GB1295957A - - Google Patents

Info

Publication number
GB1295957A
GB1295957A GB1295957DA GB1295957A GB 1295957 A GB1295957 A GB 1295957A GB 1295957D A GB1295957D A GB 1295957DA GB 1295957 A GB1295957 A GB 1295957A
Authority
GB
United Kingdom
Prior art keywords
circuit
frequency
timer
counter
input
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)
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 filed Critical
Publication of GB1295957A publication Critical patent/GB1295957A/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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/181—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a numerical count result being used for locking the loop, the counter counting during fixed time intervals
    • 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
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Selective Calling Equipment (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB1295957D 1969-12-06 1970-11-30 Expired GB1295957A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691961329 DE1961329B2 (de) 1969-12-06 1969-12-06 Digital einstellbarer frequenzgeregelter schwingungserzeuger

Publications (1)

Publication Number Publication Date
GB1295957A true GB1295957A (enrdf_load_stackoverflow) 1972-11-08

Family

ID=5753209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295957D Expired GB1295957A (enrdf_load_stackoverflow) 1969-12-06 1970-11-30

Country Status (2)

Country Link
DE (1) DE1961329B2 (enrdf_load_stackoverflow)
GB (1) GB1295957A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112255618A (zh) * 2020-09-29 2021-01-22 中国兵器工业集团第二一四研究所苏州研发中心 一种像元级的时刻鉴别电路

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164164C (nl) * 1970-09-24 1980-11-17 Philips Nv Breedbandige regelbare frequentiegenerator.
CA1096519A (en) * 1976-10-27 1981-02-24 Rca Corporation Phase locked loop tuning system with a preset channel memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112255618A (zh) * 2020-09-29 2021-01-22 中国兵器工业集团第二一四研究所苏州研发中心 一种像元级的时刻鉴别电路
CN112255618B (zh) * 2020-09-29 2024-01-05 中国兵器工业集团第二一四研究所苏州研发中心 一种像元级的时刻鉴别电路

Also Published As

Publication number Publication date
DE1961329A1 (de) 1971-06-24
DE1961329B2 (de) 1972-06-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee