ZA754737B - Telephone microphone amplifier - Google Patents

Telephone microphone amplifier

Info

Publication number
ZA754737B
ZA754737B ZA00754737A ZA754737A ZA754737B ZA 754737 B ZA754737 B ZA 754737B ZA 00754737 A ZA00754737 A ZA 00754737A ZA 754737 A ZA754737 A ZA 754737A ZA 754737 B ZA754737 B ZA 754737B
Authority
ZA
South Africa
Prior art keywords
microphone amplifier
telephone microphone
telephone
amplifier
microphone
Prior art date
Application number
ZA00754737A
Inventor
C Saunders
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of ZA754737B publication Critical patent/ZA754737B/en

Links

Classifications

    • 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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
ZA00754737A 1974-08-05 1975-07-23 Telephone microphone amplifier ZA754737B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPB840774 1974-08-05

Publications (1)

Publication Number Publication Date
ZA754737B true ZA754737B (en) 1976-06-30

Family

ID=3765962

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00754737A ZA754737B (en) 1974-08-05 1975-07-23 Telephone microphone amplifier

Country Status (3)

Country Link
AU (1) AU8348075A (en)
GB (1) GB1480301A (en)
ZA (1) ZA754737B (en)

Also Published As

Publication number Publication date
GB1480301A (en) 1977-07-20
AU8348075A (en) 1977-02-03

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