MP147A-E

Series:	MP
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	14.7456MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	20pF
ESR (Equivalent Series Resistance):	25 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/U
Size / Dimension:	0.427" L x 0.150" W (10.85mm x 3.80mm)
Height - Seated (Max):	0.530" (13.46mm)

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Introduction

Crystals are a type of physical material that can control the flow of electrical currents and signals in electronic components. MP147A-E crystalline materials used in various electronic product application fields, such as radio frequency oscillator, power amplifiers, power supply, low noise amplifiers and more. Crystal oscillators has become part of many electronic applications, ranging from portable devices such as mobile phones, automotive, computer and military systems to scientific instruments and communication systems. This article examines the application field of MP147A-E and the working principle behind it.

Application Field

MP147A-E crystals are used in a variety of applications, such as automotive, telecommunications, computers, and consumer electronic products. In automotive applications, MP147A-E oscillators are used in distributed ignition systems, as well as in advancing and retarding the spark in fuel injection systems. In telecommunications, they are used in radio transceivers, including GSM and CDMA cellular phones. In computers, they are used in disk drives and motherboards, and in consumer electronics, they are used in games consoles, audio systems, and digital TV receivers.The MP147A-E oscillators are also used in space applications, such as satellite navigation systems, missile guidance, and weather forecasting. It is also used in power supply systems for radios and other devices, and in medical equipment, such as Ultrasound and EEG machines. Its high levels of stability make it a popular component in precision clock and time-keeping systems.

Working Principle

The crystal material of MP147A-E contains two electrodes (an anode and a cathode) connected to a quartz crystal. The two electrodes act as capacitors, allowing a DC electric current to be passed between them. As the current passes through the crystal material, an AC voltage is produced that vibrates the quartz crystal, creating a mechanical resonance. This resonance frequency is the same as the natural frequency of the crystal.The vibrating quartz crystal generates an AC electric signal that is delivered to the electrodes, as well as a radio signal at the resonance frequency. The AC electric signal is then amplified and passed through a filter to reject any unwanted frequencies. This AC signal is then used to control the carrier frequency of the radio signal, and the amplitude is used to modulate the signal.

Conclusion

MP147A-E is a type crystalline material, which are widely used in many electronic applications. These crystals have become an important component due to their reliability, stability and accuracy. They are used in automotive, telecommunications, computers and consumer electronics, as well as in space applications, power supply systems and medical devices. The working principle of an MP147A-E crystal involves the vibrating quartz creating a resonance frequency, which is amplified and used to control the carrier frequency of radio signals.

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