Dual Concentric Rotary Step Attenuator RSA-2570D
Source: Trilithic Inc.
The RA series dual concentric attenuators furnish high dynamic range and small step size in a single, ruggedized assembly. The outer control knob steps either in 1 dB or 10 dB increments while the inner knob clicks in either 0.1 dB or 1 dB steps, depending on the model selected. The units are ideal for panel, chassis, or bench applications where two or three separate attenuators would be prohibitive due to the available space.
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