Series:	FC-13D
Part Status:	Active
Type:	kHz Crystal (Tuning Fork)
Frequency:	32.768kHz
Frequency Stability:	--
Frequency Tolerance:	±20ppm
Load Capacitance:	12.5pF
ESR (Equivalent Series Resistance):	75 kOhms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	3-SMD, No Lead
Size / Dimension:	0.126" L x 0.059" W (3.20mm x 1.50mm)
Height - Seated (Max):	0.015" (0.38mm)

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Introduction

Crystals are among the most important components in industrial and medical machines, as they are required for signal processing and frequency control applications. The FC-13D 32.7680KA-A crystal is a device that is widely used due to its wide range of output frequencies and its low operating temperature range. This article will explain the operating principle and applications of the FC-13D 32.7680KA-A crystal.

Overview

The FC-13D 32.7680KA-A crystal is a device composed of a quartz crystal, an oscillator circuit, and an amplifier. It is used in frequency controlling applications, such as in quartz watches and frequency-hopping radios. The crystal emits a specific frequency determined by the quartz in its circuit, usually between 32.7680 kHz and 32.7681 kHz, with +/- 20 ppm temperature stability. This frequency is fed into the amplifier, which increases the signal strength and makes it suitable for use with various circuits.

Working Principle

The working principle of the FC-13D 32.7680KA-A crystal is based on the ability of quartz crystals to oscillate at a precise frequency when a signal is applied. The quartz crystal consists of two plates of quartz that are aligned in the same direction, with a small gap between them. When an alternating signal is applied, the crystal will vibrate at a frequency determined by the spacing and thickness of the quartz plates. This is known as the resonant frequency of the quartz crystal. The FC-13D 32.7680KA-A crystal is then connected to an oscillator circuit that generates an alternating signal. This signal is fed into the quartz crystal, causing it to vibrate, thus creating a signal at the resonant frequency of the crystal, which is usually between 32.7680 kHz and 32.7681 kHz. This signal is then amplified by the amplifier, and the amplified signal can be used in various circuits.

Applications

The FC-13D 32.7680KA-A crystal is used in a wide range of applications, such as frequency-hopping radios, quartz watches, clocks, oscilloscopes, frequency counters, and other frequency-control equipment. It can also be used as an accurate timing device in computers, cell phones, and other digital devices. Due to its wide range of output frequencies and its low operating temperature range, it is a popular choice for these types of applications. The FC-13D 32.7680KA-A Crystal can be used in conjunction with frequency counter ICs such as the LMX2541 Clock Generator. This IC allows for high frequency resolution, which makes it ideal for applications that require precise timing. Simply connecting the clock generator IC to the crystal will ensure accurate timing, which can be used to control frequency and phase.The FC-13D 32.7680KA-A crystal is also used in frequency modulation (FM) radio receivers. The quartz crystal functions as a filter to eliminate unwanted signals, allowing only the desired frequency to pass through. This results in a higher quality audio output, resulting in improved sound quality.

Conclusion

In conclusion, the FC-13D 32.7680KA-A crystal is a device composed of a quartz crystal, an oscillator circuit, and an amplifier, and is used in frequency control applications such as quartz watches, frequency-hopping radios, oscilloscopes, and other frequency-control equipment. It is also used in computers, cell phones, and other digital devices as an accurate timing device. The FC-13D 32.7680KA-A crystal has a wide range of output frequencies and a low operating temperature range, making it a popular choice for these types of applications.

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