9C-26.000MAAE-T

Series:	9C
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	26MHz
Frequency Stability:	±30ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	12pF
ESR (Equivalent Series Resistance):	30 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-20°C ~ 70°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	HC-49S
Size / Dimension:	0.449" L x 0.189" W (11.40mm x 4.80mm)
Height - Seated (Max):	0.161" (4.10mm)

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Crystals 9C-26.000MAAE-T Application Field and Working Principle

Crystals 9C-26.000MAAE-T is a type of temperature compensated quartz oscillator (TCXO) which offers the advantages of high stability, wide temperature coverage and excellent output signal characteristics. The oscillator is designed for frequency control applications in radio telecommunications, fixed and mobile radio base station receivers, GPS receivers, and other mobile devices.

Design and Features

The Crystals 9C-26.000MAAE-T is built around an AT-cut crystal oscillator through the use of a MEMS (micro electro mechanical systems) device which offers improved performance over traditional crystals. The crystal oscillator is mounted in a hermetically sealed package which ensures superior reliability. The oscillator offers a wide range of operating temperature ranges from -25°C to +85°C and provides excellent frequency stability as low as ± 0.7ppm (normal temperature range). The oscillator also provides low phase noise and good jitter performance.The Crystals 9C-26.000MAAE-T has a high accuracy voltage controlled oscillator (VCO) with a calibrated frequency of 26.000MHz. It is well suited for high frequency applications, thanks to its low phase noise and low jitter characteristics. It also has a wide dynamic range with a low DC offset voltage and a load capacitance of 5pF – 18pF.

Application Fields

The Crystals 9C-26.000MAAE-T is suitable for a wide range of applications such as RF communications, cellular communications, GPRS, TDMA, WiMAX, and GPS. The oscillator’s high frequency output can be used in applications where high accuracy and reliability is required, such as base station control systems and fixed or mobile communications systems. It can also be used in other applications such as oscillators and frequency synthesizers, test and measurement equipment, and radar systems.

Working Principle

The Crystals 9C-26.000MAAE-T operates on the principle of temperature compensated crystal oscillator (TCXO). A quartz crystal is mounted in a hermetically sealed package and driven by a high accuracy VCO. The crystal oscillator is driven at a pre-determined frequency, 26.000MHz in this case. The oscillation frequency of the crystal is then accurately controlled by the VCO over a wide temperature range and voltage.The oscillator includes temperature compensation circuitry that ensures tight frequency stability over a wide temperature range. As the oscillator\'s temperature varies, the temperature compensation circuitry adjusts the VCO frequency to maintain the crystal oscillator\'s frequency at the same, predetermined frequency. As a result, the frequency output of the oscillator remains stable over a wide temperature environment.

Conclusion

Crystals 9C-26.000MAAE-T is a type of temperature compensated quartz oscillator (TCXO) which provides high frequency stability, excellent frequency accuracy and performance over wide temperature environments. It is suitable for a wide range of applications such as RF communications, cellular communications, GPRS, TDMA, WiMAX, and GPS. The oscillator is based on the principle of temperature compensated crystal oscillator (TCXO) and operates by adjusting the VCO frequency, over an adjustable temperature range, to keep the crystal oscillator’s frequency at a predetermined frequency.

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