| Patents for H03B 27 - Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs (744) |
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| 04/11/2006 | US7026880 Quadrature VCO using symmetrical spiral inductors and differential varactors |
| 03/22/2006 | EP1236285B1 Receiver circuit |
| 03/14/2006 | US7012474 System and method generating a delayed clock output |
| 03/09/2006 | US20060049879 Multiphase voltage controlled oscillator |
| 03/07/2006 | US7010287 Quadrature signal generator with feedback type frequency doubler |
| 02/28/2006 | US7005931 Semiconductor integrated circuit |
| 02/21/2006 | US7002420 Interleaved VCO with body voltage frequency range control |
| 02/09/2006 | DE4300258B4 Schwingkreisschaltung mit variabler Frequenz Oscillator circuit with a variable frequency |
| 02/07/2006 | US6995625 Oscillator with quadrature output in a cross-coupled configuration |
| 02/07/2006 | US6995620 Oscillator having multi-phase complementary outputs |
| 02/07/2006 | US6995619 Quadrature voltage controlled oscillator capable of varying a phase difference between an in-phase output signal and a quadrature output signal |
| 01/19/2006 | DE102004030040A1 Oscillator circuit e.g. quadrature- voltage-controlled-oscillator, has coupling unit connected with source-drain connections of transistors of control unit-part circuit and arranged such that power coupling of oscillator stages is possible |
| 01/17/2006 | US6987424 Narrow band clock multiplier unit |
| 01/12/2006 | US20060006954 Voltage controlled lc tank oscillator |
| 01/10/2006 | US6985041 Clock generating circuit and method |
| 01/04/2006 | CN1235378C Modulator with low sensitivity to amplitude and phase errors of the carrier signal |
| 01/03/2006 | US6982584 Phase quadrature and slaved working frequency signal generator |
| 12/29/2005 | WO2005124947A1 Electronic device for generating secure synchronisation signals. |
| 12/22/2005 | WO2005122394A1 Signal processing arrangement comprising a filter |
| 12/22/2005 | US20050281356 Quadrature voltage controlled oscillator with automated phase control |
| 12/21/2005 | EP1606883A1 Circuit and method for generating a clock signal |
| 12/06/2005 | US6972634 Interconnected multi-stage oscillator |
| 12/01/2005 | WO2005114831A1 Current-controlled quadrature oscillator using differential gm/c cells incorporating amplitude limiters |
| 12/01/2005 | US20050265053 Oscillator and semiconductor device |
| 11/29/2005 | US6970048 Inductive-capacitive (LC) based quadrature voltage controlled oscillator (VCO) with deterministic quadrature signal phase relationship |
| 11/23/2005 | EP1481471A4 Multiphase voltage controlled oscillator |
| 11/17/2005 | US20050253660 Quadrature VCO using symmetrical spiral inductors and differential varactors |
| 11/17/2005 | US20050253659 Current-controlled quadrature oscillator using differential gm/C cells incorporating amplitude limiters |
| 11/10/2005 | WO2005107059A1 Pulling-free lo generation system and method |
| 11/01/2005 | USRE38862 Oscillator with two outputs in quadrature |
| 11/01/2005 | US6961546 Adaptive radio transceiver with offset PLL with subsampling mixers |
| 10/25/2005 | US6958658 Circuit and method for generating a clock signal |
| 10/13/2005 | US20050225404 Varactor-based ring oscillator |
| 10/13/2005 | US20050225403 Oscillator with quadrature output in a cross-coupled configuration |
| 10/12/2005 | CN1682432A Voltage controlled LC tank oscillator |
| 10/05/2005 | EP1583223A1 Oscillator with quadrature output in a cross-coupled configuration |
| 10/05/2005 | EP1583222A1 Varactor-based ring oscillator |
| 10/05/2005 | CN1677841A Oscillator with quadrature output in a cross-coupled configuration |
| 10/05/2005 | CN1677840A Varactor-based ring oscillator |
| 09/29/2005 | US20050215223 Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer |
| 09/20/2005 | US6946921 Method and apparatus for producing high-frequency oscillations |
| 09/15/2005 | DE10351699B3 Local oscillator signal generator for radio terminal, e.g. mobile phone, uses CMOS switch to generate amplitude-controlled I and Q signals from RC-CR filter |
| 08/30/2005 | US6937107 Device and method of quadrature oscillation |
| 08/25/2005 | US20050186930 Adaptive radio transceiver with offset PLL with subsampling mixers |
| 07/26/2005 | US6922555 Phase interpolation receiver for angle modulated RF signals |
| 07/20/2005 | CN1643779A Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement |
| 07/07/2005 | US20050148310 Harmonic image-reject converter |
| 06/30/2005 | DE10354946A1 Local oscillator signal generating circuit, for driving mixer, has compensation arrangement with phase discriminator to correct for deviation from desired 90 degree phase difference between I and Q components |
| 06/28/2005 | US6911872 Circuit and method for generating a clock signal |
| 06/28/2005 | US6911871 Circuit with voltage clamping for bias transistor to allow power supply over-voltage |
| 06/28/2005 | US6911870 Quadrature voltage controlled oscillator utilizing common-mode inductive coupling |
| 06/22/2005 | EP1545007A1 Local oscillator for harmonic image-rejection mixers |
| 06/22/2005 | EP1545006A1 Local oscillator for harmonic image-rejection mixers |
| 06/22/2005 | EP1543609A1 Voltage controlled lc tank oscillator |
| 06/16/2005 | US20050128010 Interconnected multi-stage oscillator |
| 06/15/2005 | EP1485992B1 Frequency converting circuit arrangement and mobile radio set comprising said circuit arrangement |
| 06/07/2005 | US6903614 Oscillator having an AC-coupling between fundamental frequency ground points |
| 06/02/2005 | US20050116784 Quadrature oscillator and methods thereof |
| 05/26/2005 | US20050113056 Signal conditioning circuit |
| 05/19/2005 | US20050107063 Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement |
| 05/10/2005 | US6891444 Oscillator circuit for locking two or more LC-oscillators by mutual inductance coupling |
| 05/10/2005 | US6891442 Ring oscillator gates in a matrix for aberrant logic gate timing detection |
| 05/10/2005 | US6891440 Quadrature oscillator with phase error correction |
| 05/06/2005 | WO2005041402A1 Injection-locked oscillator circuit |
| 04/26/2005 | US6885253 Low-power phase-locked-loop and method using quadrature phase-signals at one-half the output frequency |
| 04/20/2005 | EP1524775A1 Radio-frequency receiver and integrated circuit for use in receiver |
| 04/20/2005 | CN1607737A Radio-frequency receiver and integrated circuit for use in receiver |
| 04/14/2005 | US20050079839 Radio-frequency receiver and integrated circuit for use in receiver |
| 04/14/2005 | US20050077930 Frequency generator and communication system |
| 04/12/2005 | US6879643 Process and device for controlling the phase shift between four signals mutually in phase quadrature |
| 03/30/2005 | CN1601905A 信号处理电路 The signal processing circuit |
| 03/23/2005 | EP1348253B1 GENERATING TWO SIGNALS HAVING A MUTUAL PHASE DIFFERENCE OF 90o |
| 03/22/2005 | US6870432 Unilateral coupling for a quadrature voltage controlled oscillator |
| 03/15/2005 | US6867656 Self-dividing oscillators |
| 03/02/2005 | CN1589520A 振荡器 Oscillator |
| 02/17/2005 | US20050035823 Source-injection parallel coupled LC-quadrature voltage controlled oscillator |
| 02/15/2005 | US6856208 Multi-phase oscillator and multi-phase oscillation signal generation method |
| 02/10/2005 | US20050030110 System and method generating a delayed clock output |
| 02/09/2005 | CN1189001C Phase interpolation receiver for angle modulated RF signals |
| 02/01/2005 | US6850749 Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband |
| 02/01/2005 | US6850124 Circuit, architecture and method for tracking loop bandwidth in a frequency synthesizer having a wide frequency range |
| 02/01/2005 | US6850123 Circuits and methods for characterizing the speed performance of multi-input combinatorial logic |
| 02/01/2005 | US6850122 Quadrature oscillator and methods thereof |
| 01/12/2005 | CN1565076A Multiphase voltage controlled oscillator |
| 01/06/2005 | US20050001665 Method for multiple-phase splitting by phase interpolation and circuit the same |
| 12/30/2004 | US20040263265 Ring oscillator gates in a matrix for aberrant logic gate timing detection |
| 12/30/2004 | US20040263262 Device and method of quadrature oscillation |
| 12/29/2004 | CN1182653C Quadrature oscillator network for transmitter |
| 12/28/2004 | US6836180 Poly-phase network with resonant circuit bandpass shaping |
| 12/23/2004 | US20040257152 Poly-phase network with resonant circuit bandpass shaping |
| 12/16/2004 | US20040251975 Unilateral coupling for a quadrature voltage controlled oscillator |
| 12/16/2004 | US20040251972 Low-power phase-locked-loop and method |
| 12/15/2004 | EP1485992A2 Frequency converting circuit arrangement and mobile radio set comprising said circuit arrangement |
| 12/14/2004 | US6831497 Active quadrature signal generator using load having low-pass and high-pass filter characteristics |
| 12/01/2004 | EP1481471A2 Multiphase voltage controlled oscillator |
| 11/16/2004 | US6819190 Robust fractional clock-based pulse generator for digital pulse width modulator |
| 11/04/2004 | WO2004095705A1 Circuit and method for generating a clock signal |
| 10/20/2004 | EP1469598A1 Analogue system of generating quadrature signals |
| 10/07/2004 | US20040198297 Quadrature signal generator with feedback type frequency doubler |
| 10/07/2004 | US20040196084 In phase quadrature and slaved working frequency signal generator |