DE3812711C1 - - Google Patents

Info

Publication number
DE3812711C1
DE3812711C1 DE3812711A DE3812711A DE3812711C1 DE 3812711 C1 DE3812711 C1 DE 3812711C1 DE 3812711 A DE3812711 A DE 3812711A DE 3812711 A DE3812711 A DE 3812711A DE 3812711 C1 DE3812711 C1 DE 3812711C1
Authority
DE
Germany
Prior art keywords
transistor
transistors
amplifier according
bandpass amplifier
resistor
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
DE3812711A
Other languages
German (de)
English (en)
Inventor
Rolf Dipl.-Ing. Dr. 7107 Bad Friedrichshall De Boehme
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.)
Atmel Germany GmbH
Original Assignee
Telefunken Electronic GmbH
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 Telefunken Electronic GmbH filed Critical Telefunken Electronic GmbH
Priority to DE3812711A priority Critical patent/DE3812711C1/de
Priority to US07/327,513 priority patent/US4937534A/en
Priority to EP89105874A priority patent/EP0338316B1/de
Application granted granted Critical
Publication of DE3812711C1 publication Critical patent/DE3812711C1/de
Priority to HK97101800A priority patent/HK1000270A1/xx
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE3812711A 1988-04-16 1988-04-16 Expired DE3812711C1 (en:Method)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3812711A DE3812711C1 (en:Method) 1988-04-16 1988-04-16
US07/327,513 US4937534A (en) 1988-04-16 1989-03-22 Band-pass amplifier
EP89105874A EP0338316B1 (de) 1988-04-16 1989-04-04 Bandpassverstärker
HK97101800A HK1000270A1 (en) 1988-04-16 1997-09-18 Bandpass amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3812711A DE3812711C1 (en:Method) 1988-04-16 1988-04-16

Publications (1)

Publication Number Publication Date
DE3812711C1 true DE3812711C1 (en:Method) 1989-08-24

Family

ID=6352135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3812711A Expired DE3812711C1 (en:Method) 1988-04-16 1988-04-16

Country Status (4)

Country Link
US (1) US4937534A (en:Method)
EP (1) EP0338316B1 (en:Method)
DE (1) DE3812711C1 (en:Method)
HK (1) HK1000270A1 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938760A1 (de) * 1989-11-23 1991-05-29 Telefunken Electronic Gmbh Abstimmbarer resonanzverstaerker oder oszillator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6163235A (en) * 1998-09-01 2000-12-19 Ericsson Inc. Active load circuit with low impedance output

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003197A (nl) * 1980-06-02 1982-01-04 Philips Nv Geintegreerde versterkerschakeling.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32479A (en) * 1861-06-04 Improvement in cultivators
DE1142633B (de) * 1963-09-10 1963-01-24 Continental Oil Co Transistor-Synchronleistungsverstaerker
USRE32479E (en) 1980-08-30 1987-08-18 Telefunken Electronic Gmbh Feedback amplifier or threshold value switch for a current feed differential stage
JPS5961206A (ja) * 1982-09-29 1984-04-07 Toshiba Corp 差動増幅装置
NL8602893A (nl) * 1986-11-14 1988-06-01 Philips Nv Filterschakeling.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003197A (nl) * 1980-06-02 1982-01-04 Philips Nv Geintegreerde versterkerschakeling.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938760A1 (de) * 1989-11-23 1991-05-29 Telefunken Electronic Gmbh Abstimmbarer resonanzverstaerker oder oszillator

Also Published As

Publication number Publication date
EP0338316A3 (en) 1990-08-29
EP0338316A2 (de) 1989-10-25
EP0338316B1 (de) 1996-06-19
US4937534A (en) 1990-06-26
HK1000270A1 (en) 1998-02-13

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: TEMIC TELEFUNKEN MICROELECTRONIC GMBH, 7100 HEILBR

8327 Change in the person/name/address of the patent owner

Owner name: TEMIC SEMICONDUCTOR GMBH, 74072 HEILBRONN, DE

8327 Change in the person/name/address of the patent owner

Owner name: ATMEL GERMANY GMBH, 74072 HEILBRONN, DE