FR2410916A1 - PROCESS FOR REALIZING THE DIGITAL FREQUENCY DIVISION - Google Patents
PROCESS FOR REALIZING THE DIGITAL FREQUENCY DIVISIONInfo
- Publication number
- FR2410916A1 FR2410916A1 FR7832964A FR7832964A FR2410916A1 FR 2410916 A1 FR2410916 A1 FR 2410916A1 FR 7832964 A FR7832964 A FR 7832964A FR 7832964 A FR7832964 A FR 7832964A FR 2410916 A1 FR2410916 A1 FR 2410916A1
- Authority
- FR
- France
- Prior art keywords
- frequency division
- digital frequency
- realizing
- frequency
- division
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
- H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
- H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
- H03K23/68—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is a non-integer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Manipulation Of Pulses (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Networks Using Active Elements (AREA)
- Power Conversion In General (AREA)
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
L'INVENTION CONCERNE UN PROCEDE POUR REALISER LA DIVISION NUMERIQUE DE FREQUENCE. CE PROCEDE MET EN OEUVRE UN DIVISEUR DE FREQUENCE DONT LE RAPPORT DE DIVISION ZN VARIE DE FACON APPROPRIEE PENDANT N PERIODES D'ENTREE, ET DONT LE SPECTRE DE PUISSANCE EST TRANSFORME DE MANIERE QUE L'HARMONIQUE DESIREE ZN.F (F: FREQUENCE) POSSEDE L'ENERGIE MAXIMALE ET QUE LES DEUX HARMONIQUES VOISINES POSSEDENT L'ENERGIE MINIMALE. APPLICATION NOTAMMENT AUX COMPTEURS PROGRAMMABLES.THE INVENTION RELATES TO A PROCESS FOR ACHIEVING THE DIGITAL FREQUENCY DIVISION. THIS PROCESS IMPLETS A FREQUENCY DIVIDER WHOSE ZN DIVISION RATIO VARIES APPROPRIATELY DURING N ENTRY PERIODS, AND WHOSE POWER SPECTRUM IS TRANSFORMED AS DESIRED HARMONIC ZN.F (F: FREQUENCY) POSSESSED THE MAXIMUM ENERGY AND THAT THE TWO NEIGHBORING HARMONICS HAVE THE MINIMUM ENERGY. APPLICATION IN PARTICULAR TO PROGRAMMABLE COUNTERS.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772753453 DE2753453C2 (en) | 1977-11-30 | 1977-11-30 | Digital frequency divider |
DE19772753398 DE2753398C2 (en) | 1977-11-30 | 1977-11-30 | Method for digital frequency division |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2410916A1 true FR2410916A1 (en) | 1979-06-29 |
FR2410916B1 FR2410916B1 (en) | 1981-06-12 |
Family
ID=25773185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7832964A Granted FR2410916A1 (en) | 1977-11-30 | 1978-11-22 | PROCESS FOR REALIZING THE DIGITAL FREQUENCY DIVISION |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5486258A (en) |
AU (1) | AU511637B2 (en) |
BR (1) | BR7807823A (en) |
CH (1) | CH641609A5 (en) |
DK (1) | DK534478A (en) |
FR (1) | FR2410916A1 (en) |
GB (1) | GB2011684B (en) |
IT (1) | IT1101130B (en) |
LU (1) | LU80587A1 (en) |
NL (1) | NL7811728A (en) |
NO (1) | NO149088C (en) |
SE (1) | SE7812310L (en) |
YU (1) | YU278678A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE445868B (en) * | 1984-12-12 | 1986-07-21 | Ellemtel Utvecklings Ab | DEVICE FOR DIVIDING A CLOCK RATE |
FR2865326B1 (en) * | 2004-01-20 | 2006-07-21 | Thales Sa | FREQUENCY DIVISION METHOD AND DEVICE |
CN113064152B (en) * | 2021-03-18 | 2024-06-04 | 江苏蛮酷科技有限公司 | Radar waveform design method, device and computer storage medium |
-
1978
- 1978-11-01 CH CH1123878A patent/CH641609A5/en not_active IP Right Cessation
- 1978-11-21 GB GB7845416A patent/GB2011684B/en not_active Expired
- 1978-11-22 FR FR7832964A patent/FR2410916A1/en active Granted
- 1978-11-24 IT IT30131/78A patent/IT1101130B/en active
- 1978-11-27 YU YU02786/78A patent/YU278678A/en unknown
- 1978-11-27 NO NO783984A patent/NO149088C/en unknown
- 1978-11-28 LU LU80587A patent/LU80587A1/en unknown
- 1978-11-29 JP JP14668278A patent/JPS5486258A/en active Pending
- 1978-11-29 BR BR7807823A patent/BR7807823A/en unknown
- 1978-11-29 AU AU42052/78A patent/AU511637B2/en not_active Expired
- 1978-11-29 DK DK534478A patent/DK534478A/en unknown
- 1978-11-29 SE SE7812310A patent/SE7812310L/en unknown
- 1978-11-30 NL NL7811728A patent/NL7811728A/en not_active Application Discontinuation
Non-Patent Citations (2)
Title |
---|
EXBK/73 * |
EXBK/76 * |
Also Published As
Publication number | Publication date |
---|---|
IT7830131A0 (en) | 1978-11-24 |
BR7807823A (en) | 1979-06-26 |
DK534478A (en) | 1979-05-31 |
IT1101130B (en) | 1985-09-28 |
CH641609A5 (en) | 1984-02-29 |
AU511637B2 (en) | 1980-08-28 |
NO149088B (en) | 1983-10-31 |
YU278678A (en) | 1982-06-30 |
JPS5486258A (en) | 1979-07-09 |
GB2011684B (en) | 1982-06-16 |
FR2410916B1 (en) | 1981-06-12 |
NL7811728A (en) | 1979-06-01 |
NO783984L (en) | 1979-05-31 |
NO149088C (en) | 1984-02-08 |
SE7812310L (en) | 1979-05-31 |
LU80587A1 (en) | 1980-06-05 |
GB2011684A (en) | 1979-07-11 |
AU4205278A (en) | 1979-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |