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...http://www.google.de/patents/US20020126769?utm_source=gb-gplus-sharePatent US20020126769 - Baseband signal converter for a wideband impulse radio receiver
