500 ppm, combined with its fast settling time and low waveform distortion make it an ideal candidate for precision timing, synchronization and test/measurement applications. It is also ideal for clock signal distribution across multiple platforms in aerospace, medical and military applications. Thanks to its features, the SIT9005ACL2G-28SG offers excellent performance and stability even in extreme environmental conditions.

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