SE7807258L - Frekvensindikerande krets - Google Patents

Frekvensindikerande krets

Info

Publication number
SE7807258L
SE7807258L SE7807258A SE7807258A SE7807258L SE 7807258 L SE7807258 L SE 7807258L SE 7807258 A SE7807258 A SE 7807258A SE 7807258 A SE7807258 A SE 7807258A SE 7807258 L SE7807258 L SE 7807258L
Authority
SE
Sweden
Prior art keywords
indicator circuit
frequency indicator
frequency
circuit
indicator
Prior art date
Application number
SE7807258A
Other languages
English (en)
Swedish (sv)
Inventor
Jr A E Englund
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE7807258L publication Critical patent/SE7807258L/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence
    • 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
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Manipulation Of Pulses (AREA)
SE7807258A 1977-07-05 1978-06-27 Frekvensindikerande krets SE7807258L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,919 US4128811A (en) 1977-07-05 1977-07-05 Frequency indicating circuit

Publications (1)

Publication Number Publication Date
SE7807258L true SE7807258L (sv) 1979-01-06

Family

ID=25210965

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7807258A SE7807258L (sv) 1977-07-05 1978-06-27 Frekvensindikerande krets

Country Status (7)

Country Link
US (1) US4128811A (de)
JP (1) JPS5419791A (de)
DE (1) DE2828519A1 (de)
DK (1) DK304278A (de)
FR (1) FR2397097A1 (de)
GB (1) GB1601068A (de)
SE (1) SE7807258L (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170740A (en) * 1978-02-24 1979-10-09 International Telephone And Telegraph Corporation High voltage switch and capacitive drive
US4219784A (en) * 1978-10-27 1980-08-26 Westinghouse Electric Corp. Phase detection system using sample and hold technique, and phase locked loop using such phase detection system
US4333060A (en) * 1980-07-10 1982-06-01 E-Systems, Inc. Phase locked loop for recovering data bit timing
DE3171263D1 (en) * 1980-12-12 1985-08-08 Philips Electronic Associated Phase sensitive detector
US4387351A (en) * 1980-12-18 1983-06-07 Motorola Inc. Wideband FM modulator and AFC control loop therefor
US4459559A (en) * 1981-11-30 1984-07-10 Rca Corporation Phase frequency detector using shift register
GB8328951D0 (en) * 1983-10-29 1983-11-30 Plessey Co Plc Frequency and phase synchronising arrangements
US4587496A (en) * 1984-09-12 1986-05-06 General Signal Corporation Fast acquisition phase-lock loop
US5101127A (en) * 1989-03-23 1992-03-31 Texas Instruments Incorporated Digital integrated frequency discriminator of external clock and internally generated signal backup
DE9017916U1 (de) * 1990-07-09 1993-01-28 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
US5530383A (en) * 1994-12-05 1996-06-25 May; Michael R. Method and apparatus for a frequency detection circuit for use in a phase locked loop
US6570930B2 (en) * 1998-04-27 2003-05-27 Agilent Technologies, Inc. Three-state differential data transmission with self latching ability

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328688A (en) * 1964-08-24 1967-06-27 Robert R Brooks Phase comparator using bistable and logic elements
US3430148A (en) * 1966-03-14 1969-02-25 Xerox Corp Phase comparator circuit for providing varying width signal which is a function of phase difference and angle of two input signals
US3431509A (en) * 1968-01-08 1969-03-04 Collins Radio Co Phase locked loop with digitalized frequency and phase discriminator
US3610954A (en) * 1970-11-12 1971-10-05 Motorola Inc Phase comparator using logic gates
US3755746A (en) * 1972-03-07 1973-08-28 Collins Radio Co Frequency comparison indicating apparatus
DD100596A1 (de) * 1972-09-21 1973-09-20
US3931585A (en) * 1974-06-17 1976-01-06 Navidyne Corporation Phase comparison systems employing improved phaselock loop apparatus
GB1462408A (en) * 1974-07-26 1977-01-26 Mullard Ltd Circuit for comparing two electrical waveforms

Also Published As

Publication number Publication date
US4128811A (en) 1978-12-05
JPS5419791A (en) 1979-02-14
GB1601068A (en) 1981-10-21
FR2397097A1 (fr) 1979-02-02
DK304278A (da) 1979-01-06
DE2828519A1 (de) 1979-01-18

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