Patents
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)
04/2008
04/16/2008EP1910908A1 Offset signal phasing for a multiple frequency source system
04/03/2008US20080079504 Quadrature voltage controlled oscillator
04/01/2008US7352253 Oscillator circuit with tuneable signal delay means
03/2008
03/26/2008EP1668772B1 Injection-locked oscillator circuit
03/13/2008US20080061896 Electronic Oscillators Having a Plurality of Phased Outputs and Such Oscillators with Phase-Setting and Phase-Reversal Capability
03/11/2008US7342462 Quadrature LC voltage controlled oscillator with opposed bias and coupling control stages
02/2008
02/26/2008US7336135 Oscillator and semiconductor device
02/19/2008US7332978 Glitch free controlled ring oscillator and associated methods
02/19/2008US7332977 Crystal clock generator operating at third overtone of crystal's fundamental frequency
02/07/2008US20080030282 Injection-Locked Oscillator Circuit
01/2008
01/22/2008US7321269 High frequency ring oscillator with feed-forward paths
01/17/2008US20080013656 Signal Processing Arrangement Comprising a Filter
01/15/2008US7319367 Programmable oscillators for high frequency clock generation for simulation environments
01/09/2008EP1876703A2 Modulator with low sensitivity to amplitude and phase errors of the carrier signal
01/09/2008CN100361385C 振荡器 Oscillators
01/01/2008US7315219 Multiphase voltage controlled oscillator
12/2007
12/25/2007US7312669 Oscillation circuit
12/25/2007US7312668 High resolution PWM generator or digitally controlled oscillator
12/25/2007US7312667 Statically controlled clock source generator for VCDL clock phase trimming
12/19/2007EP1330905B1 Modulator with low sensitivity to amplitude and phase errors of the carrier signal
12/11/2007US7307483 Electronic oscillators having a plurality of phased outputs and such oscillators with phase-setting and phase-reversal capability
11/2007
11/27/2007US7302248 Harmonic image-reject converter
11/20/2007US7298222 Systems and method for automatic quadrature phase imbalance compensation using a delay locked loop
11/15/2007US20070262823 System and method for synchronizing multiple oscillators
10/2007
10/25/2007US20070247239 Phase modulator
10/23/2007US7286024 Voltage-controlled oscillator with differential output
10/18/2007US20070242787 Electronic Device for Generating Secure Synchronization Signals
09/2007
09/18/2007US7271672 Voltage controlled LC tank oscillator
09/10/2007CA2538959A1 Digital fractional clock divider
08/2007
08/21/2007US7259634 Arrangement and method for digital delay line
07/2007
07/18/2007CN1327616C Signal processing circuit
07/17/2007US7245889 Signal source with multiphase filter
07/12/2007DE102006024469B3 Phasenregelkreis zur Erzeugung mehrerer Ausgangssignale Phase-locked loop for generating a plurality of output signals
07/11/2007CN1998138A 高速时钟分配传输线网络 High-speed clock distribution network transmission line
07/03/2007US7239209 Serially RC coupled quadrature oscillator
06/2007
06/21/2007US20070139127 Quadrature clock divider
06/20/2007CN1985436A Pulling-free LO generation system and method
06/12/2007US7230498 Delay line for a ring oscillator circuit
05/2007
05/31/2007US20070123186 Radio-frequency receiver
05/17/2007US20070109058 Differential amplifier, differential amplifying method, and phase locked loop and delay locked loop using the same
05/16/2007EP1786101A2 On-chip R-C time constant calibration
05/16/2007CN1965474A Signal processing arrangement comprising a filter
05/08/2007US7215938 Radio-frequency receiver and integrated circuit for use in receiver
04/2007
04/17/2007US7205857 Oscillator with quadrature output in a cross-coupled configuration
04/10/2007US7202712 Multiphase resonant pulse generators
04/03/2007US7199675 Source-injection parallel coupled LC-quadrature voltage controlled oscillator
03/2007
03/21/2007EP1764912A2 Generation of accurate phase and amplitude matched signals
03/21/2007EP1764911A2 Quadrature voltage controlled oscillator and wireless transceiver including the same
03/21/2007CN1933323A 正交压控振荡器 Quadrature voltage-controlled oscillator
03/15/2007US20070057740 Quadrature voltage controlled oscillator and wireless transceiver including the same
03/15/2007US20070057706 Multiphase resonant pulse generators
03/13/2007US7190735 Generating two signals having a mutual phase difference of 90°
03/07/2007EP1759441A1 Electronic device for generating secure synchronisation signals.
03/06/2007US7187917 Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer
02/2007
02/28/2007EP1756947A1 Signal processing arrangement comprising a filter
02/27/2007US7183865 Oscillator circuit operating with a variable driving voltage
02/27/2007US7183864 Ring oscillator for use in parallel sampling of high speed data
02/14/2007EP1751865A2 High speed clock distribution transmission line network
02/08/2007WO2007015210A1 Offset signal phasing for a multiple frequency source system
02/08/2007US20070030081 Voltage controlled oscillator with duty correction
01/2007
01/24/2007EP1745544A1 Pulling-free lo generation system and method
01/18/2007WO2007006868A1 Improvements for integrated rf circuits
01/16/2007US7164323 Phase synchronous multiple LC tank oscillator
01/09/2007US7161437 Voltage-controlled oscillator and quadrature modulator
12/2006
12/27/2006EP1737123A1 Quadrature phase oscillator using complex coefficient filter
12/26/2006US7154346 Apparatus and method to provide a local oscillator signal
12/20/2006CN1881784A Quadrature phase oscillator using complex coefficient filter
11/2006
11/23/2006US20060261903 Oscillator, frequency multiplier, and test apparatus
11/16/2006WO2006058708A3 Circuit arrangement for generating a complex signal and the use of this circuit arrangement in a high-frequency transmitter or receiver
11/16/2006US20060255866 Pulse width modulation circuit and multiphase clock generation circuit
11/07/2006US7132903 Noise-shielding, switch-controlled load circuitry for oscillators and the like
10/2006
10/31/2006US7129795 Semiconductor integrated circuit with wiring arrangement for N-stage amplifying
10/17/2006US7123103 Systems and method for automatic quadrature phase imbalance compensation using a delay locked loop
10/12/2006WO2006107458A1 Systems and method for automatic quadrature phase imbalance compensation using a delay locked loop
09/2006
09/21/2006US20060208811 Multi-phase clock generator and method thereof
09/12/2006US7106142 Ring-type voltage oscillator with improved duty cycle
08/2006
08/17/2006US20060181356 Quadrature voltage controlled oscillator
08/15/2006US7091757 Frequency generator and communication system
07/2006
07/18/2006US7078978 Ring oscillator circuit
07/11/2006US7075347 Multiphase resonant pulse generators
07/06/2006US20060145772 Precision frequency and phase synthesis with fewer voltage-controlled oscillator stages
07/04/2006US7071789 Cross coupled voltage controlled oscillator
07/04/2006US7071750 Method for multiple-phase splitting by phase interpolation and circuit the same
06/2006
06/27/2006US7069042 Quadrature direct synthesis discrete time multi-tone generator
06/27/2006US7068114 Constant current circuit used for ring oscillator and charge pump circuit
06/21/2006CN1260885C Method for multi-phase division with frequency-doubled phase interpolation and correlative circuit
06/20/2006US7064620 Sequential VCO phase output enabling circuit
06/14/2006EP1668772A1 Injection-locked oscillator circuit
06/14/2006DE102004058300A1 Schaltungsanordnung zur Erzeugung eines komplexen Signals und Verwendung in einem Hochfrequenz-Sender oder -Empfänger Circuit arrangement for generating a complex signal, and use in a high-frequency transmitter or receiver
06/08/2006WO2006058708A2 Circuit arrangement for generating a complex signal and the use of this circuit arrangement in a high-frequency transmitter or receiver
06/06/2006US7057466 Varactor-based ring oscillator
05/2006
05/31/2006CN1781251A Circuit and method for generating a clock signal
05/16/2006US7046094 Method and ring oscillator circuit for measuring circuit delays over a wide operating range
05/11/2006DE102004053489A1 Local signal method for generating a local oscillator signal uses two components set up vertical to each other as far as a phase error
05/10/2006CN1255935C Generating two signals having mutual phase difference of 90 degree
04/2006
04/26/2006CN1764060A Oscillator and communication device
04/25/2006US7034626 Oscillator with closed series of four inductors and four capacitors with connecting nodes
04/25/2006US7034623 Voltage controlled oscillator apparatus, method, and system
04/18/2006US7030667 Frequency conversion circuit arrangement and mobile radio comprising said circuit arrangement
04/13/2006US20060077014 Oscillator with quadrature output in a cross-coupled configuration
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