Description
A production line does not need the most elaborate source on the market. Instead, it needs a steady, fast one that fits the rack. The Keysight N5171B signal generator is an EXG X-Series analog source that stands 2U high. It covers 9 kHz to 6 GHz as configured. Lost in HCM lists it for rental and sale, and it arranges service on request.

N5171B key figures
| Frequency range | 9 kHz to 6 GHz, configured |
|---|---|
| RF outputs | 1 |
| Output power at 1 GHz | 21 dBm |
| Phase noise at 1 GHz, 20 kHz offset | -122 dBc/Hz |
| Frequency switching speed | 800 microseconds |
| Form factor | 2U rack height |
Built for the test rack
Because the Keysight N5171B signal generator takes only two rack units, it leaves room for other instruments above and below it. Fast frequency switching helps too, because each step in an automated sequence costs time. With 800 microseconds per switch, the source adds little to the cycle of each part. As a result, a station can step through many frequencies and still keep its pace.
Recovering signal lost in the path
Cables, switches and fixtures all eat power before the signal reaches the device, so high output power gives you room to make up for them. However, the source reaches 21 dBm at 1 GHz only as a headline value. Check the level you need at your own frequency. Then ask Lost in HCM to confirm it.
What analog modulation and options add
Also, the listing describes analog modulation, multi-function generation and upgradeable options. That mix therefore lets a lab change its test plan without changing the box. The frequency range, front or rear connectors, pulse modulation and analog personalities all depend on the configuration. So ask for each item by name in your request.
Tests that suit the Keysight N5171B signal generator
- Receiver sensitivity and functional verification.
- RF component parametric tests and production test.
- Automated manufacturing and rack test systems.
Rent, buy and order
A pilot line or a short validation phase suits a rental. However, a factory with daily RF checks may prefer to buy new, premium-used or equivalent equipment. Lost in HCM supplies the instrument and gives the quote, while SMK Vietnam only shows the listing. Also give the team your frequency range, power need, reference and interface requirements. Then request a quote from Lost in HCM, browse the signal generator listings, visit Keysight or contact SMK Vietnam.
N5171B questions
Is 6 GHz the upper limit on every unit?
The range is 9 kHz to 6 GHz as configured, so confirm the installed option in the quote.
What should the quote itemize?
Then ask for the frequency range, front or rear connectors, pulse modulation and any analog personalities.
How many RF outputs does it have?
It has one RF output.
















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