SIT8208AC-31-28E-74.176000X

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT8208
Voltage - Supply:	2.8V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	74.176MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
Oscillators are electronic circuits that are used to generate a regular repeating signal waveform. Oscillators are often used in many applications, from creating sound and music to providing accurate timing references for digital systems. One type of oscillator is the SIT8208AC-31-28E-74.176000X, which is a Voltage Controlled Oscillator (VCO). VCOs are popular oscillator circuits used in systems and applications requiring a tunable frequency range. This article examines the application field and working principle of the SIT8208AC-31-28E-74.176000X oscillator.Application Field
The SIT8208AC-31-28E-74.176000X is a precision voltage controlled oscillator that is used in a wide range of applications that require variable frequencies. This oscillator can generate a frequency range of 0.176 to 74.176 MHz, which makes it ideal for a range of applications. For example, the SIT8208AC can be used in a synthesizer-based instrument, where its accuracy allows for precise tuning of musical notes and chords. It can also be used in telecommunications applications, such as hybrid fiber coaxial and Wi-Fi systems, where its wide frequency range is beneficial.Working Principle
The SIT8208AC-31-28E-74.176000X is a type of voltage-controlled oscillator (VCO) in which the frequency output is determined by an external voltage input. It is an integrated circuit (IC) with an internal configuration consisting of a Crystal Oscillator (XO), a Voltage-Controlled Oscillator (VCO), a divider circuit, and a phase/frequency logarithmic detector.The XO acts as a stable reference frequency or clock source, which the VCO uses to generate a frequency output. The divider circuit then takes the VCO output and divides it down to the required range. Finally, the phase/frequency logarithmic detector monitors the driver signal and converts it into a digital signal that can be read by the microcontroller. The external voltage input then modulates the frequency output of the VCO and the divider circuit, which allows for precise tuning of the device\'s frequency output.Conclusion
In conclusion, the SIT8208AC-31-28E-74.176000X is a precision voltage-controlled oscillator that is used in applications requiring variable frequency outputs. It consists of an integrated circuit with an internal configuration of an oscillator, a voltage controlled oscillator, a divider, and a phase/frequency logarithmic detector. The oscillator can generate a frequency range from 0.176 to 74.176 MHz, allowing for precise tuning structures. The SIT8208AC is used in a wide range of applications, such as musical instruments and telecommunications systems.

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