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AU539435B2 - Line modem circuitry - Google Patents
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AU539435B2 - Line modem circuitry - Google Patents

Line modem circuitry

Info

Publication number
AU539435B2
AU539435B2 AU69006/81A AU6900681A AU539435B2 AU 539435 B2 AU539435 B2 AU 539435B2 AU 69006/81 A AU69006/81 A AU 69006/81A AU 6900681 A AU6900681 A AU 6900681A AU 539435 B2 AU539435 B2 AU 539435B2
Authority
AU
Australia
Prior art keywords
line modem
modem circuitry
circuitry
line
modem
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.)
Ceased
Application number
AU69006/81A
Other versions
AU6900681A (en
Inventor
George D. Forney
Andrew M. Kameya
Shahid U.H. Qureshi
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.)
Motorola Solutions Inc
Original Assignee
Codex 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
Priority claimed from US06/136,919 external-priority patent/US4313202A/en
Priority claimed from US06/136,503 external-priority patent/US4439864A/en
Priority claimed from US06/136,754 external-priority patent/US4343041A/en
Priority claimed from US06/136,921 external-priority patent/US4344176A/en
Application filed by Codex Corp filed Critical Codex Corp
Publication of AU6900681A publication Critical patent/AU6900681A/en
Application granted granted Critical
Publication of AU539435B2 publication Critical patent/AU539435B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • 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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
AU69006/81A 1980-04-03 1981-04-01 Line modem circuitry Ceased AU539435B2 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US13692080A 1980-04-03 1980-04-03
US136919 1980-04-03
US06/136,919 US4313202A (en) 1980-04-03 1980-04-03 Modem circuitry
US06/136,503 US4439864A (en) 1980-04-03 1980-04-03 Modem circuitry
US06/136,754 US4343041A (en) 1980-04-03 1980-04-03 Modem circuitry
US136503 1980-04-03
US136921 1980-04-03
US06/136,921 US4344176A (en) 1980-04-03 1980-04-03 Time recovery circuitry in a modem receiver
US136754 1980-04-03
US136920 1987-12-21

Publications (2)

Publication Number Publication Date
AU6900681A AU6900681A (en) 1981-10-22
AU539435B2 true AU539435B2 (en) 1984-09-27

Family

ID=27538025

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69006/81A Ceased AU539435B2 (en) 1980-04-03 1981-04-01 Line modem circuitry

Country Status (1)

Country Link
AU (1) AU539435B2 (en)

Also Published As

Publication number Publication date
AU6900681A (en) 1981-10-22

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