GB1429196A - Electrical measurement circuit - Google Patents

Electrical measurement circuit

Info

Publication number
GB1429196A
GB1429196A GB1550673A GB1550673A GB1429196A GB 1429196 A GB1429196 A GB 1429196A GB 1550673 A GB1550673 A GB 1550673A GB 1550673 A GB1550673 A GB 1550673A GB 1429196 A GB1429196 A GB 1429196A
Authority
GB
United Kingdom
Prior art keywords
transistor
output
capacitor
oscillator
circuit
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
GB1550673A
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.)
GORDON EGN CO
Original Assignee
GORDON EGN 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 GORDON EGN CO filed Critical GORDON EGN CO
Publication of GB1429196A publication Critical patent/GB1429196A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Analogue/Digital Conversion (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB1550673A 1973-01-02 1973-03-30 Electrical measurement circuit Expired GB1429196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00320639A US3833903A (en) 1973-01-02 1973-01-02 Compensated voltage-controlled oscillator particularly for analog to digital converters

Publications (1)

Publication Number Publication Date
GB1429196A true GB1429196A (en) 1976-03-24

Family

ID=23247293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1550673A Expired GB1429196A (en) 1973-01-02 1973-03-30 Electrical measurement circuit

Country Status (4)

Country Link
US (1) US3833903A (enExample)
JP (1) JPS4999467A (enExample)
DE (1) DE2315927A1 (enExample)
GB (1) GB1429196A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189113A (en) * 1986-04-12 1987-10-14 Thorn Emi Datatech Ltd A voltage-controlled oscillator

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041289A (en) * 1975-11-12 1977-08-09 Kulite Semiconductor Products, Inc. Digital scale or weighing apparatus
US4118696A (en) * 1976-11-24 1978-10-03 Hughes Aircraft Company Precision voltage to frequency converter for use in A/D converter
US4366467A (en) * 1980-01-16 1982-12-28 Northrop Corporation Torquer current readout system for inertial instrument employing current controlled oscillator
US4349821A (en) * 1980-01-28 1982-09-14 Westinghouse Electric Corp. Data acquisition system and analog to digital converter therefor
TW507421B (en) * 1998-01-19 2002-10-21 Myson Century Inc CMOS digital-analog converter and temperature sensing apparatus using the converter
US6777663B2 (en) * 1999-05-07 2004-08-17 Intel Corporation Enhanced Photocell with sample and hold amplifier
US8081101B2 (en) * 2010-02-06 2011-12-20 Infineon Technologies Ag Analog-to-digital converter using oscillators
CN109738698B (zh) * 2018-12-29 2024-04-30 中国人民解放军陆军工程大学 神经元仿生电路和信号频率检测系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040273A (en) * 1958-04-28 1962-06-19 Hewlett Packard Co Voltage to frequency converter
US3036299A (en) * 1959-09-10 1962-05-22 Jones & Laughlin Steel Corp Circuit for digitizing analog quantities
US3198961A (en) * 1962-06-26 1965-08-03 North American Aviation Inc Quantizer producing digital-output whose polarity and repetition-rate are respectively determined by phase and amplitude by analog-in-put
US3201781A (en) * 1962-07-23 1965-08-17 Hewlett Packard Co Analog to digital transducers
US3136990A (en) * 1962-10-29 1964-06-09 James M Howe Voltage to frequency converter
GB1052814A (enExample) * 1963-04-03 1900-01-01
US3319243A (en) * 1964-07-06 1967-05-09 Gen Time Corp Analog-digital converter employing an asymmetrical multivibrator
US3378833A (en) * 1964-07-09 1968-04-16 Gen Time Corp Analog-digital converter employing a ring demodulator
US3349391A (en) * 1964-10-01 1967-10-24 Hitachi Ltd Counting type analogue-to-digital converters
US3719807A (en) * 1970-04-15 1973-03-06 Electronic Modules Corp Digital linearizer and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2189113A (en) * 1986-04-12 1987-10-14 Thorn Emi Datatech Ltd A voltage-controlled oscillator
GB2189113B (en) * 1986-04-12 1990-04-25 Thorn Emi Datatech Ltd A voltage-controlled oscillator

Also Published As

Publication number Publication date
US3833903A (en) 1974-09-03
JPS4999467A (enExample) 1974-09-19
DE2315927A1 (de) 1974-07-04

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Legal Events

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