Electronic arrangement and vector network analyzer characterized by reduced phase noise
US9575107B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2014 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Apr 25, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03C2200/0058
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic arrangement and method for providing a signal characterized by reduced phase noise having a signal source for providing a stimulus signal, a modulator coupled to the signal source for generating a modulated signal as function of the stimulus signal and a local oscillator signal, and a mixer combining the stimulus and modulated signals to generate a mixed signal that includes a component characterized by a mathematical difference of the stimulus signal and the modulated signal. The modulated signal substantially identical to the stimulus signal and being offset by a frequency of the local oscillator signal, so that the difference component of the mixed signal results in a local oscillator signal wherein the stimulus signal phase noise generated by the signal source has been mathematically cancelled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.