USB / Ethernet Programmable Attenuator, 50Ω, 0 – 30 dB, 0.5 dB step, 0.1 to 30 GHz



Mini-Circuits’ RCDAT-30G-30 is a precision programmable attenuator covering an extremely wide bandwidth, from 0.1 to 30 GHz. Its unique design allows attenuation settings to be programmed from 0 to 30 dB, in 0.5 dB steps with monotonic attenuation change per dB, even at the highest frequencies and attenuation settings.
The attenuator can be controlled via USB or Ethernet, allowing control directly from a PC, or remotely over a network. Full software support is provided, including our user-friendly GUI application for Windows and a full API with programming instructions for Windows and Linux environments (both 32-bit and 64-bit systems).
This model also includes Mini-Circuits’ novel dynamic addressing daisy-chaining interface which allows multiple RCDAT-30G-30 attenuators to be connected together into a Master / Slave chain, with independent control of each attenuator channel through the single USB or Ethernet connection of the master unit and no need for the user to set addresses, or use any specialized control unit.


• Precision attenuation up to 30 GHz
• Fine resolution, 0.5 dB
• Fast transitions, 100 ns
• USB and Ethernet control
• Control up to 25 attenuators via a single interface via ‘Daisy Chain’ connection
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