Description
A phased array only works when every channel keeps a known phase relationship to the others. Building that stimulus from separate boxes takes cables, references and patience. The Keysight AP5032A signal generator offers up to four phase-coherent outputs in one 2U chassis. Lost in HCM lists it for rental and sale, so a lab can borrow it for a trial or buy it for the rack.

How the channels stay coherent
One to four independently controlled channels share a single reference. Because of that shared reference, the phase between outputs stays predictable. However, you can still set each channel on its own. As a result, a beamforming test with the Keysight AP5032A signal generator needs one instrument, not a stack of them.
Core specifications
| Item | Value |
|---|---|
| Frequency range | 1 kHz to 51 GHz |
| Configured RF outputs | Up to 4 phase-coherent channels |
| 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 | 3 microseconds |
| Form factor | Low-profile 2U chassis |
Fast hopping and flexible references
Three microseconds is short enough for fast hopping, sweeping and production sequences. Also, AM, FM, phase and pulse modulation sit alongside flexible reference inputs, which helps with system integration. In addition, the low phase noise and clean harmonics keep demanding RF measurements honest.
Typical projects for the Keysight AP5032A signal generator
- Phased-array and beamforming validation.
- Radar and aerospace multichannel testing.
- Coherent receiver and converter characterization.
- Production, quantum and research systems.
For example, a radar team can steer a four-element test array, then repeat the run after a hardware change.
Match the channel count to your order
Channel count and top frequency depend on the ordered hardware and licensed configuration. So tell Lost in HCM how many coherent channels you need and the highest frequency on each. Then the quote reflects the unit you will receive, so nothing surprises you on delivery.
Request through Lost in HCM
Lost in HCM supplies this source, and SMK Vietnam carries the listing. Start with a quote request to Lost in HCM that names the connectors, references and delivery site. You can browse other signal generators, visit keysight.com for brand material, or contact SMK Vietnam. Rent the Keysight AP5032A signal generator for an array trial, or buy it for a standing multichannel bench.
AP5032A questions
Does every AP5032A include four 51 GHz channels?
No. Channel count and maximum frequency depend on the ordered hardware and licensed configuration.
What does phase-coherent mean here?
The channels share a reference, so the phase relationship between outputs stays controlled.
How much rack space does it take?
It uses a low-profile 2U chassis.
















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