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GB2178259A - Amplifier with controllable amplification - Google Patents

Amplifier with controllable amplification Download PDF

Info

Publication number
GB2178259A
GB2178259A GB08616814A GB8616814A GB2178259A GB 2178259 A GB2178259 A GB 2178259A GB 08616814 A GB08616814 A GB 08616814A GB 8616814 A GB8616814 A GB 8616814A GB 2178259 A GB2178259 A GB 2178259A
Authority
GB
United Kingdom
Prior art keywords
amplifier
control
characteristic
semiconductor
expansion
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.)
Withdrawn
Application number
GB08616814A
Other languages
English (en)
Other versions
GB8616814D0 (en
Inventor
Jurgen Wermuth
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.)
Bosch Telecom GmbH
Original Assignee
ANT Nachrichtentechnik 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 ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Publication of GB8616814D0 publication Critical patent/GB8616814D0/en
Publication of GB2178259A publication Critical patent/GB2178259A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
GB08616814A 1985-07-13 1986-07-10 Amplifier with controllable amplification Withdrawn GB2178259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853525066 DE3525066C1 (de) 1985-07-13 1985-07-13 Verstaerker mit steuerbarer Verstaerkung

Publications (2)

Publication Number Publication Date
GB8616814D0 GB8616814D0 (en) 1986-08-20
GB2178259A true GB2178259A (en) 1987-02-04

Family

ID=6275703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08616814A Withdrawn GB2178259A (en) 1985-07-13 1986-07-10 Amplifier with controllable amplification

Country Status (2)

Country Link
DE (1) DE3525066C1 (de)
GB (1) GB2178259A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4944018A (en) * 1988-04-04 1990-07-24 Bose Corporation Speed controlled amplifying
US5083080A (en) * 1989-06-30 1992-01-21 Anritsu Corporation High frequency signal measuring equipment with cabled detecting and signal companding
GB2236633B (en) * 1989-10-06 1994-09-07 Hewlett Packard Co Amplifier system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537810A (ja) * 1991-07-25 1993-02-12 Sony Corp 映像出力装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071944A (en) * 1980-03-17 1981-09-23 Dbx Gain control circuit
EP0087175A1 (de) * 1982-02-08 1983-08-31 Philips Patentverwaltung GmbH Schaltung zur elektronischen Verstärkungsstellung
GB2156175A (en) * 1984-03-15 1985-10-02 Robin Bransbury Signal processing circuits

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044661A1 (de) * 1980-11-27 1982-06-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur dynamik-kompression und/oder -expansion

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2071944A (en) * 1980-03-17 1981-09-23 Dbx Gain control circuit
GB2133944A (en) * 1980-03-17 1984-08-01 Dbx Gain control circuit
EP0087175A1 (de) * 1982-02-08 1983-08-31 Philips Patentverwaltung GmbH Schaltung zur elektronischen Verstärkungsstellung
US4514702A (en) * 1982-02-08 1985-04-30 U.S. Philips Corporation Logarithmic electronic gain control circuit
GB2156175A (en) * 1984-03-15 1985-10-02 Robin Bransbury Signal processing circuits

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4944018A (en) * 1988-04-04 1990-07-24 Bose Corporation Speed controlled amplifying
US5083080A (en) * 1989-06-30 1992-01-21 Anritsu Corporation High frequency signal measuring equipment with cabled detecting and signal companding
GB2236633B (en) * 1989-10-06 1994-09-07 Hewlett Packard Co Amplifier system

Also Published As

Publication number Publication date
DE3525066C1 (de) 1986-11-06
GB8616814D0 (en) 1986-08-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)