SIT9120AC-1B-XXE

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	35mA
Height:	0.031" (0.79mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	69mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT9120
Voltage - Supply:	2.25 V ~ 3.63 V
Output:	LVPECL
Function:	Enable/Disable
Available Frequency Range:	25MHz ~ 212.5MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable Oscillators

Programmable oscillators enable precision frequency synthesis that meets the requirements of various embedded applications and enable mass customization of frequency-dependent designs without impacting cost or availability. The SIT9120AC-1B-XXE is a simple yet powerful programmable oscillator designed for applications with a single-ended output. The SIT9120AC-1B-XXE is equipped with an integrated frequency-control unit (FCU) and an internal memory that can store and read programmable parameters for up to eight user-programmed frequencies. The FCU is designed to provide frequency stability over a wide range of environmental conditions, which makes it suitable for a variety of applications. The oscillator can be programmed to produce a signal that has a frequency range of 80.000 MHz to 1,200.00 MHz, and it can output single-ended or differential signal. The signal output is tunable to the desired frequency via a programmable digital tuning feature. The digital tuning feature allows the oscillator to be programmed to a frequency that is within the specified range, much like a voltage regulator.In addition to its frequency tuning feature, the SIT9120AC-1B-XXE also offers fast frequency settling time, low power consumption and a wide temperature range of operation. These features make the oscillator suitable for a variety of complex and demanding applications, such as ultra-low phase noise synthesized signal sources, phase-locked loops, microcontroller clock networks and embedded systems. The SIT9120AC-1B-XXE can be used in a variety of applications, including radio communication, microwave radio, Wi-Fi systems, point-to-point wireless systems and satellite navigation. Its working principle is based on the use of a voltage-controlled oscillator (VCO) to generate the desired frequency. The VCO takes an input voltage and produces an output frequency that is proportional to the input voltage. The SIT9120AC-1B-XXE has an internal VCO with an adjustable frequency range from 80.000 MHz to 1,200.00 MHz.When the oscillator is programed with the desired frequency, an oscillator output signal is generated. The output signal may be programmed to be single-ended or differential, depending on the application’s requirement. The frequency of the output signal can be adjusted by applying a DC voltage to the control input of the VCO. The VCO’s response to the control voltage is programmed into the internal memory of the SIT9120AC-1B-XXE, so that the oscillator is automatically tuned to the desired frequency when the control voltage is applied.As the SIT9120AC-1B-XXE utilizes an integrated FCU and internal memory, the programming time and complexity are reduced significantly. This makes the oscillator ideal for applications that require multiple programmable frequencies and a wide frequency range. The frequency tuning capability of the SIT9120AC-1B-XXE is also advantageous as it enables rapid frequency tuning and high frequency accuracy. The SIT9120AC-1B-XXE is a highly reliable oscillator delivering precise frequency tuning and excellent frequency stability. This makes it an ideal choice for a wide range of demanding applications. Its simple programming and integration into embedded systems provide solutions for a variety of frequency-dependent applications.

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