FR2121674B1 - - Google Patents

Info

Publication number
FR2121674B1
FR2121674B1 FR7200485A FR7200485A FR2121674B1 FR 2121674 B1 FR2121674 B1 FR 2121674B1 FR 7200485 A FR7200485 A FR 7200485A FR 7200485 A FR7200485 A FR 7200485A FR 2121674 B1 FR2121674 B1 FR 2121674B1
Authority
FR
France
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
FR7200485A
Other languages
French (fr)
Other versions
FR2121674A1 (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.)
International Standard Electric Corp
Original Assignee
International 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2121674A1 publication Critical patent/FR2121674A1/fr
Application granted granted Critical
Publication of FR2121674B1 publication Critical patent/FR2121674B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H03C7/025—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
    • H03C7/027—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using diodes
    • 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
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
FR7200485A 1971-01-08 1972-01-07 Expired FR2121674B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0014/71A GB1279361A (en) 1971-01-08 1971-01-08 Frequency changing device
US21698271A 1971-01-11 1971-01-11

Publications (2)

Publication Number Publication Date
FR2121674A1 FR2121674A1 (en) 1972-08-25
FR2121674B1 true FR2121674B1 (en) 1976-09-03

Family

ID=26236359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200485A Expired FR2121674B1 (en) 1971-01-08 1972-01-07

Country Status (4)

Country Link
US (1) US3757222A (en)
DE (1) DE2200458A1 (en)
FR (1) FR2121674B1 (en)
GB (1) GB1279361A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4954791A (en) * 1989-09-29 1990-09-04 Hewlett-Packard Company Non-commensurate line length rf modulator
US5450044A (en) * 1993-04-14 1995-09-12 Acrodyne Industries, Inc. Quadrature amplitude modulator including a digital amplitude modulator as a component thereof
US5469127A (en) * 1992-08-04 1995-11-21 Acrodyne Industries, Inc. Amplification apparatus and method including modulator component
US5376888A (en) * 1993-06-09 1994-12-27 Hook; William R. Timing markers in time domain reflectometry systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290624A (en) * 1964-02-10 1966-12-06 Microwave Ass Phase shifter in iterative circuits using semiconductors
GB1119879A (en) * 1966-08-18 1968-07-17 Ass Elect Ind Improvements relating to modulators
US3423699A (en) * 1967-04-10 1969-01-21 Microwave Ass Digital electric wave phase shifters
GB1187760A (en) * 1969-03-13 1970-04-15 Standard Telephones Cables Ltd Phase-Shifting Arrangement
US3573660A (en) * 1969-04-24 1971-04-06 Robert V Garver Broadband, reflection-type single sideband modulators

Also Published As

Publication number Publication date
GB1279361A (en) 1972-06-28
DE2200458A1 (en) 1972-07-20
FR2121674A1 (en) 1972-08-25
US3757222A (en) 1973-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse