The Keysight E8257DV08 is a millimeter-wave frequency extension module that expands the capabilities of select Keysight and Agilent signal generators into the 90–140 GHz band. Manufactured by VDI, Inc., this WR8.0 waveguide-based extender delivers +9 dBm typical output power while preserving the frequency accuracy and resolution of the host generator. It integrates directly with the E8257D PSG, E8267D PSG, N5183B MXG, and N5173B EXG, enabling pulse, FM, and phase modulation at millimeter-wave frequencies through unified host control and display.
– Technical Specifications
• Frequency Range: 90 to 140 GHz
• Output Power: +9 dBm (typical)
• Output Port: WR8.0 waveguide
• Power Supply: 9 V DC
• Modulation Modes: Pulse, FM, and phase modulation (ΦM)
– Key Features
• Direct frequency control and display via host signal generator
• Maintains frequency accuracy and resolution of connected PSG/MXG/EXG platform
• Integrated 9 V DC power supply
• Designed and manufactured in collaboration between VDI, Inc. and Keysight Technologies
– Compatible Signal Generators
• Keysight E8257D PSG
• Keysight E8267D PSG
• Keysight N5183B MXG
• Keysight N5173B EXG
– Typical Applications
Millimeter-wave test signal generation for automotive radar, 5G/6G component characterization, satellite communications, and W-band sensor development. The extender module is ideal for applications requiring integrated modulation control and precise frequency tuning in the 90–140 GHz window.
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