Patents
Sitemap › H03 - Basic 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 › H03B 19 - Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
Patents for H03B 19 - Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source (1,662)
02/2006
02/02/2006US20060022721 Variable frequency generator
01/2006
01/31/2006US6992513 Frequency divider system
01/31/2006US6992510 Multiplier circuit with offset compensation and quadricorrelator
01/25/2006EP1364470B1 Transceiver with frequency multiplier tracked to frequency generator
01/25/2006CN1725629A Low frequency clock signal generating method and low frequency cloc ksignal generator
01/18/2006CN1722610A Frequency transforming method and receiver
01/10/2006US6985702 Transceiver with frequency multiplier tracked to frequency generator
01/05/2006US20060001463 Digital delay locked loop capable of correcting duty cycle and its method
01/05/2006US20060001460 Static frequency divider for microwave applications
12/2005
12/29/2005US20050285638 Static frequency divider with low power supply
12/27/2005US6980036 Semiconductor device comprising frequency multiplier of external clock and output buffer of test data and semiconductor test method
12/21/2005CN1710805A 振荡器 Oscillators
12/21/2005CN1710804A Oscillator
12/20/2005US6977536 Clock multiplier
12/08/2005US20050270076 Method and device for equalizing mode selection
12/07/2005EP1603229A1 Frequency converter using optical excitation surface plasma and its method
12/07/2005CN1705244A Method for equalizing mode selection and its device
11/2005
11/30/2005CN1702958A Programmable frequency divider with symmetrical output
11/10/2005WO2005107059A1 Pulling-free lo generation system and method
11/10/2005US20050248410 Injection-locked frequency divider and frequency dividing method thereof
11/10/2005DE102005004807A1 Taktverdoppler Clock doubler
11/03/2005US20050242851 Signal generator with selectable mode control
11/01/2005US6961403 Programmable frequency divider with symmetrical output
10/2005
10/20/2005US20050231243 Clock doubler
10/11/2005US6954113 Programmable oscillator circuit
10/06/2005US20050218957 Programmable frequency multiplier
09/2005
09/28/2005CN1675839A Digital VCO and PLL circuit using the digital VCO
09/22/2005US20050206424 Current selective D flip-flop circuit
09/22/2005DE102004008844A1 High frequency quadrature divider circuit uses memory oscillators to provide low power and low sensitivity to variations
09/13/2005US6943599 Methods and arrangements for a low power phase-locked loop
09/09/2005WO2005082106A2 Built-in self test method and apparatus for jitter transfer, jitter tolerance, and fifo data buffer
09/08/2005US20050195014 Sine wave multiplication circuit and sine wave multiplication method
09/07/2005CN1218473C 多功能高频集成电路结构 Multifunction high frequency integrated circuit structure
09/01/2005US20050193290 Built-in self test method and apparatus for jitter transfer, jitter tolerance, and FIFO data buffer
08/2005
08/25/2005US20050184818 High frequency oscillator using dielectric resonator
08/25/2005US20050184817 Planar high frequency oscillator
08/25/2005US20050184816 Injection locked high frequency oscillator
08/25/2005US20050184790 High frequency doubler
08/18/2005US20050182586 Digital circuit for frequency and timing characterization
08/11/2005US20050174182 High frequency oscillator using transmission line resonator
08/11/2005DE102004002826A1 Schaltung zur Änderung einer Frequenz Circuit for changing a frequency
08/02/2005US6924684 Counter-based phase shifter circuits and methods with optional duty cycle correction
07/2005
07/28/2005WO2005069482A1 Circuit for changing a frequency
07/21/2005US20050156637 Methods and arrangements for a low power phase-locked loop
07/20/2005CN1211912C Oscillator using lumped element LC resonant circuit
07/14/2005CA2547688A1 Wideband dds synthesizer
07/07/2005US20050146361 Apparatus and method to control self-timed and synchronous systems
07/05/2005US6914460 Counter-based clock doubler circuits and methods
07/05/2005US6914459 Clock multiplier using masked control of clock pulses
06/2005
06/30/2005WO2005060088A1 Frequency multiplying arrangements and a method for frequency multiplication
06/30/2005US20050140410 Circuit for modifying a clock signal to achieve a predetermined duty cycle
06/30/2005US20050140403 Internal clock doubler
06/23/2005WO2005057786A1 A freqency multiplier
06/16/2005US20050127961 Methods and arrangements for a low power phase-locked loop
06/16/2005DE10351416A1 High-frequency (HF) signal generation device for producing HF sinusoidal signals has frequencies lying very close to a defined reference frequency
06/15/2005CN1627629A Detection control device to improve frequency multiplication
06/14/2005US6906562 Counter-based clock multiplier circuits and methods
06/07/2005US6903614 Oscillator having an AC-coupling between fundamental frequency ground points
05/2005
05/17/2005US6894548 Circuit for modifying a clock signal to achieve a predetermined duty cycle
05/12/2005US20050099248 Frequency multiplier
05/10/2005US6891444 Oscillator circuit for locking two or more LC-oscillators by mutual inductance coupling
05/05/2005US20050093587 Frequency divider
04/2005
04/21/2005US20050083091 Adjustment of a clock duty cycle
04/19/2005US6882191 Rectifier type frequency doubler with harmonic cancellation
04/14/2005US20050077930 Frequency generator and communication system
04/14/2005DE10342569A1 Frequency divider for signals in gigahertz (GHZ) range, with mixer of input signal with feedback output signal, containing bandpass characteristic of mixer amplifying (MOS) transistors for working frequencies of several 10 GHz
04/06/2005CN1196251C Method and equipment for frequency multiplication
03/2005
03/24/2005US20050065901 Methods and systems for simultaneous multiple frequency voltage generation
03/17/2005WO2005025070A1 A method for steering an oscillator and an oscillator
03/17/2005CA2538015A1 A method for steering an oscillator and an oscillator
03/02/2005CN1589520A 振荡器 Oscillator
03/02/2005CN1191672C Programable crystal oscillator and method used for it
01/2005
01/27/2005WO2005008876A2 Methods and systems for simultaneous multiple frequency voltage generation
01/05/2005CN1183659C Frequency double circuit with detection control unit used for improving frequency doubling preperty
12/2004
12/28/2004US6836162 Method and arrangement for frequency doubling
12/23/2004US20040257129 Rectifier type frequency doubler with harmonic cancellation
12/21/2004US6833743 Adjustment of a clock duty cycle
12/15/2004CN1180528C Low noise relaxation type oscillator
11/2004
11/25/2004US20040233004 High frequency oscillator
11/25/2004US20040232955 Clock multiplier
11/17/2004CN1547320A Half rate time sequence data replying device
11/04/2004US20040217791 Programmable frequency multiplier
10/2004
10/20/2004EP1469598A1 Analogue system of generating quadrature signals
09/2004
09/30/2004DE10219374B4 Verfahren und Vorrichtung zur Frequenzverdopplung Method and apparatus for frequency doubling
09/28/2004US6798305 High frequency oscillator using transmission line resonator
09/28/2004US6798299 Crystal-less oscillator circuit with trimmable analog current control for increased stability
09/28/2004CA2354949C Pulse generator
09/22/2004CN1168198C Frequency multiplier circuit
09/16/2004US20040178857 Oscillator
09/15/2004EP0958652B1 Programmable crystal oscillator
09/09/2004US20040174196 Circuit for modifying a clock signal to achieve a predetermined duty cycle
08/2004
08/25/2004CN1524335A 振荡器 Oscillator
08/19/2004WO2004070939A1 Frequency converter using optical excitation surface plasma and its method
08/05/2004US20040150484 Oscillator
08/05/2004US20040150438 Frequency multiplier capable of adjusting duty cycle of a clock and method used therein
07/2004
07/08/2004US20040130401 Signal generator capable of varying frequency of an output signal over a wide range
07/07/2004CN1510828A Random frequency divider and realizing method thereof
07/07/2004CN1156959C Oscillator
06/2004
06/29/2004US6756827 Clock multiplier using masked control of clock pulses
06/23/2004EP1432117A1 Oscillator, transmission circuit, and radio apparatus
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