CA971640A - Incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator - Google Patents
Incrementally adjustable capacitor unit for tuning a crystal-controlled oscillatorInfo
- Publication number
- CA971640A CA971640A CA155,447A CA155447A CA971640A CA 971640 A CA971640 A CA 971640A CA 155447 A CA155447 A CA 155447A CA 971640 A CA971640 A CA 971640A
- Authority
- CA
- Canada
- Prior art keywords
- tuning
- crystal
- controlled oscillator
- capacitor unit
- adjustable capacitor
- 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
- 239000003990 capacitor Substances 0.000 title 1
- 239000013078 crystal Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
- H03K3/283—Stabilisation of output, e.g. using crystal
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
- G04F5/066—Trimmer condensators
-
- 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
- H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
- H03B2201/01—Varying the frequency of the oscillations by manual means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
- H03J2200/10—Tuning of a resonator by means of digitally controlled capacitor bank
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19534871A | 1971-11-03 | 1971-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA971640A true CA971640A (en) | 1975-07-22 |
Family
ID=22721080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA155,447A Expired CA971640A (en) | 1971-11-03 | 1972-11-02 | Incrementally adjustable capacitor unit for tuning a crystal-controlled oscillator |
Country Status (11)
Country | Link |
---|---|
US (1) | US3754152A (xx) |
JP (1) | JPS4862363A (xx) |
CA (1) | CA971640A (xx) |
CH (2) | CH563615A (xx) |
DE (1) | DE2253425C3 (xx) |
ES (1) | ES408248A1 (xx) |
FR (1) | FR2158497B1 (xx) |
GB (1) | GB1405644A (xx) |
HK (1) | HK45476A (xx) |
IT (1) | IT970601B (xx) |
NL (1) | NL149939B (xx) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3766616A (en) * | 1972-03-22 | 1973-10-23 | Statek Corp | Microresonator packaging and tuning |
GB1400101A (en) * | 1972-04-06 | 1975-07-16 | Suwa Seikosha Kk | Electronic oscillator circuit for a timepiece |
US3838566A (en) * | 1973-06-13 | 1974-10-01 | Time Computer | Solid state watch having coarse and fine tuning |
JPS5120747U (xx) * | 1974-07-31 | 1976-02-16 | ||
JPS5237437U (xx) * | 1975-09-08 | 1977-03-16 | ||
GB1586064A (en) * | 1976-09-18 | 1981-03-18 | Oxley R F | Trimmer capacitors |
GB8329328D0 (en) * | 1983-11-03 | 1983-12-07 | Sarasota Automation | Loop oscillators |
DE3437492A1 (de) * | 1984-10-12 | 1986-04-17 | Kieninger & Obergfell, Fabrik für technische Laufwerke und Apparate GmbH & Co, 7742 St Georgen | Elektrisches uhrwerk mit einem elektronischen oszillator |
US4644306A (en) * | 1985-07-15 | 1987-02-17 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Programmable electronic synthesized capacitance |
JP2869998B2 (ja) * | 1989-03-03 | 1999-03-10 | セイコーエプソン株式会社 | 圧電発振器 |
US5548821A (en) * | 1992-06-09 | 1996-08-20 | Coveley; Michael | Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
US6193032B1 (en) * | 1998-03-02 | 2001-02-27 | The Penn State Research Foundation | Piezoceramic vibration control device and tuning control thereof |
US6559730B1 (en) * | 2000-07-05 | 2003-05-06 | Cts Corporation | Electronic switch with static control voltage for dynamically switching capacitance in a frequency-adjustable crystal oscillator |
DE10319157A1 (de) * | 2003-04-29 | 2004-11-25 | Infineon Technologies Ag | Integrierte Schaltung mit einer Spannungsüberwachungsschaltung sowie ein Verfahren zum Überwachen einer bereitgestellten internen Burn-In-Spannung |
US7180212B2 (en) * | 2004-07-02 | 2007-02-20 | Visteon Global Technologies, Inc. | Electric machine with integrated electronics in a circular/closed-loop arrangement |
US7365959B1 (en) | 2004-08-12 | 2008-04-29 | Charles Barry Ward | Multi value capacitor |
US7536164B2 (en) * | 2004-09-30 | 2009-05-19 | Silicon Laboratories Inc. | Controlling the frequency of an oscillator |
US7689190B2 (en) * | 2004-09-30 | 2010-03-30 | St-Ericsson Sa | Controlling the frequency of an oscillator |
DE102005022097A1 (de) * | 2005-05-12 | 2006-11-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Schwingungstilgung einer mechanischen Struktur |
US20070004362A1 (en) * | 2005-06-30 | 2007-01-04 | Lawrence Der | Methods and apparatus to generate small frequency changes |
JP5145988B2 (ja) * | 2007-02-27 | 2013-02-20 | セイコーエプソン株式会社 | 発振回路、発振器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT558253A (xx) * | 1953-06-19 | |||
US2960691A (en) * | 1957-06-10 | 1960-11-15 | Bell Telephone Labor Inc | Pulse signaling circuit |
US3100886A (en) * | 1959-04-27 | 1963-08-13 | Admiral Corp | Compressional wave transmitter |
US3235817A (en) * | 1962-12-28 | 1966-02-15 | Westinghouse Air Brake Co | Electrical circuit capable of selectively and simultaneously oscillating at a plurality of different frequencies with no intermodulation occurring between the oscillating frequencies |
US3212252A (en) * | 1963-06-04 | 1965-10-19 | Citizen Watch Co Ltd | Vibratory motor and controlled circuit for a small timepiece |
US3273033A (en) * | 1963-08-29 | 1966-09-13 | Litton Systems Inc | Multidielectric thin film capacitors |
US3282042A (en) * | 1964-09-10 | 1966-11-01 | Bulova Watch Co Inc | Crystal controlled chronometer |
US3447051A (en) * | 1965-01-13 | 1969-05-27 | Union Special Machine Co | Control circuit for electro-mechanical devices |
US3379943A (en) * | 1966-01-17 | 1968-04-23 | American Lava Corp | Multilayered electrical capacitor |
US3400312A (en) * | 1966-09-06 | 1968-09-03 | Sprague Electric Co | Stacked mica capacitor having a multiple value mica film |
JPS452409Y1 (xx) * | 1967-10-31 | 1970-01-31 | ||
US3540209A (en) * | 1968-07-31 | 1970-11-17 | Timex Corp | Horological time display |
GB1242488A (en) * | 1968-10-02 | 1971-08-11 | Suwa Seikosha Kk | Improvements relating to miniature variable condensers |
US3586933A (en) * | 1970-01-15 | 1971-06-22 | Gulton Ind Inc | Trimmable monolithic capacitor and method of making the same |
-
1971
- 1971-11-03 US US00195348A patent/US3754152A/en not_active Expired - Lifetime
-
1972
- 1972-10-27 NL NL727214629A patent/NL149939B/xx unknown
- 1972-10-31 DE DE2253425A patent/DE2253425C3/de not_active Expired
- 1972-11-02 CA CA155,447A patent/CA971640A/en not_active Expired
- 1972-11-02 GB GB5064672A patent/GB1405644A/en not_active Expired
- 1972-11-02 JP JP47110162A patent/JPS4862363A/ja active Pending
- 1972-11-03 CH CH1601572A patent/CH563615A/xx unknown
- 1972-11-03 CH CH1601572D patent/CH1601572A4/xx unknown
- 1972-11-03 ES ES0408248A patent/ES408248A1/es not_active Expired
- 1972-11-03 FR FR7238985A patent/FR2158497B1/fr not_active Expired
- 1972-11-03 IT IT9735/72A patent/IT970601B/it active
-
1976
- 1976-07-15 HK HK454/76*UA patent/HK45476A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1405644A (en) | 1975-09-10 |
JPS4862363A (xx) | 1973-08-31 |
DE2253425A1 (de) | 1973-05-17 |
IT970601B (it) | 1974-04-20 |
US3754152A (en) | 1973-08-21 |
NL149939B (nl) | 1976-06-15 |
CH563615A (xx) | 1975-06-30 |
DE2253425C3 (de) | 1981-07-09 |
HK45476A (en) | 1976-07-23 |
NL7214629A (xx) | 1973-05-07 |
ES408248A1 (es) | 1976-02-16 |
FR2158497B1 (xx) | 1976-04-23 |
DE2253425B2 (de) | 1980-10-23 |
CH1601572A4 (xx) | 1974-12-31 |
FR2158497A1 (xx) | 1973-06-15 |
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