AU448050B2 - Creación de Inventos y Patentes con Inteligencia Artificial

AU448050B2 – PRECISION VARIABLE GAIN AMPLIFIER WITH Linear log gain versus control voltage CHARACTERISTIC
– Google Patents

AU448050B2 – PRECISION VARIABLE GAIN AMPLIFIER WITH Linear log gain versus control voltage CHARACTERISTIC
– Google Patents
PRECISION VARIABLE GAIN AMPLIFIER WITH Linear log gain versus control voltage CHARACTERISTIC

Info

Publication number
AU448050B2

AU448050B2
AU48772/72A
AU4877272A
AU448050B2
AU 448050 B2
AU448050 B2
AU 448050B2
AU 48772/72 A
AU48772/72 A
AU 48772/72A
AU 4877272 A
AU4877272 A
AU 4877272A
AU 448050 B2
AU448050 B2
AU 448050B2
Authority
AU
Australia
Prior art keywords
control voltage
voltage characteristic
versus control
precision variable
linear log
Prior art date
1971-11-23
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
AU48772/72A
Other versions

AU4877272A
(en

Inventor
F. Acker William
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.)

Bull HN Information Systems Inc

Original Assignee
Honeywell Information Systems Inc
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.)
1971-11-23
Filing date
1972-11-13
Publication date
1974-05-09

1972-11-13
Application filed by Honeywell Information Systems Inc
filed
Critical
Honeywell Information Systems Inc

1974-05-09
Application granted
granted
Critical

1974-05-09
Publication of AU448050B2
publication
Critical
patent/AU448050B2/en

1974-05-09
Publication of AU4877272A
publication
Critical
patent/AU4877272A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

G—PHYSICS

G01—MEASURING; TESTING

G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES

G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 – G01R29/00, G01R33/00 – G01R33/26 or G01R35/00

G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear

G—PHYSICS

G01—MEASURING; TESTING

G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES

G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof

G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only

G—PHYSICS

G06—COMPUTING; CALCULATING OR COUNTING

G06G—ANALOGUE COMPUTERS

G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities

G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers

G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

H—ELECTRICITY

H03—ELECTRONIC CIRCUITRY

H03G—CONTROL OF AMPLIFICATION

H03G1/00—Details of arrangements for controlling amplification

H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal

H—ELECTRICITY

H03—ELECTRONIC CIRCUITRY

H03G—CONTROL OF AMPLIFICATION

H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal

H03G3/20—Automatic control

H—ELECTRICITY

H03—ELECTRONIC CIRCUITRY

H03G—CONTROL OF AMPLIFICATION

H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal

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

H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable

H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

AU48772/72A
1971-11-23
1972-11-13
PRECISION VARIABLE GAIN AMPLIFIER WITH Linear log gain versus control voltage CHARACTERISTIC

Expired

AU448050B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US20145971A

1971-11-23
1971-11-23

USUS201,459

1971-11-23

Publications (2)

Publication Number
Publication Date

AU448050B2
true

AU448050B2
(en)

1974-05-09

AU4877272A

AU4877272A
(en)

1974-05-09

Family
ID=22745905
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU48772/72A
Expired

AU448050B2
(en)

1971-11-23
1972-11-13
PRECISION VARIABLE GAIN AMPLIFIER WITH Linear log gain versus control voltage CHARACTERISTIC

Country Status (6)

Country
Link

US
(1)

US3736520A
(en)

JP
(1)

JPS5428700B2
(en)

AU
(1)

AU448050B2
(en)

DE
(1)

DE2257461A1
(en)

FR
(1)

FR2163011A5
(en)

NL
(1)

NL7215805A
(en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3961361A
(en)

1975-05-23
1976-06-01
Rca Corporation
Gain control arrangement useful in a television signal processing system

US4053846A
(en)

1975-06-24
1977-10-11
Honeywell Inc.
Amplifier apparatus

US4335361A
(en)

1977-09-01
1982-06-15
Honeywell Inc.
Variable gain amplifier

FR2408242A1
(en)

1977-11-08
1979-06-01
Televic
Electronic linear attenuator or amplifier – comprising logarithmic and exponential function generators in series

DE2753843C3
(en)

1977-11-30
1981-09-24
Auergesellschaft Gmbh, 1000 Berlin

Circuit arrangement for the detection of gases

US4190891A
(en)

1978-05-09
1980-02-26
The Bendix Corporation
System having a fixed excitation and providing a variable ratio output

US4365209A
(en)

1979-03-23
1982-12-21
Ricoh Co., Ltd.
Impedance transducer

US4308466A
(en)

1979-06-07
1981-12-29
Northrop Corporation
Circuit to compensate for semiconductor switching speed variations

US5065351A
(en)

1989-03-30
1991-11-12
Eastman Kodak Company
Stabilization and calibration of precision electronic circuit component

JP3078858B2
(en)

1991-03-07
2000-08-21
パイオニア株式会社

VCA circuit

US5589791A
(en)

1995-06-09
1996-12-31
Analog Devices, Inc.
Variable gain mixer having improved linearity and lower switching noise

JP3541750B2
(en)

1999-10-15
2004-07-14
松下電器産業株式会社

Optical receiving preamplifier

FR2999831B1
(en)

2012-12-18
2019-01-25
Sagemcom Energy & Telecom Sas

DEMODULATION DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3098199A
(en)

1962-02-01
1963-07-16
Texas Insturments Inc
Automatic gain control circuit

US3600589A
(en)

1968-10-18
1971-08-17
Ibm
Logarithmic sense amplifier having means for estalishing a predetermined output voltage level when the input signal is at a maximum

US3582807A
(en)

1969-07-28
1971-06-01
Tektronix Inc
Amplifier gain control circuit including diode bridge

1971

1971-11-23
US
US00201459A
patent/US3736520A/en
not_active
Expired – Lifetime

1972

1972-11-13
AU
AU48772/72A
patent/AU448050B2/en
not_active
Expired

1972-11-22
NL
NL7215805A
patent/NL7215805A/xx
unknown

1972-11-22
FR
FR7241524A
patent/FR2163011A5/fr
not_active
Expired

1972-11-23
DE
DE2257461A
patent/DE2257461A1/en
active
Pending

1972-11-24
JP
JP11724672A
patent/JPS5428700B2/ja
not_active
Expired

Also Published As

Publication number
Publication date

FR2163011A5
(en)

1973-07-20

DE2257461A1
(en)

1973-05-30

JPS4864855A
(en)

1973-09-07

NL7215805A
(en)

1973-05-25

US3736520A
(en)

1973-05-29

JPS5428700B2
(en)

1979-09-18

AU4877272A
(en)

1974-05-09

Información de contacto