GB1094348A - Circuit arrangement for producing a retuning voltage - Google Patents
Circuit arrangement for producing a retuning voltageInfo
- Publication number
- GB1094348A GB1094348A GB4714566A GB4714566A GB1094348A GB 1094348 A GB1094348 A GB 1094348A GB 4714566 A GB4714566 A GB 4714566A GB 4714566 A GB4714566 A GB 4714566A GB 1094348 A GB1094348 A GB 1094348A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- fed
- detector
- phase
- oscillator
- 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
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
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
- H03B19/16—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using uncontrolled rectifying devices, e.g. rectifying diodes or Schottky diodes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D19/00—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase
- G05D19/02—Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1445—Control of position or direction using feedback using an analogue comparing device with a plurality of loops
- G05D3/1454—Control of position or direction using feedback using an analogue comparing device with a plurality of loops using models or predicting devices
-
- 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
-
- 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
-
- 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
-
- 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
- H03L7/183—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 time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
- H03L7/187—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 time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of the loop
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
1,094,348. Automatic phase control systems. INTERNATIONAL STANDARD ELECTRIC CORPORATION. Oct. 21, 1966 [Oct. 27, 1965], No. 47145/66. Heading H3A. The output of a controlled oscillator 1 is fed to phase detectors 2 and 3 where it is combined with in-phase and quadrature signals at a reference frequency f o ; the output of detector 3 is differentiated in unit 4 and fed to a further phase detector 5 where it is compared with the output of detector 2 to produce an output which is positive or negative according to the sense of the frequency deviation of oscillator 1. The outputs of detectors 5 and 2 are fed through respective amplifiers 6, 7 and filters 8, 9 to the tuning element 10 of the oscillator 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST024564 | 1965-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1094348A true GB1094348A (en) | 1967-12-06 |
Family
ID=7460178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4714566A Expired GB1094348A (en) | 1965-10-27 | 1966-10-21 | Circuit arrangement for producing a retuning voltage |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1501147A (en) |
GB (1) | GB1094348A (en) |
NL (1) | NL6615168A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2253749A (en) * | 1990-12-14 | 1992-09-16 | Motorola Inc | Fast frequency acquisition in a phase locked loop |
-
1966
- 1966-10-21 GB GB4714566A patent/GB1094348A/en not_active Expired
- 1966-10-26 NL NL6615168A patent/NL6615168A/xx unknown
- 1966-10-27 FR FR81719A patent/FR1501147A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2253749A (en) * | 1990-12-14 | 1992-09-16 | Motorola Inc | Fast frequency acquisition in a phase locked loop |
GB2253749B (en) * | 1990-12-14 | 1995-05-17 | Motorola Inc | Method for fast frequency acquisition in a phase locked loop |
Also Published As
Publication number | Publication date |
---|---|
FR1501147A (en) | 1967-11-10 |
NL6615168A (en) | 1967-04-28 |
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