XLH730028.636300X

Frequency Stability:	±100ppm
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):	35mA
Operating Temperature:	-20°C ~ 70°C
Series:	XPRESSO™ FXO-HC73
Voltage - Supply:	3.3V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	28.6363MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Strip

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Oscillators: XLH730028.636300X application field and working principle

Oscillators are electronic circuits which generate periodic, oscillating signals. Oscillators are divided into two main classes: frequency-agile and fixed frequency. Among them, XLH730028.636300X belongs to the fixed frequency oscillator.

XLH730028.636300X application field

XLH730028.636300X, as a fixed frequency oscillator, is mainly applied in data transmission devices and other similar equipment, which are related to communication, automotive electronics, telecommunications, consumer applications, and aerospace and defense. In particular, it supports switching frequencies between 16 and 300 MHz. XLH730028.636300X can be used to meet the demands of different applications. Firstly, in radio and communication systems, it can be employed to deal with the synchronization of monitors and provide dynamic digital frequency control. Secondly, in automotive infotainment, it can be used to provide pulse or sine wave synchronization signals for airbag simulation equipments. Thirdly, in consumer applications, it can be adopted to produce clocks and oscillating signals for clocks, displays, and gaming equipment. Finally, in aerospace and defense, it can be used to generate the control signals of phase locked loops and frequency synthesizers.

XLH730028.636300X working principle

XLH730028.636300X is a fixed frequency oscillator composed of two main parts: an oscillator and a drive unit. It utilizes cross-coupled inverting amplifier connections to provide the required gain and to generate the desired hysteresis. This in-phase oscillation state generates the appropriate frequency, which is stabilized through the combined effect of both the inductor’s self-resonance and the RC (resistor and capacitor) network.The drive unit of XLH730028.636300X mainly consists of a transistor pair and a voltage amplifying circuit. The oscillator’s output signal is applied to the base of the transistor, providing the current source to the its collector. This current then passes through inductor and the current discharged from the inductor, is connected to the emitter and the base of the transistor pair, creating the original oscillating state. This maintained oscillation state produces the desired output frequency.

Conclusion

In conclusion, XLH730028.636300X is a fixed frequency oscillator, mainly applied in the fields of communication, automotive electronics, telecommunications, consumer applications, and aerospace and defense. Its working principle is based on the in-phase oscillation and sustained oscillation, utilizing the appropriate combination of transistor, voltage amplifying circuit, inductor, and resistor and capacitor network.

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