E-TA2012 T 4DB N4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Attenuation Value:	4dB
Frequency Range:	0Hz ~ 3GHz
Power (Watts):	63mW
Impedance:	50 Ohms
Package / Case:	0805 (2012 Metric)

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E-TA2012 T 4DB N4 Application Field and Working Principle of Attenuators

Attenuators are electronic components designed to reduce the level of electrical signals from one circuit to another. They are widely used in radio broadcast, telecommunications and other applications where signal amplification and noise reduction is required. In this article we will explore the application field and working principle of one particular attenuator type, the E-TA2012 T 4DB N4.

Application Field

The E-TA2012 T 4DB N4 attenuator is primarily used in applications requiring a high degree of signal reduction, such as in areas which require a high degree of electromagnetic interference shielding. This type of attenuator is particularly popular in applications involving multiple transmit paths and high frequency signals, due to its low noise characteristics. This allows for effective noise reduction and signal conditioning in applications where signal levels need to be kept low without introducing unacceptable levels of noise. This type of attenuator is especially popular for use in radio broadcast, where it helps to reduce both the thermal noise and the interference generated by other broadcasts. The E-TA2012 T 4DB N4 is also often used in broadband communications, as an additional means to suppress interference along with other technologies such as amplifiers and filters.

Working Principle

The E-TA2012 T 4DB N4 attenuator is a four-pole attenuator, using four pipes, sides A1, A2, B1 and B2, to reduce the signal level at each pole. Each pipe contains a particular orientation of the columns which cause a signal reduction when the signal reaches the gap between them. Each column is designed to give a particular signal reduction at a specific frequency or range of frequencies.The attenuator also includes a damping element and a controlling unit to reduce the signal transmission further before it reaches the output stage. The controlling unit is also used to adjust the signal reduction values to optimize noise reduction depending on the type of application, such as radio broadcasting or communications. In applications requiring more than one attenuator, the units may be connected in series to achieve higher signal reduction values. The damping element ensures that undesired signals generated by one attenuator do not enter the other, ensuring the signal reduction remains constant.

Conclusion

The E-TA2012 T 4DB N4 attenuator is a popular choice in applications where extreme noise reduction is required, especially in radio broadcasting and telecommunications. Its four-pole design allows for effective signal reduction while its damping element and controlling unit ensure that signal transmission remains consistent and free of noise. With all of its features and benefits, the E-TA2012 T 4DB N4 is a powerful and reliable tool for reducing signal levels and noise in both radio broadcasts and communications.

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