SIT9005ACU2H-30SK

Series:	SIT9005
Part Status:	Active
Base Resonator:	MEMS
Type:	SSXO
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Available Frequency Range:	1MHz ~ 141MHz
Function:	Standby
Output:	LVCMOS
Voltage - Supply:	3V
Frequency Stability:	±20ppm, ±25ppm, ±50ppm
Frequency Stability (Total):	--
Operating Temperature:	-20°C ~ 70°C
Spread Spectrum Bandwidth:	±1.42%, Center Spread
Current - Supply (Max):	6.5mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height:	0.030" (0.76mm)
Current - Supply (Disable) (Max):	4.3µA

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Programmable Oscillators – SIT9005ACU2H-30SK Application Field and Working Principle

Programmable oscillators, also known as clocks, are electronic devices that generate a stable, periodic signal. They are used in many electronic devices such as computers, radios and mobile phones. In some cases, programmable oscillators are used to provide an accurate timed reference for the system to operate by.The SIT9005ACU2H-30SK is a programmable oscillator that is available in a variety of configurations to meet specific applications. It is a low frequency, low phase-noise oscillator suitable for a variety of applications where extreme clock performance is required.The SIT9005ACU2H-30SK has a frequency range of 20KHz to 1MHz and its output type is sine wave. It features low phase-noise of −135dBc/Hz at 20KHz offset, low harmonic distortion and a high-impedance hysteresis output with 50Ω nominal. This oscillator has a current consumption of 50mA and a power dissipation of 250mW.This oscillator is ideal for communications, radio and television, automotive and signal processing applications. It is also suitable for medical, instrumentation and aerospace applications due to its high accuracy, stability, and low phase noise.The working principle of this oscillator is based on the principle of injection locking. This is a form of frequency locking or frequency synthesizing process, where an oscillator is forced to run at a frequency which is a multiple of the driving machine. This oscillator works by locking its internal frequency to an external input frequency and it will remain at this frequency through the injection-locking process.The injection locking process is achieved by a connection of two oscillators. In this case, the SIT9005ACU2H-30SK is connected to a source of external signal. The source of external signal is then amplified with a frequency-doubling circuit and then applied to the SIT9005ACU2H-30SK oscillator. The injection locking circuit takes the output of the external signal source, amplifies it and then applies it to the oscillator’s main frequency control loop. This causes the oscillator to be locked at the desired frequency.The SIT9005ACU2H-30SK oscillator has a wide range of applications due to its excellent frequency stability and low power consumption. It can be used in radio and television applications to produce accurate, synchronized audio and video signals. It can also be used in automotive applications for engine management and navigation systems. Furthermore, it is suited for precision measurement and medical equipment, as well as for instrumentation and aerospace applications where high accuracy, stability and low phase noise is required.In conclusion, the SIT9005ACU2H-30SK programmable oscillator is a low frequency, low phase-noise oscillator, ideal for many applications. Its injection-locking process ensures highly accurate and stable frequency output. This makes it suitable for a wide variety of applications such as communications, automotive, medical and aerospace applications. With its low power consumption and low harmonic distortion, this oscillator is ideal for use in various applications where extreme clock performance is required.

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