Baseband signal converter for a wideband impulse radio receiver
US6937663B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Jul 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/719
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A baseband signal converter device for an impulse radio receiver combines multiple converter circuits and an RF amplifier in a single integrated circuit package. Each converter circuit includes an integrator circuit that integrates a portion of each RF pulse during a sampling period triggered by a timing pulse generator. The integrator capacitor is isolated by a pair of Schottky diodes connected to a pair of load resistors. A current equalizer circuit equalizes the current flowing through the load resistors when the integrator is not sampling. Current steering logic transfers load current between the diodes and a constant bias circuit depending on whether a sampling pulse is present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.