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There are two impedance specifications for RF attenuators: 50 ohms and 75 ohms. The connector types are 2.4mm and 2.92mm 7/16 DIN 7mm BNC, F, N, SMA, and TNC, etc. The RF dB attenuation value of the attenuator ranges from 0 dB to 110 dB. The frequency range of coaxial attenuators is from DC to 50 GHz. The coaxial attenuator interface is divided into male and female heads, which can be bidirectional or directional depending on the rated power.
There are two impedance specifications for RF attenuators: 50 ohms and 75 ohms. The connector types are 2.4mm and 2.92mm 7/16 DIN 7mm BNC, F, N, SMA, and TNC, etc. The RF dB attenuation value of the attenuator ranges from 0 dB to 110 dB. The frequency range of coaxial attenuators is from DC to 50 GHz. The coaxial attenuator interface is divided into male and female heads, which can be bidirectional or directional depending on the rated power.
An attenuator is a circuit used to introduce a predetermined attenuation within a specified frequency range. Generally, it is indicated by the decibel number of attenuation introduced and the ohm number of its characteristic impedance. Attenuators are widely used in cable television systems to meet the level requirements of multiple ports. There are two types of attenuators: passive attenuators and active attenuators. Active attenuators are combined with other thermal sensitive components to form variable attenuators, which are used in amplifiers for automatic gain or slope control circuits. Passive attenuators have fixed attenuators and adjustable attenuators.
The technical specifications of RF attenuators include operating frequency band, attenuation amount, power capacity, return loss, and power coefficient. Common parameters: attenuation, VSWR, Maximum average power, power coefficient of insertion loss, maximum peak power, temperature coefficient, impact and vibration, frequency response of insertion loss, upper limit of operating temperature, deviation of nominal insertion loss, joint life, intermodulation distortion.
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