AT-1003(40)

Series:	--
Packaging:	Bulk
Part Status:	Active
Attenuation Value:	3dB
Frequency Range:	0Hz ~ 8GHz
Power (Watts):	10W
Impedance:	50 Ohms
Package / Case:	SMA In-Line Module

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Attenuators

An attenuator is a device whose main purpose is to reduce the power of a signal without materially altering any of its other characteristics. Attenuators are usually passive devices that employ resistors, capacitors, or both, to absorb part of the signal energy. The end result is a signal of lower amplitude, and it is important to realize that the frequency response of the attenuated signal remains unchanged.

AT-1003(40) Application Field and Working Principle

The AT-1003(40) is a type of waveguide-based attenuator for microwave signal transmission and is designed to be used in a variety of application fields, including cellular base stations, radar, point-to-point radio links, and satellite ground terminals. The AT-1003(40) typically offers between 10 dB and 30 dB of attenuation and operates over the frequency range of 40 to 100 GHz.The AT-1003(40) is basically a waveguide and resistor element combination that has a low VSWR of 1.25:1 max. The wideband design eliminates any need to adjust the VSWR over a wide frequency range. The internal resistor element is a conductive metal layer suspended above the ground plane, which results in minimal losses and allows for a low-profile structure. The power handling capacity of the AT-1003(40) is typically 3 Watts, making it ideally suited for applications in medium power transmission.The AT-1003(40) is constructed using a waveguide choke-balun configuration which allows for consistent electrical performance regardless of the orientation of the waveguide port. The balanced configuration ensures there are no common-mode currents, thus minimizing the effects of feeding losses. The electrical performance of the AT-1003(40) is stable over a wide frequency range and offers a low insertion loss. The combination ensures that the attenuation value of the AT-1003(40) signal remains the same regardless of the orientation of the waveguide port.The construction and mounting of the AT-1003(40) are straightforward and require minimal external components. The input waveguide port can be connected directly to the antenna using the waveguide choke-balun arrangement. This arrangement facilitates easy connection without external components or significant wiring. The mounting of the AT-1003(40) is similar to other waveguide-based components, which require flanges and clamps, or TRIMS, for connection to the waveguide assembly.Overall, the AT-1003(40) is an ideal solution for attenuating signals in microwave applications. Its robust design, low profile, and wideband signal attenuation capabilities make it an ideal choice for use in a variety of applications, such as cellular base stations, radar, point-to-point radio links, and satellite ground terminals. The combination of low VSWR, low insertion loss, and consistent performance over a wide range of frequencies make the AT-1003(40) an attractive solution for all types of microwave system applications.

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