WO2013098357A3 - Calibration of a charge-to-digital timer - Google Patents

Calibration of a charge-to-digital timer Download PDF

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Publication number
WO2013098357A3
WO2013098357A3 PCT/EP2012/076994 EP2012076994W WO2013098357A3 WO 2013098357 A3 WO2013098357 A3 WO 2013098357A3 EP 2012076994 W EP2012076994 W EP 2012076994W WO 2013098357 A3 WO2013098357 A3 WO 2013098357A3
Authority
WO
WIPO (PCT)
Prior art keywords
calibration
cdt
charge
disclosed
calibration method
Prior art date
Application number
PCT/EP2012/076994
Other languages
French (fr)
Other versions
WO2013098357A2 (en
Inventor
Petri Heliö
Petri Korpi
Paavo Väänänen
Original Assignee
St-Ericsson Sa
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
Priority claimed from US13/338,550 external-priority patent/US8618965B2/en
Priority claimed from US13/338,390 external-priority patent/US8659360B2/en
Application filed by St-Ericsson Sa filed Critical St-Ericsson Sa
Priority to EP12813377.4A priority Critical patent/EP2798415A2/en
Publication of WO2013098357A2 publication Critical patent/WO2013098357A2/en
Publication of WO2013098357A3 publication Critical patent/WO2013098357A3/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/005—Time-to-digital converters [TDC]

Abstract

A calibration method disclosed herein calibrates at least one of a capacitive load and a charging current controlling a charge-to-digital timer (CDT). In general, the disclosed calibration method measures multiple calibration phases based on start and stop signals separated by a known time difference, and therefore having a known phase, and adjusts at least one of the capacitive load and the charging current of the CDT based on the measured calibration phases. In so doing, the disclosed calibration method reduces power dissipation and peak supply currents over the frequency range of the CDT.
PCT/EP2012/076994 2011-12-28 2012-12-27 Calibration of a charge-to-digital timer WO2013098357A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12813377.4A EP2798415A2 (en) 2011-12-28 2012-12-27 Calibration of a charge-to-digital timer

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13/338,550 2011-12-28
US13/338,550 US8618965B2 (en) 2011-12-28 2011-12-28 Calibration of a charge-to-digital timer
US13/338,390 2011-12-28
US13/338,390 US8659360B2 (en) 2011-12-28 2011-12-28 Charge-to-digital timer

Publications (2)

Publication Number Publication Date
WO2013098357A2 WO2013098357A2 (en) 2013-07-04
WO2013098357A3 true WO2013098357A3 (en) 2013-08-22

Family

ID=47553034

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2012/076996 WO2013098359A2 (en) 2011-12-28 2012-12-27 Charge-to-digital timer
PCT/EP2012/076994 WO2013098357A2 (en) 2011-12-28 2012-12-27 Calibration of a charge-to-digital timer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/076996 WO2013098359A2 (en) 2011-12-28 2012-12-27 Charge-to-digital timer

Country Status (2)

Country Link
EP (1) EP2798415A2 (en)
WO (2) WO2013098359A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107884780B (en) * 2016-09-30 2021-03-26 比亚迪股份有限公司 Distance measuring method, laser radar and vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834938C1 (en) * 1988-10-13 1989-12-07 Horst Prof. Dipl.-Phys. Dr. 4790 Paderborn De Ziegler
US20100244971A1 (en) * 2009-03-30 2010-09-30 Qualcomm Incorporated Time-to-digital converter (tdc) with improved resolution
EP2388923A1 (en) * 2010-05-21 2011-11-23 Stichting IMEC Nederland Asynchronous digital slope analog-to-digital converter and method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2224759A1 (en) * 1973-04-05 1974-10-31 Onera (Off Nat Aerospatiale) Period to voltage convertor for testing FM units - displays dots rising or falling with period

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3834938C1 (en) * 1988-10-13 1989-12-07 Horst Prof. Dipl.-Phys. Dr. 4790 Paderborn De Ziegler
US20100244971A1 (en) * 2009-03-30 2010-09-30 Qualcomm Incorporated Time-to-digital converter (tdc) with improved resolution
EP2388923A1 (en) * 2010-05-21 2011-11-23 Stichting IMEC Nederland Asynchronous digital slope analog-to-digital converter and method thereof

Also Published As

Publication number Publication date
EP2798415A2 (en) 2014-11-05
WO2013098359A2 (en) 2013-07-04
WO2013098357A2 (en) 2013-07-04
WO2013098359A3 (en) 2013-08-22

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