Description
Optical links ask for a different kind of scope. The Keysight N1000A DCA-X oscilloscope is a modular equivalent-time mainframe that takes electrical, optical and TDR/TDT modules. Lost in HCM lists it for rental and sale in Vietnam, with service on request.

What equivalent-time sampling means
An equivalent-time scope rebuilds a repeating signal from many passes. It does not capture a single event. As a result, it reaches very high bandwidth and low jitter, which suits eye diagrams on repeating data patterns.
Mainframe specifications
| Item | Listed value |
|---|---|
| Architecture | Equivalent-time sampling mainframe |
| Maximum bandwidth | Over 100 GHz, module dependent |
| Channels | Up to 16 electrical and optical |
| Maximum sample rate | 250 kSa/s |
| Intrinsic jitter | 90 fs rms, mainframe specification |
| Optical wavelength range | 1250 nm to 1650 nm, module dependent |
The modules decide what the system can do, so installed hardware changes performance. Therefore, treat the table as a mainframe ceiling, not a promise for every setup.
Modules and FlexDCA software
On the Keysight N1000A DCA-X oscilloscope, the photo shows four numbered module bays on the right and a trigger input below the display. FlexDCA software then covers waveform, jitter, mask and compliance workflows. In addition, the source says low jitter and noise improve eye-diagram and timing analysis. Because modules carry the electrical or optical front end, two quotes for the same mainframe can differ widely. Therefore, state each module, wavelength and channel count you expect.
Work for the Keysight N1000A DCA-X oscilloscope
- Optical transceiver and photonics validation.
- High-speed electrical eye and jitter analysis.
- TDR, TDT and interconnect characterization.
- Manufacturing and R&D test for next-generation digital links.
Rent while another unit is serviced
Rental can bridge a gap while an owned instrument is away for service. It also fits a short validation campaign. List your modules, wavelengths and dates, then request a quote from Lost in HCM. More instruments sit in the oscilloscope category, the Keysight site holds maker documents, and you can contact SMK Vietnam for help.
N1000A questions
Does the mainframe include measurement modules?
The listing describes a mainframe. Modules and licenses change performance, so list the ones you need in your request.
Is it a real-time oscilloscope?
No. The listing calls it an equivalent-time sampling mainframe. For single-shot events, a real-time model suits better.
Which optical wavelengths does it cover?
The listing gives 1250 nm to 1650 nm, depending on the module.
















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