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Radio antenna array 3148B
dipole

Radio antenna array - 3148B - ETS Lindgren - dipole
Radio antenna array - 3148B - ETS Lindgren - dipole
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Characteristics

Network
radio
Type
dipole
Frequency

Max.: 2,000 MHz

Min.: 200 MHz

Gain

20 dB

Description

ETS-Lindgren's Model 3148B Log-Periodic Dipole Array (LPDA) Antenna is specifically designed for making CISPR 16-1 measurements which require a 20 dB difference in the cross polarization rejection. This is achieved using an engineering design and manufacturing process that offsets all of the elements in a precision pattern. The excellent cross-polarization property ensures minimum measurement uncertainty for radiated emissions and normalized site attenuation measurement. The precision construction of the assembly of the boom and elements result in excellent VSWR and optimal phase relationship. The model 3148B log antenna features relatively constant linear gain (measures in far field without any sudden dips or bumps). A Type N connector is provided. Key Features High Gain Meets CISPR Cross Polarization Requirements Low VSWR Powder Coated Finish Individually Calibrated Frequency Range The frequency range of the model 3148B is 200 MHz to 2 GHz. This makes the 3148B ideal for CISPR 16 testing and other standards based on it, such as CISPR 25. High Gain The model 3148Bs design provides a balance between the shortest antenna and the highest possible gain, with a 5 dB average gain over its frequency. Low VSWR The choice of spacing between booms and the changing element diameter provide excellent impedance of the antenna. This results in a in low VSWR.

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