FR2430131A3 - SIGNAL GENERATOR FOR GENERATING SINUSOIDAL OUTPUT SIGNALS AT PREDETERMINED PHASE POSITION - Google Patents

SIGNAL GENERATOR FOR GENERATING SINUSOIDAL OUTPUT SIGNALS AT PREDETERMINED PHASE POSITION

Info

Publication number
FR2430131A3
FR2430131A3 FR7916102A FR7916102A FR2430131A3 FR 2430131 A3 FR2430131 A3 FR 2430131A3 FR 7916102 A FR7916102 A FR 7916102A FR 7916102 A FR7916102 A FR 7916102A FR 2430131 A3 FR2430131 A3 FR 2430131A3
Authority
FR
France
Prior art keywords
generator
reference voltage
output signals
signals
phase
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.)
Granted
Application number
FR7916102A
Other languages
French (fr)
Other versions
FR2430131B3 (en
Inventor
Mathis Halder
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2430131A3 publication Critical patent/FR2430131A3/en
Application granted granted Critical
Publication of FR2430131B3 publication Critical patent/FR2430131B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • G06F1/035—Reduction of table size
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/04—Trigonometric functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The signal generator generates sinusoidal output signals (UR, US, UT, IR, IS, IT) and is advantageously used as three-phase generator for calibrating electricity meters. A number generator (10 to 16) controlled by a clock generator (37) cyclically generates for each output signal (UR, US, UT, IR, IS, IT) binary coded phase step signals (Ph) which are transformed into binary coded instantaneous-value signals by a function generator (17) and into an analog signal by one or more digital/analog converters (18). Each output signal (UR, US, UT, IR, IS, IT) is associated with a sample/hold circuit (19 to 24) which are cyclically clocked by a clock distributor (38). The number generator is formed by angle input elements (10, 11), a switch (12), an adding element (14) and an accumulator (16). A reference voltage input (39) of the digital/analog converter (18) can be connected to at least two adjustable reference voltage sources via a controlled multiple changeover switch. An rms-value measuring instrument connected to amplifiers (31 to 36) controls the reference voltage sources and a phase angle measuring instrument controls the angle input element (10).
FR7916102A 1978-06-26 1979-06-22 SIGNAL GENERATOR FOR GENERATING SINUSOIDAL OUTPUT SIGNALS AT PREDETERMINED PHASE POSITION Granted FR2430131A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH692078A CH636485A5 (en) 1978-06-26 1978-06-26 Signal generator for generating sinusoidal output signals with predetermined mutual phase angle, and use thereof as three-phase generator for calibrating electricity meters

Publications (2)

Publication Number Publication Date
FR2430131A3 true FR2430131A3 (en) 1980-01-25
FR2430131B3 FR2430131B3 (en) 1980-06-20

Family

ID=4317118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7916102A Granted FR2430131A3 (en) 1978-06-26 1979-06-22 SIGNAL GENERATOR FOR GENERATING SINUSOIDAL OUTPUT SIGNALS AT PREDETERMINED PHASE POSITION

Country Status (3)

Country Link
CH (1) CH636485A5 (en)
DE (1) DE2831734C3 (en)
FR (1) FR2430131A3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462714A2 (en) * 1990-06-21 1991-12-27 Tektronix Inc. Generation of phase related waveforms
EP0469303A2 (en) * 1990-07-30 1992-02-05 TriQuint Semiconductor, Inc. Delay equalization emulation for high speed phase modulated direct digital synthesis

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829588A1 (en) * 1978-07-05 1980-01-24 Siemens Ag Electricity meter test connection and scanning unit - uses voltage and current supply from generators controlled by digitally generated signals
DE3830923A1 (en) * 1988-09-12 1990-03-22 Veba Kraftwerke Ruhr CIRCUIT FOR HIGH-PRECISION SLIP FREQUENCY ADJUSTMENT
RU2671539C1 (en) * 2017-10-18 2018-11-01 Леонид Петрович Гаврилов Multi-phase emf system generator for mobile devices
RU2684486C1 (en) * 2018-03-26 2019-04-09 Леонид Петрович Гаврилов Generator of multiphase system of emf using a block of diodes for cutting twice number of power switches

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE341199B (en) * 1970-04-23 1971-12-20 Ericsson Telefon Ab L M
US3735269A (en) * 1971-10-29 1973-05-22 Rockland Systems Corp Digital frequency synthesizer
FR2208584A5 (en) * 1972-11-29 1974-06-21 Ibm France
DE2539692C2 (en) * 1975-09-06 1983-07-21 Robert Bosch Gmbh, 7000 Stuttgart Digital process for generating signal voltages and arrangement for carrying out the process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462714A2 (en) * 1990-06-21 1991-12-27 Tektronix Inc. Generation of phase related waveforms
EP0462714A3 (en) * 1990-06-21 1992-02-26 Tektronix, Inc. Generation of phase related waveforms
EP0469303A2 (en) * 1990-07-30 1992-02-05 TriQuint Semiconductor, Inc. Delay equalization emulation for high speed phase modulated direct digital synthesis
EP0469303A3 (en) * 1990-07-30 1993-02-24 Triquint Semiconductor, Inc. Delay equalization emulation for high speed phase modulated direct digital synthesis

Also Published As

Publication number Publication date
FR2430131B3 (en) 1980-06-20
CH636485A5 (en) 1983-05-31
DE2831734B2 (en) 1980-04-17
DE2831734C3 (en) 1984-06-14
DE2831734A1 (en) 1980-01-03

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