Description
Satellite links, radar returns and 5G beams all push test signals into wide, high bands. The Keysight M9384B signal generator is a VXG vector source built for that territory. It reaches 44 GHz and offers up to 2 GHz of modulation bandwidth on one or two channels. Lost in HCM lists it for rental and sale, and it arranges service on request.

M9384B headline figures
| Maximum frequency | 44 GHz |
|---|---|
| Maximum modulation bandwidth | 2 GHz |
| RF outputs | Up to 2 |
| Output power at 1 GHz | 20 dBm |
| Phase noise at 1 GHz, 20 kHz offset | -137 dBc/Hz |
| Typical applications | 5G, satellite and wideband RF test |
One channel or two?
The listing covers both configurations, so state which one you want. A single channel suits receiver and component work. Two channels let you build coherent multi-signal scenarios, such as a MIMO link or a signal plus an interferer.
The same source can therefore serve a research group and a production lab. Still, the quote must name the exact configuration.
Why 2 GHz of bandwidth matters
Wideband waveforms need a generator that can modulate wide without distortion. With 2 GHz available, the Keysight M9384B signal generator can create wide 5G, satellite and radar waveforms. Integrated baseband generation and PathWave tools also help you build standards-based signals without a separate arbitrary waveform generator.
Purity and power
Low phase noise keeps the carrier clean, so a receiver test shows the device and not the source. The figure here is -137 dBc/Hz at a 20 kHz offset from a 1 GHz carrier. Output power reaches 20 dBm at 1 GHz, and an optional high-power configuration can add more headroom. Both figures are headline values, so check them against your band.
Where teams put it to work
- 5G NR and MIMO receiver testing.
- Satellite and aerospace waveform generation.
- Radar, electronic warfare and wideband RF research.
- Component, converter and system validation.
Quote checklist for the Keysight M9384B signal generator
List the channel count, the top frequency and the modulation bandwidth. Add the phase noise you can tolerate, the output power at the device and the standards you need to play. Then name the interfaces your automation uses. Lost in HCM supplies the equipment and gives the quote, while SMK Vietnam only shows the listing.
To rent or buy the Keysight M9384B signal generator, request a quote from Lost in HCM. You can also see the signal generator listings, visit Keysight or contact SMK Vietnam.
M9384B questions
Does every unit have two outputs?
No. The listing covers one- and two-channel configurations, so ask Lost in HCM to confirm the unit it quotes.
How high does the frequency go?
The maximum frequency is 44 GHz. Confirm the installed options and licenses in the quotation.
Is 20 dBm available at every frequency?
No. It is the output power at 1 GHz, so check the level you need in your own band.
















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