Description
Millimeter-wave tests expose every weakness in a source. Noise, harmonics and slow frequency changes all show up in the result, so the source matters. The Keysight AP5031A signal generator is an analog source with one RF output that starts at 1 kHz and reaches into the millimeter-wave range. Lost in HCM lists it for rental and sale, so a lab can borrow it for one campaign or buy it for the long term.

Keysight AP5031A signal generator purity in numbers
| Item | Value |
|---|---|
| Frequency range | From 1 kHz; upper limit set by the frequency option (Keysight lists 12.75, 20, 40 and 51 GHz) |
| Output power at 1 GHz | +18 dBm |
| Phase noise at 1 GHz, 20 kHz offset | -150 dBc/Hz |
| Harmonics at 1 GHz | -60 dBc |
| Frequency switching speed | 10 microseconds |
| Interfaces | USB, LAN and optional GPIB |
Why switching speed and modulation matter
A 10 microsecond switch lets the Keysight AP5031A signal generator hop and sweep quickly in an automated run. Meanwhile, AM, FM, phase and pulse modulation cover many system checks. External references also let the source follow a lab timebase. As a result, it fits both a quiet research bench and a busy test rack.
Where engineers point it
- Millimeter-wave component characterization.
- Radar and aerospace receiver testing.
- Local-oscillator and frequency-converter stimulus.
- Automated production and research systems.
Confirm the frequency configuration
The top frequency depends on the option fitted. Keysight’s AP5031A data sheet lists 12.75, 20, 40 and 51 GHz versions, so the hardware decides the top end. Therefore state the maximum frequency, the power level and the connector type you need. Lost in HCM then quotes the exact serial-number configuration.
Rent for a campaign, buy for a cell
A rental suits a radar receiver trial or an audit that lasts a few weeks, because the need ends with the project. A purchase suits a production cell that needs the Keysight AP5031A signal generator every shift.
How to ask for a price
SMK Vietnam lists this source for its partner Lost in HCM. Request a quote from Lost in HCM and state rental or purchase, the options and the delivery site. More choices sit under signal generators. Then read about the brand at keysight.com, or contact SMK Vietnam for help.
AP5031A questions
What is the top frequency of an AP5031A?
It depends on the option. Keysight lists 12.75, 20, 40 and 51 GHz versions, so confirm the fitted option in the quote.
How many outputs does it have?
One configured RF output. A test that needs several coherent outputs calls for a multi-channel source.
Which interfaces come with it?
USB and LAN, plus optional GPIB for older racks.
















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