GB1545951A - Precision test frequency generator - Google Patents

Precision test frequency generator

Info

Publication number
GB1545951A
GB1545951A GB16432/76A GB1643276A GB1545951A GB 1545951 A GB1545951 A GB 1545951A GB 16432/76 A GB16432/76 A GB 16432/76A GB 1643276 A GB1643276 A GB 1643276A GB 1545951 A GB1545951 A GB 1545951A
Authority
GB
United Kingdom
Prior art keywords
frequency generator
test frequency
precision test
precision
generator
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.)
Expired
Application number
GB16432/76A
Other languages
English (en)
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.)
Fischer and Porter Co
Original Assignee
Fischer and Porter Co
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 Fischer and Porter Co filed Critical Fischer and Porter Co
Publication of GB1545951A publication Critical patent/GB1545951A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
    • H03K4/026—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform using digital techniques
GB16432/76A 1975-07-30 1976-04-22 Precision test frequency generator Expired GB1545951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/600,318 US3992680A (en) 1975-07-30 1975-07-30 Precision test frequency generator

Publications (1)

Publication Number Publication Date
GB1545951A true GB1545951A (en) 1979-05-16

Family

ID=24403133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16432/76A Expired GB1545951A (en) 1975-07-30 1976-04-22 Precision test frequency generator

Country Status (6)

Country Link
US (1) US3992680A (enExample)
JP (1) JPS5218352A (enExample)
CA (1) CA1048112A (enExample)
DE (1) DE2620279A1 (enExample)
FR (1) FR2320002A1 (enExample)
GB (1) GB1545951A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948504A1 (de) * 1979-12-01 1981-06-19 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Schaltungsanordnung zum erzeugen einer wechselspannung
EP0040088A1 (en) * 1980-05-13 1981-11-18 Secretary of State for Industry in Her Britannic Majesty's Gov. of the United Kingdom of Great Britain and Northern Ireland Waveform synthesiser for calibrating VOR equipment

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900192A1 (de) * 1979-01-04 1980-07-24 Bosch Gmbh Robert Frequenz-spannungs-wandler und spannungs-frequenz-wandler sowie ihre verwendung
US4368432A (en) * 1980-11-12 1983-01-11 Siemens Corporation Sine wave generator for different frequencies
JPS57155167A (en) * 1981-03-19 1982-09-25 Hino Motors Ltd Cab tilt operating device
EP0079332A1 (en) * 1981-05-18 1983-05-25 Mostek Corporation Circuit for generating analog signals
US4524326A (en) * 1982-07-22 1985-06-18 Amca International Corp. Digitally-driven sine/cosine generator and modulator
FR2551936A1 (fr) * 1983-09-09 1985-03-15 Thomson Csf Dispositif de generation de signaux en dents de scie et analyseur de spectre comportant un tel dispositif
US4710890A (en) * 1985-09-05 1987-12-01 Hekimian Laboratories, Inc. Balanced mixer
US4713622A (en) * 1986-10-09 1987-12-15 Motorola Inc. Multiple state tone generator
US4727752A (en) * 1987-02-04 1988-03-01 Sundstrand Data Control, Inc. Pseudosinusoidal oscillator drive system
US4926131A (en) * 1987-06-25 1990-05-15 Schlumberger Industries, Inc. Triangle waveform generator for pulse-width amplitude multiplier
US5180987A (en) * 1991-12-19 1993-01-19 Nec America Inc. DC-to-AC symmetrical sine wave generator
JPH05183341A (ja) * 1992-01-06 1993-07-23 Mitsubishi Electric Corp 正弦波発生回路
SE510296C2 (sv) * 1995-05-22 1999-05-10 Jerker Delsing Sätt och anordningar vid mätning av flöde
US8478560B2 (en) 2011-01-19 2013-07-02 Honeywell International Inc. Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor
JP5974518B2 (ja) * 2012-02-06 2016-08-23 横河電機株式会社 コリオリ質量流量計

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532972A (en) * 1967-06-21 1970-10-06 Peter Caleb Frederick Wolfenda Detector apparatus including digitally operable bridge rebalancing means
US3529260A (en) * 1968-05-31 1970-09-15 Gen Radio Co Oscillator with frequency dividers for providing tunable sinusoidal outputs
US3581212A (en) * 1969-07-31 1971-05-25 Gen Electric Fast response stepped-wave switching power converter circuit
US3657657A (en) * 1970-08-03 1972-04-18 William T Jefferson Digital sine wave generator
US3735269A (en) * 1971-10-29 1973-05-22 Rockland Systems Corp Digital frequency synthesizer
US3714461A (en) * 1971-11-05 1973-01-30 Bell Canada Northern Electric Generation of multilevel digital waveforms
US3838414A (en) * 1972-08-03 1974-09-24 Motorola Inc Digital wave synthesizer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948504A1 (de) * 1979-12-01 1981-06-19 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Schaltungsanordnung zum erzeugen einer wechselspannung
EP0040088A1 (en) * 1980-05-13 1981-11-18 Secretary of State for Industry in Her Britannic Majesty's Gov. of the United Kingdom of Great Britain and Northern Ireland Waveform synthesiser for calibrating VOR equipment
US4438503A (en) 1980-05-13 1984-03-20 The Secretary Of State For Industry In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Waveform synthesizers

Also Published As

Publication number Publication date
CA1048112A (en) 1979-02-06
JPS5218352A (en) 1977-02-10
US3992680A (en) 1976-11-16
JPS5614172B2 (enExample) 1981-04-02
FR2320002A1 (fr) 1977-02-25
DE2620279A1 (de) 1977-02-17

Similar Documents

Publication Publication Date Title
GB1542123A (en) Testing apparatus
JPS52377A (en) Layerrlike wave generator
JPS51122464A (en) Measuring apparatus
ZA764480B (en) An inflating probe
GB1545951A (en) Precision test frequency generator
JPS5558651A (en) Multiple frequency signal generator
JPS51113107A (en) Generator
JPS5237080A (en) Frequency measuring device
JPS524166A (en) Testing apparatus
JPS5274383A (en) Xxray tester
GB1546251A (en) Frequency generator
JPS5220893A (en) Tester
ZA767607B (en) Method for the determination of pregnancy-colour test
JPS5225587A (en) Xxray generator
JPS5220853A (en) Measuring instrument
JPS51121711A (en) Generator
JPS51140784A (en) Rotary supersonic tester
JPS5210035A (en) Test code generator
JPS51122462A (en) Measuring apparatus
ZA764563B (en) Measuring instruments
JPS5217870A (en) Power measurement apparatus
JPS5230366A (en) Signal generator
GB1545241A (en) Testing of welds
GB1550188A (en) Phase measuring apparatus
JPS51131204A (en) Device for measuring intermediate frequency

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee