WO2001006723A9 - Baseband signal converter for a wideband impulse radio receiver - Google Patents

Baseband signal converter for a wideband impulse radio receiver

Info

Publication number
WO2001006723A9
WO2001006723A9 PCT/US2000/018873 US0018873W WO0106723A9 WO 2001006723 A9 WO2001006723 A9 WO 2001006723A9 US 0018873 W US0018873 W US 0018873W WO 0106723 A9 WO0106723 A9 WO 0106723A9
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
baseband signal
radio receiver
integrator
current
Prior art date
Application number
PCT/US2000/018873
Other languages
French (fr)
Other versions
WO2001006723A1 (en
Inventor
Preston Jett
Lawrence E Larson
Bret A Pollack
David A Rowe
Original Assignee
Time Domain Corp
Preston Jett
Lawrence E Larson
Bret A Pollack
David A Rowe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Time Domain Corp, Preston Jett, Lawrence E Larson, Bret A Pollack, David A Rowe filed Critical Time Domain Corp
Priority to EP00947208A priority Critical patent/EP1201065A4/en
Priority to AU60861/00A priority patent/AU6086100A/en
Publication of WO2001006723A1 publication Critical patent/WO2001006723A1/en
Publication of WO2001006723A9 publication Critical patent/WO2001006723A9/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/71637—Receiver aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/7183—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/719—Interference-related aspects

Abstract

A baseband signal converter device (10) for an impulse radio receiver combines multiple converter circuits (11) and an RF amplifier (13) in a single integrated circuit package. Each converter circuit (11) includes an integrator circuit (23) that integrates a portion of each RF pulse during a sampling period triggered by a timing pulse generator. The integrator capacitor (C1) is isolated by a pair of Schottky diodes (D1, D2) connected to a pair of load resistors (48). A current equalizer circuit (40) equalizes the current flowing through the load resistors (48) when the integrator is not sampling. Current steering logic (41, 42) transfers load current between the diodes and a constant bias circuit (45) depending on whether a sampling pulse is present.
PCT/US2000/018873 1999-07-16 2000-07-11 Baseband signal converter for a wideband impulse radio receiver WO2001006723A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP00947208A EP1201065A4 (en) 1999-07-16 2000-07-11 Baseband signal converter for a wideband impulse radio receiver
AU60861/00A AU6086100A (en) 1999-07-16 2000-07-17 Baseband signal converter for a wideband impulse radio receiver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/356,384 US6421389B1 (en) 1999-07-16 1999-07-16 Baseband signal converter for a wideband impulse radio receiver
US09/356,384 1999-07-16

Publications (2)

Publication Number Publication Date
WO2001006723A1 WO2001006723A1 (en) 2001-01-25
WO2001006723A9 true WO2001006723A9 (en) 2002-07-18

Family

ID=23401239

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/018873 WO2001006723A1 (en) 1999-07-16 2000-07-11 Baseband signal converter for a wideband impulse radio receiver

Country Status (4)

Country Link
US (2) US6421389B1 (en)
EP (1) EP1201065A4 (en)
AU (1) AU6086100A (en)
WO (1) WO2001006723A1 (en)

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Also Published As

Publication number Publication date
US6937663B2 (en) 2005-08-30
AU6086100A (en) 2001-02-05
US6421389B1 (en) 2002-07-16
US20020126769A1 (en) 2002-09-12
EP1201065A4 (en) 2004-03-24
EP1201065A1 (en) 2002-05-02
WO2001006723A1 (en) 2001-01-25

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