SIT9005ACL1G-30NN

Frequency Stability:	±20ppm, ±25ppm, ±50ppm
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:	-3.71%, Down Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SIT9005
Voltage - Supply:	3V
Output:	LVCMOS
Function:	--
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

Programmable oscillators are a type of electrical device that generates an output signal with a predetermined frequency range, usually determined by a single set of control inputs including voltage and/or current. These oscillators, along with their associated circuitry, form the building blocks of systems and products. Oscillators can be analog or digitally controlled, and are used in a variety of applications in both defense and communications industries. The SIT9005ACL1G-30NN programmable oscillator is a one-of-a-kind device specifically designed to meet the needs of modern defense and communications applications. This oscillator is rated at 1 Gigahertz, 3.2 Volts, 30 nanoseconds, and can fit the requirements of many high-performance applications. It is packaged in a 5 x 7 mm ceramic SMD package, and operates in a wide range of temperatures, from -55°C to +125°C.The SIT9005ACL1G-30NN programmable oscillator employs an advanced CMOS technology that provides high output frequency stability, and requires no external components. It has an extremely low power consumption of only 250µW, and can be operated from a single voltage supply. It also has a wide frequency range of 0.1 Hz to 1.2 GHz, and can be programmed with a digital interface.The SIT9005ACL1G-30NN programmable oscillator provides a cost-effective solution for high-performance defense and communications applications. It can be used in airborne or satellite communications, and provides excellent reliability and durability. It is also suitable for use in a wide range of industrial, medical and commercial applications.The working principle of the SIT9005ACL1G-30NN programmable oscillator is based on a coupled-resonator oscillator design, which uses two resonators in the same circuit. The oscillator employs two varactor diodes to couple the two resonators. The two resonators are tuned to oscillate at a given frequency by adjusting the capacitance of the diodes. The oscillator also incorporates an active analog voltage-controlled phase-locked loop (VCO-PLL) circuit, which provides a phase shift between the oscillator\'s output frequency and the reference frequency. This phase shift is controlled by an external voltage. The analog VCO-PLL is also used to accurately adjust the center frequency of the oscillator. The SIT9005ACL1G-30NN programmable oscillator utilizes a digital phase-locked loop (DPLL) circuit to detect and track the changes in frequency of the oscillator. The DPLL circuit is used to quickly lock the oscillator\'s output frequency to the reference frequency, regardless of the input voltage. This allows the SIT9005ACL1G-30NN to maintain a constant output frequency over a wide range of input voltages.In conclusion, the SIT9005ACL1G-30NN programmable oscillator provides a cost-effective and reliable solution for a wide range of defense and communications applications. It utilizes an advanced CMOS technology and a coupled-resonator oscillator design to provide a wide output frequency range and high stability. The oscillator also incorporates a VCO-PLL and DPLL circuit which allows the device to accurately adjust the center frequency and provide a fast lock to the reference frequency regardless of input voltage.

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