The Mod. N858 is a double attenuator housed in a one a one unit wide NIM module. The module does not require any power supply since it is made up of resistive cells. Attenuation ranges from 0 to 44.5 dB for each section (0.5 dB steps). Each section is provided with two LEMO 00 connectors, one for the input (50 ฮฉ impedance) and one for the output, and seven toggle switches for attenuation setting.
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LEMO connector 1U-wide lemo connector for Mod.N858 |
Consult our connectors reference page for technical information.
Packaging 1U-wide NIM unit
Number of sections: 2
Attenuation adjustable from 0 to 44.5 dB
Resolution 0.5 dB
Input impedance: 50 ฮฉ
I/O delay < 5 ns
Accuracy: 1%
Input bandwidth max 300 MHz
Max dissipated power (per section): 100 mW
Insertion loss: 0.1 dB