Keysight phase noise analyzers come in two classes. The PN3-class includes E5045A-E5047A signal source analyzers, and PN7 includes E5055A-E5058A signal source analyzers.
The Keysight N5511A phase noise test system (PNTS) is a replacement for the gold-standard Keysight E5500 phase noise measurement system.
| Maximum frequency | 40 GHz |
| Maximum offset frequency | 160 MHz |
| Absolute phase noise sensitivity (10 GHz @ 10 kHz offset, Xcorr=1) | -153 |
| Residual phase noise sensitivity (10 GHz @ 10 kHz offset, Xcorr=1) | -187 dBc/Hz |
Detects low-level phase noise and spurious signals with high sensitivity, enabling precise characterization of signal sources and reliable performance of DUTs.
Uses dual independent channels to actively suppress internal noise through cross-correlation, enabling precise and reliable measurement of signal sources with minimal phase noise.
Purpose-built to accurately measure absolute and residual phase noise of both pulsed and non-pulsed signals, enabling comprehensive evaluation of overall system and component-level performance.
Measures amplitude modulation (AM) and baseband noise, both of which can degrade error vector magnitude (EVM) in digitally modulated signals and contribute to overall phase noise performance.
| Maximum frequency | 7 GHz to 54 GHz |
| Maximum offset frequency | 160 MHz to 8 GHz |
| Absolute phase noise sensitivity (10 GHz @ 10 kHz offset, Xcorr=1) | -149 dBc/Hz to -153 |
| Residual phase noise sensitivity (10 GHz @ 10 kHz offset, Xcorr=1) | -187 dBc/Hz to -150 dBc/Hz |
The Keysight N5511A phase noise test system (PNTS) is a replacement for the gold-standard Keysight E5500 phase noise measurement system.
The Keysight N5511A phase noise test system (PNTS) lets you measure at the limits of physics with readings down to kT (-177 dBm/Hz). The N5511A PNTS is a replacement for the gold-standard Keysight E5500 phase noise measurement system and is designed to meet the needs of phase noise power users.
| Designed for phase noise power users at the high end of the market | Flexible architecture lets you integrate exceptional reference sources — yours or ours — and confidently solve specific challenges faster |
| Multi-segment hardware cross-correlation in field programmable gate array (FPGA) | Absolute and residual phase noise using the phase detector (quadrature) method and cross-spectral averaging (crosscorrelation) for sensitivity down to the kT thermal phase noise floor (-177 dBm/Hz) |
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