GB2009547B - Oscillator circuits - Google Patents
Oscillator circuitsInfo
- Publication number
- GB2009547B GB2009547B GB7847144A GB7847144A GB2009547B GB 2009547 B GB2009547 B GB 2009547B GB 7847144 A GB7847144 A GB 7847144A GB 7847144 A GB7847144 A GB 7847144A GB 2009547 B GB2009547 B GB 2009547B
- Authority
- GB
- United Kingdom
- Prior art keywords
- oscillator circuits
- oscillator
- circuits
- 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
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
-
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
- H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
- H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
-
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
-
- 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
- H03B2201/02—Varying the frequency of the oscillations by electronic means
- H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7847144A GB2009547B (en) | 1977-12-03 | 1978-12-05 | Oscillator circuits |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5045477 | 1977-12-03 | ||
GB7847144A GB2009547B (en) | 1977-12-03 | 1978-12-05 | Oscillator circuits |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2009547A GB2009547A (en) | 1979-06-13 |
GB2009547B true GB2009547B (en) | 1982-03-03 |
Family
ID=26266676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7847144A Expired GB2009547B (en) | 1977-12-03 | 1978-12-05 | Oscillator circuits |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2009547B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8303819A (en) * | 1983-11-07 | 1985-06-03 | Philips Nv | SAMPLED COSTAS LOOP. |
FR2781099B1 (en) * | 1998-07-08 | 2000-09-01 | St Microelectronics Sa | OSCILLATOR WITH TWO QUADRATURE OUTPUTS |
-
1978
- 1978-12-05 GB GB7847144A patent/GB2009547B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2009547A (en) | 1979-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2862337D1 (en) | Complementary mis-semiconductor integrated circuits | |
GB1550600A (en) | Integrated circuit | |
HK40882A (en) | Circuits having precise transition points | |
GB2011167B (en) | Integrated circuits | |
GB2001197B (en) | Integrated circuits | |
JPS53128240A (en) | Integrated circuit | |
GB2063605B (en) | Oscillator circuit | |
JPS5467358A (en) | Bias circuit for piezooelectric oscillator | |
JPS5394160A (en) | Muutuning circuit | |
JPS5432008A (en) | Tuning circuit | |
JPS53110444A (en) | Ladderrtype circuit | |
JPS5477037A (en) | Selffgate circuit | |
GB2008317B (en) | Integrated lobic circuits | |
JPS5395225A (en) | Switchinggtype constanttcurrent circuit | |
JPS53146560A (en) | Oscillator | |
GB2009547B (en) | Oscillator circuits | |
JPS5466758A (en) | Pll circuit | |
GB2000396B (en) | Transverter circuit | |
JPS5436980A (en) | Meterrdriving circuit | |
JPS5456790A (en) | Oscillator | |
JPS54556A (en) | Pll circuit | |
JPS5433652A (en) | Oscillator substrate | |
JPS541874A (en) | Circuit parts | |
JPS5449101A (en) | Supperssed circuit | |
GB1542484A (en) | Oscillator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19951205 |