IT971904B - Circuito per la definizione digi tale della frequenza di un oscil latore inserito in un circuito di regolazione - Google Patents
Circuito per la definizione digi tale della frequenza di un oscil latore inserito in un circuito di regolazioneInfo
- Publication number
- IT971904B IT971904B IT32953/72A IT3295372A IT971904B IT 971904 B IT971904 B IT 971904B IT 32953/72 A IT32953/72 A IT 32953/72A IT 3295372 A IT3295372 A IT 3295372A IT 971904 B IT971904 B IT 971904B
- Authority
- IT
- Italy
- Prior art keywords
- circuit
- oscilator
- frequency
- digital definition
- regulation
- Prior art date
Links
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
- H03L7/08—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2164175A DE2164175C3 (de) | 1971-12-23 | 1971-12-23 | Schaltung zur digitalen Frequenzeinstellung eines in einer Regelschleife liegenden Oszillators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT971904B true IT971904B (it) | 1974-05-10 |
Family
ID=5829021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT32953/72A IT971904B (it) | 1971-12-23 | 1972-12-15 | Circuito per la definizione digi tale della frequenza di un oscil latore inserito in un circuito di regolazione |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3889204A (it) |
| JP (1) | JPS528140B2 (it) |
| DE (1) | DE2164175C3 (it) |
| FR (1) | FR2164655B1 (it) |
| GB (1) | GB1343108A (it) |
| IT (1) | IT971904B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2090413B (en) * | 1979-11-09 | 1984-07-18 | Krautkraemer Gmbh | Ultrasonic testing |
| US5117756A (en) * | 1989-02-03 | 1992-06-02 | Atlas Powder Company | Method and apparatus for a calibrated electronic timing circuit |
| JP4722654B2 (ja) * | 2004-12-20 | 2011-07-13 | ルネサスエレクトロニクス株式会社 | オシレータ及びこれを用いたチャージポンプ回路 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3256493A (en) * | 1963-03-13 | 1966-06-14 | Singer Co | Controlled frequency sweep circuits |
| US3286191A (en) * | 1965-04-08 | 1966-11-15 | Hoffman Electronics Corp | Afc with offset frequency divider |
| US3458823A (en) * | 1967-03-20 | 1969-07-29 | Weston Instruments Inc | Frequency coincidence detector |
| US3514698A (en) * | 1967-07-17 | 1970-05-26 | Thomas J Rey | Device for generating or measuring preselected frequency signals |
| GB1264903A (it) * | 1969-07-31 | 1972-02-23 | ||
| US3694766A (en) * | 1971-08-30 | 1972-09-26 | Gte Sylvania Inc | Frequency synthesizer apparatus |
-
1971
- 1971-12-23 DE DE2164175A patent/DE2164175C3/de not_active Expired
-
1972
- 1972-12-15 IT IT32953/72A patent/IT971904B/it active
- 1972-12-15 US US315503A patent/US3889204A/en not_active Expired - Lifetime
- 1972-12-18 FR FR7245016A patent/FR2164655B1/fr not_active Expired
- 1972-12-20 JP JP47128050A patent/JPS528140B2/ja not_active Expired
- 1972-12-20 GB GB5883672A patent/GB1343108A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2164175A1 (de) | 1973-06-28 |
| JPS528140B2 (it) | 1977-03-07 |
| JPS4874157A (it) | 1973-10-05 |
| DE2164175C3 (de) | 1978-03-30 |
| FR2164655A1 (it) | 1973-08-03 |
| FR2164655B1 (it) | 1976-10-29 |
| DE2164175B2 (de) | 1977-08-04 |
| GB1343108A (en) | 1974-01-10 |
| US3889204A (en) | 1975-06-10 |
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