AX7MCF2-880.0000T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	67mA
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):	68mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	Clearclock™ AX7
Voltage - Supply:	1.8V
Output:	CML
Function:	Enable/Disable
Frequency:	880MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to Oscillators

An oscillator is a circuit or device which produces a repetitive signal with a periodic waveform such as a sine wave, square wave, or sawtooth. Oscillators are commonly used in electronic devices for generating electrical signals at a certain frequency, for controlling devices, and in communication systems for modulating a carrier signal.

Classification of Oscillators

Oscillators can be classified into two categories based on their operating principle: harmonic oscillators and relaxation oscillators. Harmonic oscillators use springs, capacitors, or inductors as their components, while relaxation oscillators use resistors and capacitors.In addition, oscillators can also be classified according to their frequency range, such as sub-Hertz oscillators, low-frequency oscillators (below 10 MHz), medium-frequency oscillators (10 MHz to 1 GHz), and high-frequency oscillators (above 1GHz).

AX7MCF2-880.0000T Oscillator

The AX7MCF2-880.0000T is an ultra-low power temperature compensated MEMS oscillator IC (TCXO) which is designed for use in handheld and battery powered devices. It is a medium-frequency oscillator with an output frequency of 880.0000MHz.The AX7MCF2-880.0000T has extremely low power consumption and offers excellent frequency stability over wide temperature ranges from -40°C to 85°C. It has a typical current consumption of 1.8mA while operating in a 3.3V supply voltage.

Applications of AX7MCF2-880.0000T

The AX7MCF2-880.0000T is suitable for many application fields such as wireless base stations, mobile phones, radio modems, and cable modems. The device is also used in automotive communication systems, multimedia, GPS, and aviation applications.

Working Principle of the AX7MCF2-880.0000T

The AX7MCF2-880.0000T is a temperature compensated MEMS oscillator which uses a quartz crystal resonator as its main component. The resonator is connected to a controlling oscillator circuit which is temperature compensated by the internal thermistor.The oscillator circuit works by driving the quartz crystal resonator with an alternating current signal at a frequency controlled by the thermistor. The thermistor senses the temperature of the crystal and adjusts the driving frequency accordingly to ensure a stable output frequency over a wide temperature range.

Conclusion

The AX7MCF2-880.0000T is a medium-frequency temperature compensated MEMS oscillator IC which is suitable for many application fields such as wireless base stations, mobile phones, radio modems, and cable modems. The device is powered by an extremely low current and offers excellent frequency stability over a wide temperature range. It works by driving a quartz crystal resonator with an alternating current signal at a frequency controlled by the internal thermistor.

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