CA934016A - Regulating amplifier - Google Patents

Regulating amplifier

Info

Publication number
CA934016A
CA934016A CA934016A CA934016DA CA934016A CA 934016 A CA934016 A CA 934016A CA 934016 A CA934016 A CA 934016A CA 934016D A CA934016D A CA 934016DA CA 934016 A CA934016 A CA 934016A
Authority
CA
Canada
Prior art keywords
regulating amplifier
amplifier
regulating
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
CA934016A
Inventor
G. Harmgardt Hans-Lothar
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Application granted granted Critical
Publication of CA934016A publication Critical patent/CA934016A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
CA934016A 1971-02-03 1971-02-03 Regulating amplifier Expired CA934016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA104424 1971-02-03

Publications (1)

Publication Number Publication Date
CA934016A true CA934016A (en) 1973-09-18

Family

ID=4088660

Family Applications (1)

Application Number Title Priority Date Filing Date
CA934016A Expired CA934016A (en) 1971-02-03 1971-02-03 Regulating amplifier

Country Status (1)

Country Link
CA (1) CA934016A (en)

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