DK151752C - MULTI-STEP TRANSISTOR AMPLIFIER FOR AC POWER - Google Patents

MULTI-STEP TRANSISTOR AMPLIFIER FOR AC POWER

Info

Publication number: DK151752C
Authority: DK; Denmark
Prior art keywords: power; transistor amplifier; step transistor; amplifier; transistor
Prior art date: 1977-03-23

Application number

DK99678A

Other languages

Danish (da)

Other versions

DK99678A (en

DK151752B (en

Inventor

Bonno Poppinga

Original Assignee

Bosch Gmbh Robert

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.)

1977-03-23

Filing date

1978-03-06

Publication date

1988-06-27

1978-03-06 Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert

1978-09-24 Publication of DK99678A publication Critical patent/DK99678A/en

1987-12-28 Publication of DK151752B publication Critical patent/DK151752B/en

1988-06-27 Application granted granted Critical

1988-06-27 Publication of DK151752C publication Critical patent/DK151752C/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0283—Reducing the number of DC-current paths

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)

DK99678A 1977-03-23 1978-03-06 MULTI-STEP TRANSISTOR AMPLIFIER FOR AC POWER DK151752C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19772712680 DE2712680C2 (en)	1977-03-23	1977-03-23	Multi-stage transistor amplifier for alternating voltages
DE2712680		1977-03-23

Publications (3)

Publication Number	Publication Date
DK99678A DK99678A (en)	1978-09-24
DK151752B DK151752B (en)	1987-12-28
DK151752C true DK151752C (en)	1988-06-27

Family

ID=6004397

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK99678A DK151752C (en)	1977-03-23	1978-03-06	MULTI-STEP TRANSISTOR AMPLIFIER FOR AC POWER

Country Status (5)

Country	Link
AT (1)	AT374639B (en)
BE (1)	BE865256A (en)
DE (1)	DE2712680C2 (en)
DK (1)	DK151752C (en)
NL (1)	NL7803105A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2558997B1 (en) *	1984-01-31	1989-02-03	Thomson Csf	ELECTRIC SIGNAL GROUP PROPAGATION TIME CORRECTING AMPLIFIER AND INTERFERENCE FREQUENCY AMPLIFICATION CHAIN OF RADIO BEAMS INCLUDING SUCH AMPLIFIER
AT386303B (en) *	1986-07-31	1988-08-10	Akg Akustische Kino Geraete	CIRCUIT ARRANGEMENT FOR CAPACITIVE VOLTAGE SOURCES HIGH OUTPUT IMPEDANCE, ESPECIALLY FOR CONDENSER MICROPHONES
FI87027C (en) *	1990-02-16	1992-11-10	Nokia Mobile Phones Ltd	Switching device for connecting RF amplifiers and operating voltage filters
US5241284A (en) *	1990-02-16	1993-08-31	Nokia Mobile Phones Ltd.	Circuit arrangement for connecting RF amplifier and supply voltage filter

1977
- 1977-03-23 DE DE19772712680 patent/DE2712680C2/en not_active Expired
1978
- 1978-03-06 DK DK99678A patent/DK151752C/en not_active IP Right Cessation
- 1978-03-07 AT AT162878A patent/AT374639B/en not_active IP Right Cessation
- 1978-03-22 NL NL7803105A patent/NL7803105A/en not_active Application Discontinuation
- 1978-03-23 BE BE186228A patent/BE865256A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
NL7803105A (en)	1978-09-26
BE865256A (en)	1978-07-17
DK99678A (en)	1978-09-24
DE2712680A1 (en)	1978-09-28
AT374639B (en)	1984-05-10
ATA162878A (en)	1983-09-15
DE2712680C2 (en)	1982-10-21
DK151752B (en)	1987-12-28

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Legal Events

Date	Code	Title	Description
1993-11-22	PBP	Patent lapsed