SIT9002AC-03H33DD

Frequency Stability:	±25ppm
Height:	0.031" (0.79mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	84mA
Spread Spectrum Bandwidth:	±0.50%, Center Spread
Operating Temperature:	-20°C ~ 70°C
Frequency Stability (Total):	--
Series:	SiT9002
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	--
Available Frequency Range:	1MHz ~ 198MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Programmable oscillators are electronic circuits that generate electronic signals with a precise frequency. In recent years, extensive research has been conducted to develop and improve the performance of programmable oscillators.SIT9002AC-03H33DD is a type of programmable oscillator which provides an outstanding frequency stability over temperature and load conditions. This article will discuss the application field and working principle of SIT9002AC-03H33DD.ApplicationsSIT9002AC-03H33DD programmable oscillators have a wide range of applications, including telecommunications, avionics, medical equipment, industrial automation andembedded system. It can be utilized as a clock generator in high-speed digital systems and is also used in frequency synthesizers.In high-speed digital systems, SIT9002AC-03H33DD is used as a clock generator to generate signals of the desired frequency. It is also used in frequency synthesizers which require precise frequency output. In telecommunications, they can be used as clock sources in mobile phones, wireless base stations, etc. They can also be used as clock source in avionics systems. In embedded systems, SIT9002AC-03H33DD programmable oscillators are used in industrial controllers and medical instruments for accurate control and medical imaging.Working PrinciplesSIT9002AC-03H33DD programmable oscillators generate highly precise frequency signals by utilizing a voltage-controlled oscillator (VCO) core. This VCO provides the basic frequency for the oscillator. The VCO core is then combined with frequency-selecting elements such as capacitors and inductors to obtain the desired frequency output.The circuit is then instrumented with a feedback loop consisting of a phase comparator, a filter, and an amplifier which determines the frequency of the oscillator. The phase comparator compares the input and output signals of the VCO and generates an error voltage which is fed back to the VCO and adjusts its frequency accordingly. The filter and amplifier then normalizes the error voltage such that it is compatible with the controlling voltage supplied to the VCO and hence leads to precise frequency regulation.In addition, SIT9002AC-03H33DD is equipped with temperature compensation circuitry that ensures that an accurate output frequency is maintained even at varying temperatures. This is done by incorporating a temperature sensor in the circuit. The temperature sensor detects the temperature changes and then adjusts the controlling voltage of the VCO accordingly to maintain a constant output frequency.ConclusionSIT9002AC-03H33DD programmable oscillators provide an excellent frequency stability and are employed in a variety of applications ranging from telecommunications to industrial automation. They generate precise frequency signals by utilizing a voltage-controlled oscillator (VCO) core and a feedback loop. In addition, the oscillator is equipped with temperature compensation circuitry, which enables it to accurately maintain a constant output frequency even at varying temperatures.

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