XLH735004.915200X

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.295" L x 0.205" W (7.50mm x 5.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	32mA
Operating Temperature:	-20°C ~ 70°C
Series:	XPRESSO™ FXO-HC73
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	4.9152MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators

An oscillator is any electronic or electrical circuit that produces a continuously repeating signal that exhibits a periodic or stable signal behavior. The output of an oscillator circuit can be either analog or digital in nature, depending on the type of oscillator used.One such type of oscillator is the XLH735004.915200X, a high frequency current-controlled oscillator (CCO). CCOs are characterized by their ability to generate signals of very high frequencies, commonly up to several gigahertz (GHz). The XLH735004.915200X is designed to operate at frequencies up to 10 GHz.

Application Field

The XLH735004.915200X is designed for applications including ultrawideband (UWB) receivers and transceivers, near-field communications (NFC), ultra-wideband time-hopping (UWTH) applications, and wireless local area networks (WLANs). In addition, the oscillator can be used in satellite and terrestrial radio applications, as well as wireless personal area networks (WPANs).

Working Principle

The XLH735004.915200X operates using a basic CMOS inverter and charge pump circuit. It is capable of receiving an input signal of up to 10 GHz and producing an output signal also of up to 10 GHz.The CMOS inverter is the primary circuit component of the oscillator circuit. The inverter is a device that converts an input signal from one voltage level to another; in this case, it converts the input signal of 10 GHz to a square wave output. This square wave output is then fed into a series of capacitors, which act as the charge pump circuit.The charge pump circuit is made up of a Joule-Thief inverter circuit, a set of coupling capacitors, and a bias current source. The Joule-Thief inverter is responsible for maintaining the desired frequency of operation and amplifying the square wave input signal into an output voltage. The capacitors and bias current source help to control the frequency of the output voltage.Once the output voltage is established, the oscillator is designed to maintain the output frequency within a very tight tolerance. This is achieved by the unique charge pump architecture, which uses a constant bias voltage to guarantee constant output frequency and no drift over time or temperature variations.

Conclusion

The XLH735004.915200X is a high-frequency current-controlled oscillator (CCO) designed to operate at frequencies up to 10 GHz. It is designed for applications such as ultra-wideband receivers and transceivers, near field communications, UWTH applications, and WLANs. The oscillator operates using a basic CMOS inverter and charge pump circuit to ensure stable output frequency over time and temperature variations.

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