SIT8008BI-23-18E-28.636360E

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	4mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	4.1mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT8008B
Voltage - Supply:	1.8V
Output:	HCMOS, LVCMOS
Function:	Enable/Disable
Frequency:	28.6363MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

Oscillators are electronic circuits that generate a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators are used in many applications, such as clocks, timers, radios and televisions. The SIT8008BI-23-18E-28.636360E is an example of an oscillator.

Application Field

The SIT8008BI-23-18E-28.636360E is a voltage- controlled oscillator (VCO) designed for use in digital and communication systems like cellular phones, wireless radios, and satellite navigation systems. The oscillator is specifically designed for transceivers, modems, media access units, Base transceiver radio station, and Global Positioning System (GPS) systems to provide clock and synchronization signals. It can also be used in any other application where a high-stability and reliable VCO is required. The oscillator operates with a supply voltage range of 1.8V to 3.3V, and provides an output clock signal of 0-500MHz.

Working Principle

The SIT8008BI-23-18E-28.636360E oscillator works on the principle of voltage controlled oscillators (VCOs). It is based on an analog circuit composed of inductors, capacitors, resistors, and other components. The basic circuit works by feeding a small voltage into the circuit which, due to the positive feedback loop, oscillates at a certain frequency. The frequency of the oscillations is controlled by the amount of the applied voltage which increases or decreases the amount of current passing through the circuit. This causes the voltage across the capacitor to increase or decrease and thus the frequency of oscillations also changes.In the SIT8008BI-23-18E-28.636360E oscillator, the voltage controlled oscillator (VCO) is composed of a differential amplifier and a voltage-controlled capacitance diode (VCD). The differential amplifier amplifies the input voltage and feeds the current to the VCD. The VCD is used to set the frequency of oscillations which is determined by the capacitance of the VCD which is controlled by the input voltage.The SIT8008BI-23-18E-28.636360E oscillator also has an integrated reference oscillator that is used to set the output frequency accuracy and stability. The reference oscillator is composed of an oscillator and frequency divider which divide the output frequency from the reference oscillator by 8, 16, 64, or 256. This results in an output frequency from 0-500MHz with accuracy and stability of up to 28.636360GHz.

Conclusion

The SIT8008BI-23-18E-28.636360E oscillator is a voltage-controlled oscillator (VCO) designed for use in digital and communication systems. The oscillator works on the principle of voltage controlled oscillators (VCOs) and is composed of an analog circuit composed of inductors, capacitors, resistors, and other components. The oscillator also has an integrated reference oscillator that sets the output frequency accuracy and stability to a maximum of 28.636360GHZ. The SIT8008BI-23-18E-28.636360E oscillator is suitable for use in transceivers, modems, and GPS systems.

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