402F32012IJT

Series:	402
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Type:	MHz Crystal
Frequency:	32MHz
Frequency Stability:	±20ppm
Frequency Tolerance:	±10ppm
Load Capacitance:	9pF
ESR (Equivalent Series Resistance):	80 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.079" L x 0.063" W (2.00mm x 1.60mm)
Height - Seated (Max):	0.022" (0.55mm)

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Crystals: 402F32012IJT Application Field and Working Principle

Introduction

The 402F32012IJT is a type of dual crystal filter with a centre frequency of 37.391044 MHz. This single-ended resonator requires a 475 kHz bandwidth from 500 kHz to 975 kHz. It is designed to filter out undesired noise, impairments and interferences at the boundaries of a band and improve the signal-to-noise ratio. The 402F32012IJT is widely used in various communication systems, including cellular, satellite and radio-frequency (RF) applications. This article will discuss the application field and working principles of the 402F32012IJT crystal filter.

Application Field

The 402F32012IJT can be used in many electronic devices that require a filter. It is especially suitable for cellular, satellite and RF applications due to its high performance characteristics and wide frequency range.In cellular devices, the 402F32012IJT can be used to filter out and isolate undesired signals, allowing the device to receive only the desired signal. This increases the signal-to-noise ratio of the device and allows it to communicate with other devices more effectively.In satellite systems, the 402F32012IJT is typically used to filter out noise, impairments and interferences at the boundaries of the desired band. This allows the satellite system to receive only the desired frequency range, improving communication quality and accuracy.The 402F32012IJT can also be used for RF applications. By filtering out undesired signals, the 402F32012IJT helps to prevent interferences and improve the signal-to-noise ratio of the system. This allows the system to receive clearer and more accurate signals.

Working Principle

The 402F32012IJT is a type of dual-tuned crystal filter. It consists of two crystals; a series crystal, and a parallel resonator. The main function of the series crystal is to pass signals within the desired frequency range, while the parallel resonator is used to reject undesired signals outside of this range.The series crystal works by taking in a signal and passing it through a resonator. The resonator is tuned to a specific frequency, 37.391044 MHz in this case. As the incoming signal is passed through the resonator, it resonates at the desired frequency and passes through the filter, while signals outside of this frequency are rejected.The parallel resonator works in a similar manner, but instead of passing a signal through a resonator, it passes the signal through a network of capacitors, inductors and resistors. As the signal passes through this network, it resonates at the desired frequency and is allowed to pass through the filter, while signals outside of this frequency are rejected.

Conclusion

The 402F32012IJT is a dual-tuned crystal filter with a centre frequency of 37.391044 MHz. It is commonly used in cellular, satellite and RF applications, as it is capable of filtering out undesired noise, impairments and interferences at the boundaries of a band. The 402F32012IJT works by passing an incoming signal through a series crystal and parallel resonator to filter out signals outside of the desired frequency range.

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