HK1071479A1 - An apparatus for providing an oscillating signal to a load - Google Patents
An apparatus for providing an oscillating signal to a loadInfo
- Publication number
- HK1071479A1 HK1071479A1 HK05104124A HK05104124A HK1071479A1 HK 1071479 A1 HK1071479 A1 HK 1071479A1 HK 05104124 A HK05104124 A HK 05104124A HK 05104124 A HK05104124 A HK 05104124A HK 1071479 A1 HK1071479 A1 HK 1071479A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- power
- load
- isolator
- oscillating signal
- providing
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 abstract 2
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
- H03L5/02—Automatic control of voltage, current, or power of power
-
- 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
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/08—Modifications of the phase-locked loop for ensuring constant frequency when the power supply fails or is interrupted, e.g. for saving power
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Electrophonic Musical Instruments (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0312445A GB2402273B (en) | 2003-05-30 | 2003-05-30 | An apparatus for providing an oscillating signal to a load |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1071479A1 true HK1071479A1 (en) | 2005-07-15 |
Family
ID=9959048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK05104124A HK1071479A1 (en) | 2003-05-30 | 2005-05-17 | An apparatus for providing an oscillating signal to a load |
Country Status (8)
Country | Link |
---|---|
US (1) | US7414487B2 (xx) |
EP (1) | EP1629600B1 (xx) |
KR (1) | KR20060035607A (xx) |
AT (1) | ATE342609T1 (xx) |
DE (1) | DE602004002776T2 (xx) |
GB (1) | GB2402273B (xx) |
HK (1) | HK1071479A1 (xx) |
WO (1) | WO2004107581A1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959217B2 (en) * | 2002-10-24 | 2005-10-25 | Alfred E. Mann Foundation For Scientific Research | Multi-mode crystal oscillator system selectively configurable to minimize power consumption or noise generation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI102228B (fi) * | 1997-01-16 | 1998-10-30 | Nokia Mobile Phones Ltd | Oskillaattorin tehonkulutuksen minimointi |
US6154095A (en) * | 1997-02-27 | 2000-11-28 | Seiko Epson Corporation | Phase locked loop clock source provided with a plurality of frequency adjustments |
US6150890A (en) * | 1998-03-19 | 2000-11-21 | Conexant Systems, Inc. | Dual band transmitter for a cellular phone comprising a PLL |
JP2002520976A (ja) | 1998-07-20 | 2002-07-09 | ヴァリ−エル・カンパニー・インコーポレーテッド | 電力節約モードを備える発振器 |
FI105609B (fi) * | 1998-10-27 | 2000-09-15 | Nokia Mobile Phones Ltd | Menetelmä ja järjestely lähetyssignaalin muodostamiseksi |
US6252466B1 (en) * | 1999-12-22 | 2001-06-26 | Texas Instruments Incorporated | Power-up detector for a phase-locked loop circuit |
KR20020062409A (ko) * | 2001-01-20 | 2002-07-26 | 삼성전자 주식회사 | 듀얼모드 휴대용 무선 단말기의 전력증폭기 효율 개선 회로 |
JP3561695B2 (ja) * | 2001-04-16 | 2004-09-02 | 三洋電機株式会社 | 電圧制御型発振器およびそれを用いた位相同期発振器 |
-
2003
- 2003-05-30 GB GB0312445A patent/GB2402273B/en not_active Expired - Lifetime
-
2004
- 2004-05-28 WO PCT/GB2004/002274 patent/WO2004107581A1/en active IP Right Grant
- 2004-05-28 DE DE602004002776T patent/DE602004002776T2/de not_active Expired - Lifetime
- 2004-05-28 EP EP04735254A patent/EP1629600B1/en not_active Expired - Lifetime
- 2004-05-28 KR KR1020057022960A patent/KR20060035607A/ko not_active Application Discontinuation
- 2004-05-28 AT AT04735254T patent/ATE342609T1/de not_active IP Right Cessation
- 2004-05-28 US US10/558,569 patent/US7414487B2/en not_active Expired - Lifetime
-
2005
- 2005-05-17 HK HK05104124A patent/HK1071479A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20060035607A (ko) | 2006-04-26 |
WO2004107581A1 (en) | 2004-12-09 |
DE602004002776D1 (de) | 2006-11-23 |
DE602004002776T2 (de) | 2007-08-16 |
GB2402273B (en) | 2006-03-01 |
GB2402273A (en) | 2004-12-01 |
EP1629600B1 (en) | 2006-10-11 |
EP1629600A1 (en) | 2006-03-01 |
US20060273861A1 (en) | 2006-12-07 |
ATE342609T1 (de) | 2006-11-15 |
GB0312445D0 (en) | 2003-07-09 |
US7414487B2 (en) | 2008-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |
Effective date: 20230529 |