Keysight Technologies Inc. PXI-h Programmable Attenuator Module, DC-26.5 GHz, DC 3.3V, 5V, +/-12V
The Keysight M9168C is a PXI hybrid programmable attenuator module designed for use in automated test systems. It operates from DC to 26.5 GHz and provides programmable attenuation in 0.5 dB steps up to 101 dB. The module is compatible with PXI and PXIe hybrid slots, offering fast switching speed and high repeatability for precise signal level control. It is powered by DC 3.3V, 5V, and ±12V supplies from the PXI chassis. The M9168C is ideal for applications requiring wide frequency coverage, such as wireless communications, aerospace, and defense testing. Its compact PXI form factor enables high-density integration in multi-channel test setups, and it supports remote programming via standard PXI software interfaces.