GB1192680A - Frequency Generator - Google Patents

Frequency Generator

Info

Publication number
GB1192680A
GB1192680A GB6060668A GB6060668A GB1192680A GB 1192680 A GB1192680 A GB 1192680A GB 6060668 A GB6060668 A GB 6060668A GB 6060668 A GB6060668 A GB 6060668A GB 1192680 A GB1192680 A GB 1192680A
Authority
GB
United Kingdom
Prior art keywords
oscillator
phase comparator
fed
divider
mixer
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
GB6060668A
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.)
Rohde and Schwarz GmbH and Co KG
Original Assignee
Rohde and Schwarz GmbH and Co KG
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 DE19671537323 external-priority patent/DE1537323C/de
Application filed by Rohde and Schwarz GmbH and Co KG filed Critical Rohde and Schwarz GmbH and Co KG
Publication of GB1192680A publication Critical patent/GB1192680A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB6060668A 1967-12-21 1968-12-20 Frequency Generator Expired GB1192680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671537323 DE1537323C (de) 1967-12-21 1967-12-21 Frequenzgenerator mit Phasenvergleich, dessen Vergleichsfrequenz aus mindestens zwei Normalfrequenzkomponenten gemischt wird

Publications (1)

Publication Number Publication Date
GB1192680A true GB1192680A (en) 1970-05-20

Family

ID=5675885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6060668A Expired GB1192680A (en) 1967-12-21 1968-12-20 Frequency Generator

Country Status (2)

Country Link
FR (1) FR1596815A (enrdf_load_stackoverflow)
GB (1) GB1192680A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214205A (en) * 1978-07-05 1980-07-22 British Aircraft Corporation Radio receiving and retransmitting apparatus with frequency lock circuit
US4322692A (en) 1979-03-06 1982-03-30 Racal-Dana Instruments Limited Microprocessor-controlled frequency synthesizer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254356A (en) * 1975-10-30 1977-05-02 Toshiba Corp Pahse-synchronized variable frequency oscillator
DE4105566A1 (de) * 1991-02-22 1992-09-03 Rohde & Schwarz Hochfrequenzoszillator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214205A (en) * 1978-07-05 1980-07-22 British Aircraft Corporation Radio receiving and retransmitting apparatus with frequency lock circuit
US4322692A (en) 1979-03-06 1982-03-30 Racal-Dana Instruments Limited Microprocessor-controlled frequency synthesizer
US4422053A (en) 1979-03-06 1983-12-20 Racal-Dana Instruments Limited Frequency modulator including frequency synthesizer

Also Published As

Publication number Publication date
FR1596815A (enrdf_load_stackoverflow) 1970-06-22

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees