Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	35mA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	69mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	±95ppm
Series:	SiT3821
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	156.25MHz
Type:	VCXO
Base Resonator:	MEMS
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Oscillators: SIT3821AI-1D3-33EG156.250000Y

Introduction

Oscillators are electronic circuits that generate periodic waveforms. These periodic waveforms can be used for a variety of purposes, such as controlling the speed of certain electronic devices, or providing a clock input for digital logic circuits. The SIT3821AI-1D3-33EG156.250000Y is an oscillator that works at 156.25MHz, and has a wide variety of applications in the automotive, communications and medical industries.

Design

The SIT3821AI-1D3-33EG156.250000Y is a HCMOS oscillator with two outputs, A and B. The A output produces a square wave, while the B output produces a triangular wave. Both outputs are logic compatible, with a logic-low level output of 0.1V, and a logic-high level output of 3.3V. The frequency range of the SIT3821AI-1D3-33EG156.250000Y is 156.25MHz ± 500KHz, and the the frequency stability tolerance is ±100ppm. The average supply current is 350µA, with a maximum supply voltage of 4.0V. The maximum jitter level of this oscillator is 500ps.

Applications and Working Principle

The SIT3821AI-1D3-33EG156.250000Y has a wide range of applications in various industries, including automotive, communications, and medical. In the automotive industry, the oscillator can be used in high-speed audio processing and radio control systems. In the communications industry, it can be used in high-speed data transmission systems such as WLAN and WiMAX. In the medical field, it can be used in medical imaging systems, such as CT scanners and MRI machines.The working principle of the SIT3821AI-1D3-33EG156.250000Y oscillator is based on its HCMOS design. It consists of two logic gates, which are interlocked in a way that causes them to switch back and forth at a periodic rate. The two outputs of the logic gates are then coupled together, which produces the periodic output waveforms. The frequency of the oscillations is determined by the ratio of the values of the two logic gates, which can be adjusted to achieve the desired frequency.

Conclusion

The SIT3821AI-1D3-33EG156.250000Y is a high-speed HCMOS oscillator, with a frequency range of 156.25MHz ± 500KHz and a frequency stability tolerance of ±100ppm. It has a wide range of applications in different industries, such as automotive, communications and medical. The working principle of the oscillator is based on its two interlocked logic gates, which produce a periodic output waveform. The SIT3821AI-1D3-33EG156.250000Y oscillator is a reliable and cost-effective solution for high-speed signal processing applications.

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