Allicdata Part #: | FA-23820.0000MB-W-ND |
Manufacturer Part#: |
FA-238 20.0000MB-W |
Price: | $ 0.18 |
Product Category: | Crystals, Oscillators, Resonators |
Manufacturer: | Epson |
Short Description: | CRYSTAL SMD |
More Detail: | 20MHz ±50ppm Crystal 12pF 60 Ohms 4-SMD, No Lead |
DataSheet: | FA-238 20.0000MB-W Datasheet/PDF |
Quantity: | 1000 |
100 +: | $ 0.16380 |
Series: | FA-238 |
Part Status: | Active |
Type: | MHz Crystal |
Frequency: | 20MHz |
Frequency Stability: | ±30ppm |
Frequency Tolerance: | ±50ppm |
Load Capacitance: | 12pF |
ESR (Equivalent Series Resistance): | 60 Ohms |
Operating Mode: | Fundamental |
Operating Temperature: | -40°C ~ 85°C |
Ratings: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 4-SMD, No Lead |
Size / Dimension: | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
Height - Seated (Max): | 0.028" (0.70mm) |
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Crystals are one of the most important components in any electronics system. They are essential for determining the accuracy and stability of the system\'s operation. In particular, the FA-238 20.0000MB-W crystal is used in a wide variety of applications. This article will explore the application field and working principle of the FA-238 20.0000MB-W crystal.
The FA-238 20.0000MB-W crystal is a precision timing device capable of maintaining frequency drift within a extremely narrow margin. It is ideal for use in frequency control loops and mobile communication networks. This crystal is also suitable for use in oscillators which generate very low jitter or phase noise. The frequency stability of the FA-238 20.0000MB-W crystal is excellent, allowing it to maintain accuracies of ±0.5 ppm long-term and ±0.18 ppm short-term.
The FA-238 20.0000MB-W crystal has a wide application field due to its ability to precisely maintain frequency stability. It is widely used in precision time keeping systems including network devices, telecommunications equipment, GPS, base stations, and frequency control loops. This crystal is also popular in military equipment, specialty RF test systems, and frequency control instrumentation.
The working principle of the FA-238 20.0000MB-Wcrystal is based upon the piezoelectric effect. When a voltage is applied to the crystal, it vibrates at its resonant frequency. The frequency of this vibration is determined by the thickness and plate area of the crystal and is relatively unaffected by environmental factors such as temperature variations and external interference.
The oscillator circuit of the FA-238 20.0000MB-W crystal is designed to take advantage of this property. A circuit consisting of a capacitor, a resistor and the crystal is used to convert the electrical energy into a mechanical vibration. This oscillation is maintained with the help of a feedback loop which continuously adjusts the electrical input until the correct frequency is reached. The accuracy of the oscillator is determined by the frequency stability of the crystal.
In summary, the FA-238 20.0000MB-W crystal is a precision timing device capable of maintaining frequency stability within a very narrow margin. It is used in a wide range of applications and is particularly popular in telecommunications and precision time keeping systems. The working principle of the crystal is based upon the piezoelectric effect and the oscillator circuit takes advantage of this property to maintain the oscillation at a predetermined frequency.
The specific data is subject to PDF, and the above content is for reference
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