USB / ETHERNET / RS232 / TTL Programmable Attenuator, 50Ω, 0 – 63 dB, 0.25 dB step, 100 - 18000 MHz


• High Frequency, 18 GHz
• Fine attenuation resolution, 0.25 dB
• Fast switching speed
• USB, Ethernet, RS232 and TTL control


Mini-Circuits’ RCDAT-18G-63 is a general purpose, single channel programmable attenuator suitable for a wide range of signal level control applications from 100 MHz to 18 GHz. The Attenuator provides 0 to 63 dB attenuation in 0.25 dB steps. Its unique design maintains linear attenuation change per dB, even at the highest attenuation settings.
The attenuator is housed in a compact and rugged package with 2.92 mm female RF connectors and USB type C, Ethernet (RJ45) and 15-pin D-sub control ports. The DC supply can be provided via the USB or D-sub ports.
The attenuator can be controlled via USB, Ethernet, RS232 or TTL (via D-Sub connector). Full software support is provided and can be downloaded from our website any time at http://www.minicircuits.com/softwaredownload/patt.html. The package includes 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).

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