445I25G14M31818

Series:	445
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	MHz Crystal
Frequency:	14.31818MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±20ppm
Load Capacitance:	30pF
ESR (Equivalent Series Resistance):	50 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Height - Seated (Max):	0.053" (1.35mm)

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Crystals: 445I25G14M31818 Application Field and Working Principle

Crystals are essential components for electronic products that create or store signals. Crystals are miniature pieces of quartz, or some other crystals known as piezoelectric materials. This article examines the application field and working principles of the type of crystal oscillator designated as “445I25G14M31818”.

Application Field

The 445I25G14M31818 crystal oscillator is designed primarily for electronic audio and radio communications applications. It is especially useful for systems that require consistent signal outputs of up to 10.00MHz; it also works well in constructions requiring rectangular-shaped signal pulses.This crystal oscillator offers a stable signal despite its small package size, which makes it an ideal choice for use in portable electronics. Furthermore, its multiple power supply and ground pins allow it to be used in various network systems, including point-to-point connections and Ethernet systems. The 445I25G14M31818 crystal oscillator is also suited to portable device applications due to its low current consumption. Furthermore, its lowest frequency range is 0.3 MHz; and it is capable of supporting a temperature operating range of 0°C to +70°C, meaning it can be used in a wide environment range from cold to medium environments.

Working Principle

The 445I25G14M31818 crystal oscillator operates in the same manner as other crystal oscillators. Its frequency is determined by the cut and shape of the crystal, as well as any external capacitors and resistors connected to the oscillator circuit.A schematic for the oscillator is as follows: The crystal is connected between two pins (or pads) and receives an excitation voltage from a drive. The drive is usually an amplifier (external or built into the oscillator package), which amplifies the signal before it is transferred to the crystal. The amplified signal is reflected back, but slightly altered due to the inherent characteristics of the crystal. This reflected signal is then returned to the amplifier and amplified again, producing a signal of consistent bandwidth and frequency. The frequency of the signal generated by the oscillator depends on the value of the external capacitors and resistors connected to it, as well as the shape and size of the crystal itself. At the base frequency, a compensation capacitor can also be used to improve signal stability, while a balance capacitor will reduce power consumption.

Conclusion

The 445I25G14M31818 crystal oscillator is a highly efficient and versatile component for electronic designs that require a signal output of up to 10 MHz. It offers a wide range of benefits, including its small package size, low current consumption, and wide operating temperature range. Its range of applications make it an ideal choice for use in audio, radio, and portable devices. Additionally, its frequency can be adjusted through the use of external capacitors and resistors, as well as the shape and size of the crystal itself.

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