GB993175A - Improvements in or relating to sine and cosine component generating circuit arrangements - Google Patents

Improvements in or relating to sine and cosine component generating circuit arrangements

Info

Publication number
GB993175A
GB993175A GB3199562A GB3199562A GB993175A GB 993175 A GB993175 A GB 993175A GB 3199562 A GB3199562 A GB 3199562A GB 3199562 A GB3199562 A GB 3199562A GB 993175 A GB993175 A GB 993175A
Authority
GB
United Kingdom
Prior art keywords
sine
antenna
integrators
oscillator
train
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
GB3199562A
Other languages
English (en)
Inventor
David Horace Chandler
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.)
BAE Systems Electronics Ltd
Original Assignee
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 to NL296906D priority Critical patent/NL296906A/xx
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB3199562A priority patent/GB993175A/en
Priority to SE7687/63A priority patent/SE319812B/xx
Priority to DE1963M0057907 priority patent/DE1303123C2/de
Priority to FR945269A priority patent/FR1367248A/fr
Publication of GB993175A publication Critical patent/GB993175A/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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04—Display arrangements
    • G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
    • G01S7/10—Providing two-dimensional and co-ordinated display of distance and direction
    • G01S7/12—Plan-position indicators, i.e. P.P.I.
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities
    • 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
    • H03B2200/0078—Functional aspects of oscillators generating or using signals in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB3199562A 1962-08-21 1962-08-21 Improvements in or relating to sine and cosine component generating circuit arrangements Expired GB993175A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL296906D NL296906A (cs) 1962-08-21
GB3199562A GB993175A (en) 1962-08-21 1962-08-21 Improvements in or relating to sine and cosine component generating circuit arrangements
SE7687/63A SE319812B (cs) 1962-08-21 1963-07-10
DE1963M0057907 DE1303123C2 (cs) 1962-08-21 1963-08-21
FR945269A FR1367248A (fr) 1962-08-21 1963-08-21 Arrangements de circuits générateurs de composants de courbes en sinus et cosinus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3199562A GB993175A (en) 1962-08-21 1962-08-21 Improvements in or relating to sine and cosine component generating circuit arrangements

Publications (1)

Publication Number Publication Date
GB993175A true GB993175A (en) 1965-05-26

Family

ID=10331449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3199562A Expired GB993175A (en) 1962-08-21 1962-08-21 Improvements in or relating to sine and cosine component generating circuit arrangements

Country Status (5)

Country Link
DE (1) DE1303123C2 (cs)
FR (1) FR1367248A (cs)
GB (1) GB993175A (cs)
NL (1) NL296906A (cs)
SE (1) SE319812B (cs)

Also Published As

Publication number Publication date
FR1367248A (fr) 1964-07-17
NL296906A (cs)
DE1303123C2 (cs) 1972-06-15
SE319812B (cs) 1970-01-26
DE1303123B (cs) 1972-11-18

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