Signal generator and signal generation method
US11451253B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2019 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Jul 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2001/0491
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A digital signal process unit includes a first cancel signal generation unit and a second cancel signal generation unit. The first cancel signal generation unit generates, as a first cancel signal component, a cancel signal component corresponding to an image signal included in an analog signal output from a mixer. The second cancel signal generation unit generates, as a second cancel signal component, a cancel signal component corresponding to a leakage signal generated between an input and output of the mixer. The digital signal process unit includes subtractors for subtracting the first cancel signal component and the second cancel signal component from a signal component corresponding to a frequency band divided from an input signal to obtain a digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.