BR7907309A - Arranjo de atenuacao - Google Patents

Arranjo de atenuacao

Info

Publication number: BR7907309A
Authority: BR; Brazil
Prior art keywords: attenuation arrangement; attenuation; arrangement
Prior art date: 1978-11-14

Application number

BR7907309A

Other languages

English (en)

Inventor

E Dijkmans

R Plassche

Original Assignee

Philips Nv

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.)

1978-11-14

Filing date

1979-11-12

Publication date

1980-07-22

1979-11-12 Application filed by Philips Nv filed Critical Philips Nv

1980-07-22 Publication of BR7907309A publication Critical patent/BR7907309A/pt

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
- 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
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/24—Frequency-independent attenuators
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Networks Using Active Elements (AREA)
Attenuators (AREA)
Analogue/Digital Conversion (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

BR7907309A 1978-11-14 1979-11-12 Arranjo de atenuacao BR7907309A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7811229A NL7811229A (nl)	1978-11-14	1978-11-14	Verzwakkerinrichting bevattende een cascadeschakeling van een stappenverzwakker en een regelbare spannings- deler, alsmede een besturingsschakeling voor de rege- ling daarvan.

Publications (1)

Publication Number	Publication Date
BR7907309A true BR7907309A (pt)	1980-07-22

Family

ID=19831890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR7907309A BR7907309A (pt)	1978-11-14	1979-11-12	Arranjo de atenuacao

Country Status (16)

Country	Link
US (1)	US4280089A (pt)
JP (2)	JPS5571312A (pt)
AR (1)	AR223192A1 (pt)
AT (1)	AT380134B (pt)
AU (1)	AU5266179A (pt)
BE (1)	BE879979A (pt)
BR (1)	BR7907309A (pt)
CA (1)	CA1154110A (pt)
DE (1)	DE2945494A1 (pt)
DK (1)	DK475479A (pt)
ES (1)	ES485867A0 (pt)
FR (1)	FR2441957A1 (pt)
GB (1)	GB2039435B (pt)
IT (1)	IT1119423B (pt)
NL (1)	NL7811229A (pt)
SE (1)	SE7909303L (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8100033A (nl) *	1981-01-07	1982-08-02	Philips Nv	Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek.
JPS5879320A (ja) *	1981-11-05	1983-05-13	Arupain Kk	電子ボリウム
US4489270A (en) *	1983-02-07	1984-12-18	Tektronix, Inc.	Compensation of a high voltage attenuator
IT1215237B (it) *	1985-02-20	1990-01-31	Ates Componenti Elettron	Attenuatore a basso rumore ed elevata stabilita'termica,di tipo integrabile
US4810949A (en) *	1988-03-28	1989-03-07	Motorola, Inc.	Digitally controlled monotonic attenuator
JPH01305612A (ja) *	1988-06-02	1989-12-08	Toshiba Corp	減衰器
US5079441A (en) *	1988-12-19	1992-01-07	Texas Instruments Incorporated	Integrated circuit having an internal reference circuit to supply internal logic circuits with a reduced voltage
US5216355A (en) *	1990-10-25	1993-06-01	Pioneer Electronic Corporation	Electronic volume controller
DE10007539A1 (de) *	2000-02-18	2001-08-30	Daimler Chrysler Ag	Steuerbarer Spannungsteiler
EP1652020B1 (en) *	2003-08-04	2008-02-13	Indian Space Research Organisation	A control circuit for diode based rf circuits
US7706473B2 (en) *	2006-03-24	2010-04-27	Freescale Semiconductor, Inc.	Comparative signal strength detection
JP5296798B2 (ja) *	2007-11-02	2013-09-25	エスティー‐エリクソン、ソシエテ、アノニム	マッチした集積電子コンポーネント

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE639126A (pt) *
US3262049A (en) *	1963-09-12	1966-07-19	Hewlett Packard Co	Signal dividers
DE1472085A1 (de) *	1964-01-28	1969-10-02	Ceskoslovenska Akademie Ved	Spannungsteiler,vorzugsweise zur Kompensation nichtlinear verlaufender Spannungen
US3370181A (en) *	1964-06-17	1968-02-20	Massachusetts Inst Technology	High-speed transistorized switches providing multiple stable current levels for inertial instruments
US3403324A (en) *	1965-10-22	1968-09-24	Frank R. Bradley	Voltage divider networks
DE2343092C3 (de) *	1973-08-25	1980-06-19	Vereinigte Flugtechnische Werkefokker Gmbh, 2800 Bremen	Programmierbarer Funktionsgenerator
US3977291A (en) *	1974-08-13	1976-08-31	C. G. Conn, Ltd.	Attenuator network for musical instrument keying system
JPS5337351A (en) *	1976-09-20	1978-04-06	Hitachi Ltd	Adjuster such as sound volume and sound tone for audio equipment
US4121183A (en) *	1976-10-29	1978-10-17	Tektronix, Inc.	Programmable attenuator apparatus employing active FET switching
DE2758310A1 (de) *	1977-12-27	1979-07-05	Bosch Gmbh Robert	Elektronische schaltungsanordnung zur erzeugung einer wechselspannung

1978
- 1978-11-14 NL NL7811229A patent/NL7811229A/nl not_active Application Discontinuation
1979
- 1979-09-28 FR FR7924241A patent/FR2441957A1/fr active Granted
- 1979-10-24 AR AR278605A patent/AR223192A1/es active
- 1979-10-26 US US06/088,734 patent/US4280089A/en not_active Expired - Lifetime
- 1979-11-08 CA CA000339440A patent/CA1154110A/en not_active Expired
- 1979-11-09 DK DK475479A patent/DK475479A/da unknown
- 1979-11-09 AU AU52661/79A patent/AU5266179A/en not_active Abandoned
- 1979-11-09 GB GB7938977A patent/GB2039435B/en not_active Expired
- 1979-11-09 IT IT69196/79A patent/IT1119423B/it active
- 1979-11-10 DE DE19792945494 patent/DE2945494A1/de active Granted
- 1979-11-12 SE SE7909303A patent/SE7909303L/xx unknown
- 1979-11-12 BE BE0/198078A patent/BE879979A/fr unknown
- 1979-11-12 BR BR7907309A patent/BR7907309A/pt unknown
- 1979-11-12 ES ES485867A patent/ES485867A0/es active Granted
- 1979-11-13 AT AT0725779A patent/AT380134B/de not_active IP Right Cessation
- 1979-11-14 JP JP14663879A patent/JPS5571312A/ja active Pending
1988
- 1988-07-11 JP JP1988091042U patent/JPS6418829U/ja active Pending

Also Published As

Publication number	Publication date
US4280089A (en)	1981-07-21
GB2039435B (en)	1983-05-11
AU5266179A (en)	1980-05-22
IT7969196A0 (it)	1979-11-09
AR223192A1 (es)	1981-07-31
JPS6418829U (pt)	1989-01-30
FR2441957A1 (fr)	1980-06-13
JPS5571312A (en)	1980-05-29
ATA725779A (de)	1985-08-15
NL7811229A (nl)	1980-05-19
AT380134B (de)	1986-04-10
GB2039435A (en)	1980-08-06
SE7909303L (sv)	1980-05-15
DE2945494C2 (pt)	1991-06-27
FR2441957B1 (pt)	1983-07-08
DK475479A (da)	1980-05-15
IT1119423B (it)	1986-03-10
BE879979A (fr)	1980-05-12
CA1154110A (en)	1983-09-20
ES8100576A1 (es)	1980-11-01
ES485867A0 (es)	1980-11-01
DE2945494A1 (de)	1980-05-29

Publication	Publication Date	Title
AT379079B (de)	1985-11-11	Akupunkturgeraet
AT370950B (de)	1983-05-10	Hoeschenwindel
BE872071A (fr)	1979-05-16	Afdichtorgaan
AT365922B (de)	1982-02-25	Netzbett
AT374352B (de)	1984-04-10	Sportschuh
MX7652E (es)	1990-06-07	Procedimiento de descafeinizacion
BR7907309A (pt)	1980-07-22	Arranjo de atenuacao
FI790255A (fi)	1979-08-01	Kombinerat skrivdon
RO79166A (ro)	1982-06-25	Regulator-coboritor de presiune
AR218561A1 (es)	1980-06-13	Copoliester p-oxibenzoilico
BR7902151A (pt)	1979-12-04	Conjunto de transmissao
BR7906913A (pt)	1980-09-23	Unidade de multiplexacao
BR7906605A (pt)	1980-06-03	Penteadeira
ATA872778A (de)	1980-09-15	Uhrband
FR2442596B1 (fr)	1985-10-25	Succedane de massepain
ATA26879A (de)	1983-03-15	B-ettbank
AT368010B (de)	1982-08-25	Rollskier
BE871213R (fr)	1979-02-01	Arylmalonamido-1-oxadethiacephalosporines
AR224881A1 (es)	1982-01-29	2-hidroxifenilbenzotiazoles
AT355471B (de)	1980-03-10	Schipresse
ATA562378A (de)	1979-12-15	Handgranate
ATA510278A (de)	1979-10-15	Griffel
ES245718Y (es)	1980-07-01	Somier armable de ballestas simplificado
AT357332B (de)	1980-07-10	Fraeser
AT376331B (de)	1984-11-12	Umpolmodulator