637E74A3I3T Allicdata Electronics
Allicdata Part #:

637E74A3I3T-ND

Manufacturer Part#:

637E74A3I3T

Price: $ 1.93
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: CTS-Frequency Controls
Short Description: OSC XO 74.1758MHZ LVPECL SMD
More Detail: 74.1758MHz XO (Standard) LVPECL Oscillator 3.3V En...
DataSheet: 637E74A3I3T datasheet637E74A3I3T Datasheet/PDF
Quantity: 1000
1000 +: $ 1.73672
Stock 1000Can Ship Immediately
$ 1.93
Specifications
Frequency Stability: ±50ppm
Current - Supply (Disable) (Max): --
Height - Seated (Max): 0.079" (2.00mm)
Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case: 6-SMD, No Lead
Mounting Type: Surface Mount
Ratings: --
Current - Supply (Max): 88mA
Operating Temperature: -40°C ~ 85°C
Series: 637
Voltage - Supply: 3.3V
Output: LVPECL
Function: Enable/Disable
Frequency: 74.1758MHz
Type: XO (Standard)
Base Resonator: Crystal
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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Oscillators are essential components in many electronic circuits. They are used to generate regularly-spaced pulses of electrical current or to produce a steady waveform of constant frequency for communication, medical diagnosis, measurement, and so on. 637E74A3I3T is a type of oscillator which is highly effective in such applications.

Application field

637E74A3I3T oscillator is applicable in many electronic systems, since it is more efficient in frequency stability and less impacted by ambient environment. It is widely used in active filters, transceivers, radio equipment, frequency synthesizers, medical instruments, and other applications involving radio-frequency signals. For example, in the communications industry, 637E74A3I3T oscillator is applied in GSM (Global System for Mobile Communications) system, GPS system, WiMAX system, and emergency telephones.

Working Principle

637E74A3I3T oscillator works by utilizing a quartz vibrator and an amplifier to produce a steady waveform with constant frequency. The quartz vibrator is used to generate vibrations at a specific frequency based on its physical and dielectric properties. Then, the action of the oscillator relies on an amplifier to drive the quartz vibrator in such a way to obtain the desired frequency. The quartz vibrator is a resonant circuit composed of an inductor and a capacitor. The inductor and capacitor form a parallel resonator combined with the quartz and the amplifier. The amplifier amplifies the current and voltage of the resonator, and the quartz crystal oscillator generates the signal by means of the amplification to produce a steady waveform output.

In addition, 637E74A3I3T oscillators are equipped with a feedback system to ensure the oscillator remains stable. The feedback system constantly monitors the output frequency of the oscillator to ensure that the frequency is within the desired range. With the feedback system, the generated frequency is set to the specified frequency range through a method called dynamic frequency control. As a result, the output frequency is kept within the desired range even if the operating conditions such as temperature or voltage is changed.

Conclusion

In conclusion, 637E74A3I3T oscillator is a type of oscillator which is applicable in numerous electronic systems and it works by utilizing a quartz vibrator, an amplifier, and a feedback system to generate a steady waveform of constant frequency. Its outstanding characteristics, such as frequency stability, output amplitude, and feedback system, make the 637E74A3I3T oscillator a common choice in many frequency-sensitive applications.

The specific data is subject to PDF, and the above content is for reference

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