4108-6DB

Series:	--
Packaging:	Bulk
Part Status:	Active
Attenuation Value:	6dB
Frequency Range:	1.1MHz ~ 8GHz
Power (Watts):	2W
Impedance:	50 Ohms
Package / Case:	BNC In-Line Module

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Attenuators are commonly used in a variety of applications, ranging from signal conditioning in radio communications to voltage division for various equipment. The 4108-6DB is a 50-ohm dB attenuator, widely used in RF, microwave and millimeter-wave communication systems. This article examines the application field and working principle of the 4108-6DB.The 4108-6DB is a wideband, directional attenuator with a nominal attenuation between 5 to 26dB. It is designed with a maximum VSWR of 1.23:1 and operates between 350 to 4000MHz. In order to achieve consistent attenuation performance over its wide frequency range, the 4108-6DB is constructed with off-center models which is designed with a center dielectric section, as well as an outer dielectric and metal radials which dampen the signal. The material selected for the center dielectric must ensure low losses and a uniform modulation level. Therefore, the combination of off-center models and dielectrics ensure that the attenuation is maintained, regardless of frequency range.This attenuator is typically used in high frequency applications, such as communications systems or military electronics. In these applications, the attenuator is used to reduce the level of the received signal, to prevent the receiver from being overloaded. By reducing the signal’s power, the receivers will not sustain any damage, allowing for reliable operation. Additionally, the 4108-6DB attenuator is an ideal choice for precision test and measurement systems, in which low loss and high accuracy attenuation are required.The 4108-6DB employs a two-port design, with each port being connected to a resistor for signal attenuation. The combination of resistors and off-center lines allows for precise attenuation across a variety of frequency bands. The resistor used for the rear port is connected to ground, and is used to ground the incident signal. The front port is connected to a resistor with an impedance equal to the return loss of the system. The resistors are closely spaced together to ensure that both paths experience equal resistances, thus providing consistent attenuation levels across the frequency range.The 4108-6DB also operates using a 50-ohm impedance line, which ensures that the gain or loss of the system is consistent, regardless of the type of signal being used. The impedance line also reduces the amount of noise in the system, as it prevents power from being lost or transmitted to other components. The combination of the 50-ohm impedance line and the resistor configuration allows for precise levels of attenuation.In conclusion, the 4108-6DB direction dB attenuator is an ideal choice for high frequency applications which require precise attenuation. The combination of off-center models, dielectric materials and resistors ensures that the attenuation remains consistent throughout the frequency range. The 50-ohm line also contributes to better signal transmission, as it prevents power losses and noise. This allows for reliable operation, even in harsh environments.

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