MX9100958A - Circuito contador de modulo dual - Google Patents
Circuito contador de modulo dualInfo
- Publication number
- MX9100958A MX9100958A MX9100958A MX9100958A MX9100958A MX 9100958 A MX9100958 A MX 9100958A MX 9100958 A MX9100958 A MX 9100958A MX 9100958 A MX9100958 A MX 9100958A MX 9100958 A MX9100958 A MX 9100958A
- Authority
- MX
- Mexico
- Prior art keywords
- counter circuit
- dual module
- module counter
- dual
- circuit
- Prior art date
Links
- 230000009977 dual effect Effects 0.000 title 1
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
- H03L7/183—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
- H03L7/193—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 the frequency divider/counter comprising a commutable pre-divider, e.g. a two modulus divider
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/578,259 US5066927A (en) | 1990-09-06 | 1990-09-06 | Dual modulus counter for use in a phase locked loop |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9100958A true MX9100958A (es) | 1992-05-04 |
Family
ID=24312092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9100958A MX9100958A (es) | 1990-09-06 | 1991-09-05 | Circuito contador de modulo dual |
Country Status (11)
Country | Link |
---|---|
US (1) | US5066927A (es) |
EP (1) | EP0474616B1 (es) |
JP (1) | JP2978296B2 (es) |
AU (1) | AU638602B2 (es) |
CA (1) | CA2050676C (es) |
DE (1) | DE69128013T2 (es) |
ES (1) | ES2109939T3 (es) |
FI (1) | FI105617B (es) |
HK (1) | HK1004075A1 (es) |
MX (1) | MX9100958A (es) |
NZ (1) | NZ239629A (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3927967A1 (de) * | 1989-08-24 | 1991-02-28 | Bosch Gmbh Robert | Elektronischer zaehler |
US5220275A (en) * | 1991-07-26 | 1993-06-15 | Ericsson Ge Mobile Communication Holding, Inc. | Accumulator phase digitizer |
US5359635A (en) * | 1993-04-19 | 1994-10-25 | Codex, Corp. | Programmable frequency divider in a phase lock loop |
JPH0943281A (ja) * | 1995-07-28 | 1997-02-14 | Nec Corp | カウンタ装置 |
US5703514A (en) * | 1995-12-21 | 1997-12-30 | Hughes Electronics | Digital frequency divider phase shifter |
US5673051A (en) * | 1995-12-21 | 1997-09-30 | Hughes Electronics | Discrete phase modulator |
FR2764139B1 (fr) * | 1997-05-29 | 1999-07-23 | Alsthom Cge Alcatel | Dispositif de division de frequence a prediviseur suivi d'un compteur programmable, prediviseur et synthetiseur de frequence correspondants |
US6035182A (en) * | 1998-01-20 | 2000-03-07 | Motorola, Inc. | Single counter dual modulus frequency division apparatus |
US6418174B1 (en) * | 1999-02-19 | 2002-07-09 | Rf Micro Devices, Inc. | Frequency shift key modulator |
US6597246B2 (en) * | 2001-05-14 | 2003-07-22 | Dsp Group, Inc. | Methods and apparatus for alteration of terminal counts of phase-locked loops |
US6707874B2 (en) | 2002-04-15 | 2004-03-16 | Charles Douglas Murphy | Multiple-output counters for analog-to-digital and digital-to-analog conversion |
FR2865326B1 (fr) * | 2004-01-20 | 2006-07-21 | Thales Sa | Procede et dispositif de division de frequence |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4053739A (en) * | 1976-08-11 | 1977-10-11 | Motorola, Inc. | Dual modulus programmable counter |
US4084082A (en) * | 1976-10-12 | 1978-04-11 | Fairchild Camera And Instrument Corporation | Programmable counter |
US4184068A (en) * | 1977-11-14 | 1980-01-15 | Harris Corporation | Full binary programmed frequency divider |
JPS5673907A (en) * | 1979-11-21 | 1981-06-19 | Hitachi Ltd | Frequency divider |
US4316151A (en) * | 1980-02-13 | 1982-02-16 | Motorola, Inc. | Phase locked loop frequency synthesizer using multiple dual modulus prescalers |
US4325031A (en) * | 1980-02-13 | 1982-04-13 | Motorola, Inc. | Divider with dual modulus prescaler for phase locked loop frequency synthesizer |
US4468797A (en) * | 1981-02-13 | 1984-08-28 | Oki Electric Industry Co., Ltd. | Swallow counters |
US4555793A (en) * | 1983-11-28 | 1985-11-26 | Allied Corporation | Averaging non-integer frequency division apparatus |
US4658406A (en) * | 1985-08-12 | 1987-04-14 | Andreas Pappas | Digital frequency divider or synthesizer and applications thereof |
US4856032A (en) * | 1987-01-12 | 1989-08-08 | Motorola, Inc. | High speed programmable frequency divider and PLL |
US4891825A (en) * | 1988-02-09 | 1990-01-02 | Motorola, Inc. | Fully synchronized programmable counter with a near 50% duty cycle output signal |
-
1990
- 1990-09-06 US US07/578,259 patent/US5066927A/en not_active Expired - Lifetime
-
1991
- 1991-09-02 NZ NZ239629A patent/NZ239629A/xx unknown
- 1991-09-04 CA CA002050676A patent/CA2050676C/en not_active Expired - Fee Related
- 1991-09-04 FI FI914166A patent/FI105617B/fi active
- 1991-09-05 ES ES91850217T patent/ES2109939T3/es not_active Expired - Lifetime
- 1991-09-05 EP EP91850217A patent/EP0474616B1/en not_active Expired - Lifetime
- 1991-09-05 MX MX9100958A patent/MX9100958A/es not_active IP Right Cessation
- 1991-09-05 AU AU83697/91A patent/AU638602B2/en not_active Ceased
- 1991-09-05 DE DE69128013T patent/DE69128013T2/de not_active Expired - Fee Related
- 1991-09-06 JP JP3227356A patent/JP2978296B2/ja not_active Expired - Lifetime
-
1998
- 1998-04-14 HK HK98103077A patent/HK1004075A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NZ239629A (en) | 1995-01-27 |
FI914166A0 (fi) | 1991-09-04 |
JP2978296B2 (ja) | 1999-11-15 |
EP0474616B1 (en) | 1997-10-22 |
EP0474616A3 (en) | 1992-06-03 |
JPH05183428A (ja) | 1993-07-23 |
AU638602B2 (en) | 1993-07-01 |
DE69128013D1 (de) | 1997-11-27 |
DE69128013T2 (de) | 1998-02-19 |
CA2050676A1 (en) | 1992-03-07 |
US5066927A (en) | 1991-11-19 |
ES2109939T3 (es) | 1998-02-01 |
FI914166A (fi) | 1992-03-07 |
EP0474616A2 (en) | 1992-03-11 |
FI105617B (fi) | 2000-09-15 |
HK1004075A1 (en) | 1998-11-13 |
CA2050676C (en) | 2001-02-20 |
AU8369791A (en) | 1992-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |