FR862905A - Oscillateur hétérodyne pour large bande de fréquences - Google Patents

Oscillateur hétérodyne pour large bande de fréquences

Info

Publication number
FR862905A
FR862905A FR862905DA FR862905A FR 862905 A FR862905 A FR 862905A FR 862905D A FR862905D A FR 862905DA FR 862905 A FR862905 A FR 862905A
Authority
FR
France
Prior art keywords
frequency band
wide frequency
heterodyne oscillator
heterodyne
oscillator
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
Other languages
English (en)
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Application granted granted Critical
Publication of FR862905A publication Critical patent/FR862905A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR862905D 1939-01-17 1940-01-15 Oscillateur hétérodyne pour large bande de fréquences Expired FR862905A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251321A US2252870A (en) 1939-01-17 1939-01-17 Carrier frequency heterodyne oscillator

Publications (1)

Publication Number Publication Date
FR862905A true FR862905A (fr) 1941-03-19

Family

ID=22951440

Family Applications (1)

Application Number Title Priority Date Filing Date
FR862905D Expired FR862905A (fr) 1939-01-17 1940-01-15 Oscillateur hétérodyne pour large bande de fréquences

Country Status (2)

Country Link
US (1) US2252870A (fr)
FR (1) FR862905A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR979981A (fr) * 1942-11-23 1951-05-07 Perfectionnements aux transmissions radio-électriques
US2475179A (en) * 1944-05-03 1949-07-05 Bendix Aviat Corp Q meter
US2537972A (en) * 1944-08-11 1951-01-16 Collins Radio Co Radio communication transmitting and receiving combination
US2469829A (en) * 1946-07-13 1949-05-10 Bell Telephone Labor Inc Method and system for measuring frequency
US2557817A (en) * 1948-09-30 1951-06-19 Rca Corp Alternating current frequency measuring
US2666140A (en) * 1949-11-16 1954-01-12 Wallace Marcel Beat frequency oscillator

Also Published As

Publication number Publication date
US2252870A (en) 1941-08-19

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