WO1999059241A3 - A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit - Google Patents

A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit Download PDF

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Publication number
WO1999059241A3
WO1999059241A3 PCT/DK1999/000261 DK9900261W WO9959241A3 WO 1999059241 A3 WO1999059241 A3 WO 1999059241A3 DK 9900261 W DK9900261 W DK 9900261W WO 9959241 A3 WO9959241 A3 WO 9959241A3
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
pulses
noise
square
port
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/DK1999/000261
Other languages
French (fr)
Other versions
WO1999059241A2 (en
Inventor
Niels Anderskouv
Lars Risbo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Denmark AS
Original Assignee
Toccata Technology ApS
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 Toccata Technology ApS filed Critical Toccata Technology ApS
Priority to AT99916815T priority Critical patent/ATE243891T1/en
Priority to JP2000548950A priority patent/JP2002515665A/en
Priority to DE69909086T priority patent/DE69909086T2/en
Priority to KR1020007012464A priority patent/KR20010043427A/en
Priority to DK99916815T priority patent/DK1086526T3/en
Priority to AU35169/99A priority patent/AU3516999A/en
Priority to EP99916815A priority patent/EP1086526B1/en
Publication of WO1999059241A2 publication Critical patent/WO1999059241A2/en
Publication of WO1999059241A3 publication Critical patent/WO1999059241A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/84—Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit

Landscapes

  • Amplifiers (AREA)
  • Noise Elimination (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Details Of Television Scanning (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

With a view to generating minimally distorted square-wave pulses with limited noise and limited peak current during and after the switching sequences in a switched circuit, e.g. a class D amplifier output stage or a power supply, the invention provides a circuit and a method. Seen from one port of the circuit, the short-circuit impedance has a low impedance at low frequencies, while it has a high impedance and is predominantly resistive at high impedances. In one embodiment, the circuit consists of an inductance which is connected between the one and the other ports of the two-port network, and of a series connection of a resistor and a capacitor which is connected between the terminals of the other port of the circuit. The circuit, in combination with a switched circuit, may be formed as an integrated unit on a substrate, where the inductance may advantageously be formed by a conductor path.
PCT/DK1999/000261 1998-05-11 1999-05-11 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit Ceased WO1999059241A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT99916815T ATE243891T1 (en) 1998-05-11 1999-05-11 CIRCUIT AND USE THEREOF TO REDUCE DISTORTION AND INTERFERENCE IN SQUARE PULSE
JP2000548950A JP2002515665A (en) 1998-05-11 1999-05-11 Method for reducing distortion and noise of square wave pulse, circuit for generating pulse with minimum distortion, and method of using the method and circuit
DE69909086T DE69909086T2 (en) 1998-05-11 1999-05-11 Circuit and its use to reduce distortion and interference from rectangular pulses
KR1020007012464A KR20010043427A (en) 1998-05-11 1999-05-11 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimaly distorted pulses and use of method and the circuit
DK99916815T DK1086526T3 (en) 1998-05-11 1999-05-11 Circuits for reducing distortions and noise of square pulses and their use
AU35169/99A AU3516999A (en) 1998-05-11 1999-05-11 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and the circuit
EP99916815A EP1086526B1 (en) 1998-05-11 1999-05-11 Circuit and its use for reducing distortions and noise of square-wave pulses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK64198 1998-05-11
DK0641/98 1998-05-11

Publications (2)

Publication Number Publication Date
WO1999059241A2 WO1999059241A2 (en) 1999-11-18
WO1999059241A3 true WO1999059241A3 (en) 2000-01-06

Family

ID=8095899

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1999/000261 Ceased WO1999059241A2 (en) 1998-05-11 1999-05-11 A method of reducing distortion and noise of square-wave pulses, a circuit for generating minimally distorted pulses and use of method and circuit

Country Status (9)

Country Link
EP (1) EP1086526B1 (en)
JP (1) JP2002515665A (en)
KR (1) KR20010043427A (en)
CN (1) CN1190005C (en)
AT (1) ATE243891T1 (en)
AU (1) AU3516999A (en)
DE (1) DE69909086T2 (en)
DK (1) DK1086526T3 (en)
WO (1) WO1999059241A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995482B2 (en) 2000-01-05 2006-02-07 Freescale Semiconductor, Inc. Switching circuit and method therefor
JP5481461B2 (en) * 2011-11-01 2014-04-23 サムソン エレクトロ−メカニックス カンパニーリミテッド． switch
JP5578745B1 (en) * 2013-08-22 2014-08-27 株式会社京三製作所 Class D amplifier
CN121986266A (en) * 2023-10-12 2026-05-05 三菱电机株式会社 Non-contact voltage sensor device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163174A (en) * 1988-07-07 1992-11-10 Telefunken Sendertechnik Gmbh Power amplifier
US5506532A (en) * 1991-09-27 1996-04-09 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
US5917369A (en) * 1998-02-25 1999-06-29 National Semiconductor Corporation Pulse width modulator with automatic gain control over-voltage modulator and limiter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163174A (en) * 1988-07-07 1992-11-10 Telefunken Sendertechnik Gmbh Power amplifier
US5506532A (en) * 1991-09-27 1996-04-09 Exar Corporation Output limiter for class-D BICMOS hearing aid output amplifier
US5917369A (en) * 1998-02-25 1999-06-29 National Semiconductor Corporation Pulse width modulator with automatic gain control over-voltage modulator and limiter

Also Published As

Publication number Publication date
ATE243891T1 (en) 2003-07-15
KR20010043427A (en) 2001-05-25
AU3516999A (en) 1999-11-29
EP1086526A2 (en) 2001-03-28
JP2002515665A (en) 2002-05-28
DE69909086T2 (en) 2004-04-01
CN1305660A (en) 2001-07-25
EP1086526B1 (en) 2003-06-25
WO1999059241A2 (en) 1999-11-18
CN1190005C (en) 2005-02-16
DK1086526T3 (en) 2003-10-13
DE69909086D1 (en) 2003-07-31

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