SIT8209AC-33-28E-133.333000Y

Frequency Stability:	±50ppm
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):	36mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT8209
Voltage - Supply:	2.8V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	133.333MHz
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 repeating patterns of electrical signals. In particular, the SIT8209AC-33-28E-133.333000Y is an oscillator specifically designed to generate a sinusoidal waveform with a frequency of 133.333 kHz. It is a valuable asset for a variety of applications, and its functionality is based on a few common oscillator principles.

Specification and Form Factor

The SIT8209AC-33-28E-133.333000Y is an SMD oscillator enclosed in a hermetically sealed case, which provides the requisite protection for the circuit from environmental factors. It is supplied in a 9mm x 5mm package. The maximum operating supply voltage is 5V while the maximum clock frequency is up to 150MHz. A typical supply current specification is 15mA and a typical supply voltage can be 2.5V to 5V. It also has a low jitter of 0.7ps rumored and a good stability of ±20ppm/year.

Operating Principle

The SIT8209AC-33-28E-133.333000Y relies on Phase-Locked Loops (PLLs) to create its waveforms. The basic idea behind PLLs is to compare the phase of a reference signal with that of a feedback signal. When the two signals match, they become “locked” together in the loop. This ensures that the frequency of the reference signal is the same as the frequency of the feedback signal. The SIT8209AC-33-28E-133.333000Y oscillator takes advantage of this phenomenon to generate its specific waveforms. It contains two basic components: a voltage-controlled oscillator (VCO) and a frequency divider. The frequency of the VCO is adjusted using an external voltage. The output of the VCO is fed into a frequency divider, which divides the frequency of the VCO’s output by an integer (usually 8 or 10). This divided frequency is then compared to the reference signal and “locked” with it. The frequency of the VCO is then adjusted until the two signals are equal. This output is a sinusoidal waveform with a frequency of 133.333 kHz.

Application Fields

The SIT8209AC-33-28E-133.333000Y oscillator can be used in a variety of fields due to its precise output and low jitter characteristics. It is used in radio communication systems, data communications, and consumer electronics. It can also be used for audio measurement, medical imaging, broadcast television, and audio applications.

Conclusion

The SIT8209AC-33-28E-133.333000Y oscillator is a valuable tool for many applications due to its innate stability and precision. Its output waveform is generated by a Phase-Locked Loop circuit and is thus highly accurate. Additionally, its low jitter capability makes it ideal for use in precise measurement systems. It is a valuable addition to any audio, data, or communication system where a sinusoidal waveform needs to be generated at 133.333 kHz.

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