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Crystals

Crystals have long been used in various applications. The 416F37422CDR is one such crystal, used for its reliable frequency stability over temperature ranges. It is a quartz crystal resonator operating in the temperature stability range of about +0.01 to -0.03 ppm. It is designed to be used in frequency control applications including oscillators and waveform generators. As such, its reliable frequency stability is highly sought after.

What is 416F37422CDR?

The 416F37422CDR is a temperature compensating crystal resonator manufactured by the company Epson Toyocom, who specialize in the production of crystals and oscillators. This crystal resonator operates in the range of 3.2 to 10 MHz and is a low-profile, hermetically sealed, 20mm x 16mm x 2mm, lightweight, quartz crystal package. It is manufactured with an overall frequency tolerance of ±0.10 ppm, a frequency stability of ±0.02ppm over a temperature range of -20°C to +85°C, and an operating temperature range of -40°C to +125°C.

Application Field and Working Principle

The 416F37422CDR is primarily used in the frequency control and timing application of oscillators and waveform generators. Oscillators are circuits which actively maintain a continuous waveform output voltage of a specific frequency. Waveform generators, also known as signal generators, are devices which are used to generate various types of electrical waveforms, including sine, triangular, and square waves. The 416F37422CDR can be used as the timing element in either of these two devices, providing them with the specified frequency accuracy and stability needed.

The 416F37422CDR operates similarly to other crystal oscillators using the age-old principle of piezoelectricity. In simple terms, when a voltage is applied to a quartz crystal and the voltage is at the correct frequency, the electric field causes the quartz to vibrate and thus create a mechanical wave. This causes the crystal to “ring” at the same frequency as the voltage that is applied. The frequency of the voltage determines the “resonant frequency” of the crystal, which is the frequency at which the crystal responds to the maximum amplitude when the correct voltage is applied.

The 416F37422CDR is designed to provide reliable frequency stability and accuracy over temperature changes by utilizing a special temperature compensation system known as “polyimide-coating”. By controlling the environment in which the thin film deposited on the surface of the crystal is grown, the crystal is able to maintain frequency accuracy even when exposed to a wide temperature range.

Conclusion

The 416F37422CDR is a quartz crystal resonator which provides stable frequency control in frequency control and timing applications such as oscillators and waveform generators. It utilizes the principle of piezoelectricity as well as its special temperature compensation system to provide reliable and accurate frequency over temperature changes. As such, it is highly sought after for its stable frequency and is ideal for applications that require reliable frequency accuracy and stability.

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