GB1222784A - Voltage or current to frequency converters - Google Patents

Voltage or current to frequency converters

Info

Publication number
GB1222784A
GB1222784A GB35103/69A GB3510369A GB1222784A GB 1222784 A GB1222784 A GB 1222784A GB 35103/69 A GB35103/69 A GB 35103/69A GB 3510369 A GB3510369 A GB 3510369A GB 1222784 A GB1222784 A GB 1222784A
Authority
GB
United Kingdom
Prior art keywords
period
voltage
current
threshold
stable
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
GB35103/69A
Other languages
English (en)
Inventor
Jakob De Vries
Hansjorg Vonarburg
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 GB1222784A publication Critical patent/GB1222784A/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
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2823—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/662—Multiplexed conversion systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Analogue/Digital Conversion (AREA)
GB35103/69A 1968-07-18 1969-07-11 Voltage or current to frequency converters Expired GB1222784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1078168A CH492224A (de) 1968-07-18 1968-07-18 Spannungs- oder Strom-Frequenzwandler

Publications (1)

Publication Number Publication Date
GB1222784A true GB1222784A (en) 1971-02-17

Family

ID=4366796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35103/69A Expired GB1222784A (en) 1968-07-18 1969-07-11 Voltage or current to frequency converters

Country Status (7)

Country Link
AT (1) AT286441B (xx)
BE (1) BE731568A (xx)
CH (1) CH492224A (xx)
DE (1) DE1914853B2 (xx)
FR (1) FR2013160A1 (xx)
GB (1) GB1222784A (xx)
NL (1) NL6905990A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110492882A (zh) * 2019-09-03 2019-11-22 中国电子科技集团公司第四十三研究所 一种展宽复位高精度电流/频率转换电路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110492882A (zh) * 2019-09-03 2019-11-22 中国电子科技集团公司第四十三研究所 一种展宽复位高精度电流/频率转换电路

Also Published As

Publication number Publication date
FR2013160A1 (xx) 1970-03-27
DE1914853A1 (de) 1970-01-22
BE731568A (xx) 1969-10-01
AT286441B (de) 1970-12-10
CH492224A (de) 1970-06-15
NL6905990A (xx) 1970-01-20
DE1914853B2 (de) 1971-07-15

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