SIT8208AI-GF-18E-38.400000T

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	30mA
Height - Seated (Max):	0.032" (0.80mm)
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):	31mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT8208
Voltage - Supply:	1.8V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	38.4MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

Oscillators are electronic components typically used in many types of circuits, most notably in communication and timing applications. An oscillator translates a DC input signal, typically an externally applied voltage, into a steady, oscillating output signal. The output signal typically consists of a sinusoidal waveform, although other types such as square, triangle, and noise are also classified as oscillators. Depending on the application purpose, oscillators may be digitally controlled or be analog.

Application Field and Working Principle of SIT8208AI-GF-18E-38.400000T

SIT8208AI-GF-18E-38.400000T is an oscillator that is typically used in communication and timing applications. It is composed of an oscillator and a voltage controlled crystal oscillator (VCXO). It has a slow start up time, wide frequency range, and low phase noise. These features make it suitable for applications that require high stability and wide frequency range.The oscillator portion of SIT8208AI-GF-18E-38.400000T consists of an analog input, a frequency-tuning capacitor, a voltage-controlled resistor, and an output. A signal from an external voltage source is applied to the analog input. The external voltage source causes the voltage on the voltage-controlled resistor to decrease, resulting in an increase in resistance, and adjusting the frequency of the oscillator accordingly.The VCXO portion of SIT8208AI-GF-18E-38.400000T includes a crystal oscillator, a loop filter, an amplifier, and a charge pump. The crystal oscillator provides a highly stable reference frequency that is adjusted by the loop filter and amplified with the amplifier. The charge pump is used to generate the charge needed to stabilize the crystal oscillator. The output from the loop filter is then adjusted to the desired frequency.The SIT8208AI-GF-18E-38.400000T oscillator has a wide frequency range from 16.000 to 38.400000T. It is designed to operate in temperatures ranging from -40 to +85 °C with operating voltage of 3.3V. The oscillator has a minimum start-up time of 2 ms and also features fast lock time of 1 ms.

Conclusion

Oscillators are versatile components used in a wide variety of circuits. The SIT8208AI-GF-18E-38.400000T oscillator is an excellent choice for communication and timing applications that require precision, accuracy and wide frequency range. It is composed of an oscillator and VCXO, has a wide frequency range from 16.000 to 38.400000T and operates in temperatures ranging from -40 to +85 °C. It has a slow start-up time, fast lock time and low phase noise, all of which make it suitable for a variety of applications.

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