Description
Beamforming and MIMO tests need two signals that stay locked together. The Keysight M9383B signal generator gives you two phase-coherent RF outputs up to 44 GHz in a modular PXIe system. Lost in HCM lists it for rental and sale, so a team can book it for a validation campaign or ask about buying it.

M9383B at a glance
| Maximum frequency | 44 GHz |
|---|---|
| RF outputs | 2 phase-coherent channels |
| Maximum modulation bandwidth | 2 GHz |
| Maximum output power | 20 dBm at 1 GHz, headline value |
| Waveform memory | 1024 MSa |
| Form factor | Modular PXIe system |
Two coherent outputs, one purpose
Phase-coherent channels keep a fixed timing and phase relationship. Therefore, you can emulate two antenna paths or two arriving signals without drift between them. For example, a phased-array or MIMO receiver test needs exactly that. Because the generator is modular, it also fits into a larger PXIe test system.
Wideband waveforms for 5G and radar
A 2 GHz modulation bandwidth lets the instrument create wideband 5G, radar and custom waveforms. The listing covers 5G NR receiver work in both FR1 and FR2. In addition, PathWave signal-generation software supports standards-based and custom waveform creation. As a result, one platform can serve a communications team and a radar team.
Using the Keysight M9383B signal generator over the air
Over-the-air and amplifier setups lose power in cables and fixtures. The high output power helps make up for that loss. Still, the 20 dBm figure is a headline value at 1 GHz, so it will not hold across the whole range. Ask Lost in HCM for the configuration you will receive.
Jobs for this vector source
- 5G NR FR1 and FR2 receiver testing
- MIMO, beamforming and phased-array validation
- Power-amplifier and over-the-air characterization
- Aerospace, defense, radar and satellite waveforms
Rent or buy, then ask for a quote
A product validation phase or a defense study may need this source for a limited time. Renting suits those cases. A lab with a standing 5G program may prefer to own one. Lost in HCM supplies the equipment and gives the quote, while SMK Vietnam only shows the listing. To rent or buy the Keysight M9383B signal generator, request a quote from Lost in HCM, see the signal generator listings, visit Keysight or contact SMK Vietnam. Include the chassis, software and delivery site in your request.
M9383B questions
Does it need a PXIe chassis?
Yes, because it is a modular PXIe system. Confirm what the quote includes.
How many outputs does it have?
It has two phase-coherent RF channels.
Is the 20 dBm figure valid everywhere?
No. It is a headline value at 1 GHz, so check your frequency band.
















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