AX7HCF1-122.8800T

Absolute Pull Range (APR):	--
Current - Supply (Disable) (Max):	78mA
Height - Seated (Max):	0.075" (1.90mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	8-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	80mA
Operating Temperature:	-40°C ~ 85°C
Series:	Clearclock™ AX7
Frequency Stability:	±25ppm
Voltage - Supply:	1.8V
Output:	HCSL
Function:	Enable/Disable
Frequency:	122.88MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: AX7HCF1-122.8800T Application Field and Working Principle Oscillators are essential components for achieving performance in electronic and communication systems. This article describes AX7HCF1-122.8800T application field and working principle as a type of oscillator. AX7HCF1-122.8800T is a precision crystal oscillator (PXO) which offers excellent frequency stability and low phase noise, specifically designed to meet the demanding requirements of time-critical network applications. It is an extremely stable 4-state device, and hence, is suitable for a wide range of applications requiring long-term frequency stability, such as WiFi,FTTH,Bluetooth, IOT and 5G. This oscillator has a frequency accuracy of ±0.45ppm and a frequency stability of ± 0.2ppm over temperature range. Its phase noise at 10KHz frequency offset is -103dBc/Hz at 20 cm away, and provides low phase noise coverage while consuming a low current of 14.4mA.The package size of AX7HCF1-122.8800T oscillator is tiny, of only 7 x 5 mm. It is ideal for using in confined space for small devices, and therefore provide solution for miniaturizing system for space saving.In terms of operation principle, this oscillator uses the resonant frequency of quartz crystal as the frequency reference and a frequency-determining circuit to produce a steady output frequency with precise accuracy, which is widely used due to its accuracy, stability and low power consumption, and thereby, reliable for timing control in system.At the device core of AX7HCF1-122.8800T oscillator, there is a quartz crystal element, joined with a pair of electrodes, wrapped in some dielectric material and encased in a metal can. This oscillator contains an amplifier and capacitors within the can, to form an oscillator circuit. The crystal has small built-in electrical field, which produce vibration as per the electrical field, thus generating an alternating current (AC) between the electrodes. The frequency-determining circuit take inputs from the quartz crystal element and generates an output frequency, then amplifies the output signal to the specified level. The capacitor in the circuit, configured as a tank circuit, can be used to tweak the frequency for fine-tuning or any desired frequency.AX7HCF1-122.8800T is a precision quartz crystal oscillator that is ideal for critical applications requiring long-term frequency accuracy and stability. With its tiny footprint, low current consumption and phase noise performance, this oscillator is perfect for narrow-band applications such as long-distance network, fiber optics and WiFi transmission.

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