SIT8208AC-81-33E-19.440000Y

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-20°C ~ 70°C
Series:	SiT8208
Voltage - Supply:	3.3V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	19.44MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are electrical circuits that generate a periodic signal and are essential components in many processes and applications. One such oscillator is a SIT8208AC-81-33E-19.440000Y. This oscillator is available in wide range of frequencies and has a frequency stability of -15 dB over a temperature range of -20C to +80C. It offers low power consumption, low phase noise, high performance, and low cost.

Application Field

One of the common applications of the SIT8208AC-81-33E-19.440000Y oscillator is in telecommunications systems. Its low power consumption and low phase noise make it ideal for applications such as basestation front-end transceivers and mobile base stations. Other applications include satellite communication, test and measurement equipment, television and radio broadcasting, radar systems, and DSL modems.

Working Principle

The SIT8208AC-81-33E-19.440000Y oscillator works on the principle of positive feedback. When an external voltage is applied to the oscillator, it produces a periodic waveform. This waveform is divided in two, and one part is fed back into the oscillator as a positive feedback signal. This positive feedback signal amplifies the original voltage and the waveform is amplified further, resulting in a sustained oscillation.The feedback signal is determined by the frequency of oscillation (also known as the "resonant frequency"). This frequency can be adjusted by controlling the magnitude of the feedback signal. This can be done by varying the capacitance or resonance inductance of the oscillator. By changing these values, it is possible to change the frequency of the oscillator from a few Hz to a few MHz.

Conclusion

The SIT8208AC-81-33E-19.440000Y oscillator is an electrical circuit that can be used in a variety of applications, including in telecommunications systems. This oscillator functions on the principle of positive feedback and works by amplifying an external voltage into a periodic, sustained waveform. By varying the capacitance or resonance inductance of the oscillator, its frequency can be adjusted over a wide range.

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