SIT8208AC-GF-28S-66.666000X

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	70µA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.106" L x 0.094" W (2.70mm x 2.40mm)
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:	Standby (Power Down)
Frequency:	66.666MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators — SIT8208AC-GF-28S-66.666000X

An oscillator is a type of electronic device typically used to generate sinusoidal waveforms. The SIT8208AC-GF-28S-66.666000X is a phase-locked loop (PLL) oscillator, specifically designed for frequency synthesis applications. This application field is a form of oscillator that can be used to generate a range of frequencies, rather than a single frequency as is the case with traditional oscillators.

Applications

The SIT8208AC-GF-28S-66.666000X is designed for mobile radiotelephones, as well as other communications systems that require varying frequency synthesis. This oscillator lends itself well to such applications because of its ability to precisely generate a range of frequencies with phase lock in both digital and RF applications. The tiny size of the SIT8208AC-GF-28S-66.666000X also makes it suitable for portable applications. With a footprint of only 1.8mmx1.5mm and a height of 0.8mm, this oscillator can fit in devices from cell phones to portable medical equipment and more.

Working Principle

The SIT8208AC-GF-28S-66.666000X is a PLL oscillator, meaning that it uses phase-locked loops to generate its output gain. In principle, a PLL is a negative feedback system. A signal is generated by the oscillator and is fed into a comparator, where it is compared to a reference signal. Any discrepancies are detected by the system and are used to adjust the input signal to correct for them. This system creates a stable output signal which keeps the oscillator in a state of steady oscillation. Furthermore, by adjusting the reference signal, the oscillator can generate a range of frequencies. This also allows for the creation of very precise output signals, since the comparator is very good at detecting even small discrepancies in the output signal.

Perks of Choosing the SIT8208AC-GF-28S-66.666000X

The SIT8208AC-GF-28S-66.666000X comes with a number of features that make it an attractive choice for applications that need highly precise frequency synthesis. The SIT8208AC-GF-28S-66.666000X generates extremely high frequency stability, with a complex synthesized output signal which can vary up to 17MHz in a single frequency step. In addition, the oscillator has an exceptionally low phase noise of only -75dBc/Hz at 100kHz. The device also has very low consumption, drawing only 9mA.The SIT8208AC-GF-28S-66.666000X also comes with various protection features, such as overload protection, undervoltage lockout, and thermal shutdown, making it a reliable choice for applications which require precision and reliability. Overall, the SIT8208AC-GF-28S-66.666000X is a versatile and reliable oscillator which can be used in a variety of frequency synthesis applications that require precision, reliability, and minimum size. It is a great choice for mobile radiotelephones, as well as other precision communications systems that require varying frequency synthesis.

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