DE3584741D1 - Schaltung zum ableiten einer verstaerkungsregelungsspannung (a.v.r.). - Google Patents

Schaltung zum ableiten einer verstaerkungsregelungsspannung (a.v.r.).

Info

Publication number
DE3584741D1
DE3584741D1 DE8585107321T DE3584741T DE3584741D1 DE 3584741 D1 DE3584741 D1 DE 3584741D1 DE 8585107321 T DE8585107321 T DE 8585107321T DE 3584741 T DE3584741 T DE 3584741T DE 3584741 D1 DE3584741 D1 DE 3584741D1
Authority
DE
Germany
Prior art keywords
derivating
circuit
control voltage
gain control
gain
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 - Lifetime
Application number
DE8585107321T
Other languages
English (en)
Inventor
Edwin B Merrick
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.)
HP Inc
Original Assignee
Hewlett Packard 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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE3584741D1 publication Critical patent/DE3584741D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G01R17/06—Automatic balancing arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
DE8585107321T 1984-06-18 1985-06-13 Schaltung zum ableiten einer verstaerkungsregelungsspannung (a.v.r.). Expired - Lifetime DE3584741D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/621,402 US4563655A (en) 1984-04-02 1984-06-18 AGC Circuit

Publications (1)

Publication Number Publication Date
DE3584741D1 true DE3584741D1 (de) 1992-01-09

Family

ID=24490019

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585107321T Expired - Lifetime DE3584741D1 (de) 1984-06-18 1985-06-13 Schaltung zum ableiten einer verstaerkungsregelungsspannung (a.v.r.).

Country Status (3)

Country Link
US (1) US4563655A (de)
EP (1) EP0166317B1 (de)
DE (1) DE3584741D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5614904A (en) * 1995-03-09 1997-03-25 Ericsson Inc. Balance companded delta conversion for homodyne receiver
JP4854626B2 (ja) * 2007-08-27 2012-01-18 オンセミコンダクター・トレーディング・リミテッド 低コンダクタアンプ
EP2543136B1 (de) * 2010-03-03 2017-03-08 Devialet Stromsapnnungswandler mit stromreflektor, eingangsstufe eines verstärkers und entsprechender verstärker
CN109782839B (zh) * 2019-01-04 2020-07-07 南京矽力微电子技术有限公司 电压调节器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360748A (en) * 1964-04-20 1967-12-26 Automatic Elect Lab Double threshold gain regulator for communication systems
JPS5172261A (de) * 1974-12-20 1976-06-22 Hitachi Ltd
JPS5422512U (de) * 1977-07-15 1979-02-14
DE2741952B2 (de) * 1977-09-17 1980-06-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Pegelregelung
JPS5884514A (ja) * 1981-11-16 1983-05-20 Matsushita Electric Ind Co Ltd 自動利得制御回路
JPS5894212A (ja) * 1981-11-30 1983-06-04 Matsushita Electric Ind Co Ltd 定電流出力回路
US4517534A (en) * 1983-07-11 1985-05-14 Alpha-Omega Engineering, Inc. Circuit detector and noise reduction network with circuit detector
US4546651A (en) * 1984-04-02 1985-10-15 Hewlett-Packard Co. Transducer coupling

Also Published As

Publication number Publication date
EP0166317A2 (de) 1986-01-02
US4563655A (en) 1986-01-07
EP0166317B1 (de) 1991-11-27
EP0166317A3 (en) 1988-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee