FR1307700A - Development of variable frequency circuits - Google Patents

Development of variable frequency circuits

Info

Publication number
FR1307700A
FR1307700A FR881345A FR881345A FR1307700A FR 1307700 A FR1307700 A FR 1307700A FR 881345 A FR881345 A FR 881345A FR 881345 A FR881345 A FR 881345A FR 1307700 A FR1307700 A FR 1307700A
Authority
FR
France
Prior art keywords
development
variable frequency
frequency circuits
circuits
variable
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
FR881345A
Other languages
French (fr)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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
Priority claimed from GB42273/60A external-priority patent/GB933934A/en
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to FR881345A priority Critical patent/FR1307700A/en
Application granted granted Critical
Publication of FR1307700A publication Critical patent/FR1307700A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
FR881345A 1960-12-08 1961-12-08 Development of variable frequency circuits Expired FR1307700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR881345A FR1307700A (en) 1960-12-08 1961-12-08 Development of variable frequency circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB42273/60A GB933934A (en) 1960-12-08 1960-12-08 Improvements in or relating to frequency varying circuit arrangements
FR881345A FR1307700A (en) 1960-12-08 1961-12-08 Development of variable frequency circuits

Publications (1)

Publication Number Publication Date
FR1307700A true FR1307700A (en) 1962-10-26

Family

ID=26193415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881345A Expired FR1307700A (en) 1960-12-08 1961-12-08 Development of variable frequency circuits

Country Status (1)

Country Link
FR (1) FR1307700A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160149A2 (en) * 1984-04-23 1985-11-06 Hewlett-Packard Company Pre-distortion shaping networks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0160149A2 (en) * 1984-04-23 1985-11-06 Hewlett-Packard Company Pre-distortion shaping networks
EP0160149A3 (en) * 1984-04-23 1987-04-01 Hewlett-Packard Company Pre-distortion shaping networks

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