Patents
Sitemap › H03 - Basic electronic circuitry › H03D - Demodulation or transference of modulation from one carrier to another › H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations
Patents for H03D 13 - Circuits for comparing the phase or frequency of two mutually-independent oscillations (1,662)
12/1998
12/02/1998EP0881499A2 Semiconductor integrated circuit including phase locked loop circuit and jitter detector
12/02/1998EP0880707A1 Phase- and frequency detector
11/1998
11/24/1998US5841324 Charge-based frequency locked loop and method
11/18/1998EP0878912A2 Lock detector circuit for a phase locked loop
11/11/1998EP0606779B1 Improved phase comparator
11/05/1998DE19749115A1 Clock signal phase detector circuit
10/1998
10/20/1998US5825210 Symmetrical phase-frequency detector
10/15/1998WO1998045949A1 Phase detector for high speed clock recovery from random binary signals
10/08/1998WO1998044624A1 Phase detector
08/1998
08/25/1998US5799049 For producing a clock signal at a frequency of a reference signal
08/18/1998US5796272 Frequency deviation detection circuit
08/11/1998CA2101527C Frequency translation apparatus and method
08/05/1998EP0856941A1 Sampling phase detector
08/05/1998CN2287351Y Special integrated module for satellite responser
08/04/1998US5789947 Phase comparator
07/1998
07/21/1998US5783950 Phase comparator
07/15/1998CN1187881A Interrogator for electronic identification system
07/14/1998US5781036 Phase detector
06/1998
06/23/1998US5770976 Local clock duty cycle independent phase detector and method of operation thereof
06/09/1998US5764709 Jitter attenuator
05/1998
05/26/1998US5757868 Digital phase detector with integrated phase detection
05/20/1998DE19714142C1 Phase detector for phase locked loop
05/19/1998US5754080 Single-edge triggered phase detector
05/19/1998CA2087516C High precision digital phase comparator
05/14/1998WO1998020614A1 A method and an apparatus for comparing two logic signals
04/1998
04/30/1998DE19729157A1 PLL frequency-phase comparator for CMOS
04/28/1998US5744983 Phase detector with edge-sensitive enable and disable
04/16/1998WO1998016005A1 Phase detector with explicit asynchronous reset
04/15/1998EP0835550A1 Phase comparator without dead zone
04/14/1998US5739709 Phase frequency detecting circuit
04/07/1998US5736875 Discrimination circuit capable of automatically optimizing discrimination level and discrimination phase
04/07/1998US5736872 Low voltage high speed phase frequency detector
04/01/1998EP0833483A2 Phase comparator for demodulator using differential detection
03/1998
03/26/1998DE19630917C1 Phasen- und Frequenzdetektorschaltung Phase and frequency detection circuit
03/25/1998EP0831625A2 Phase detection circuit and differential detection demodulator
03/10/1998US5727038 Phase locked loop using digital loop filter and digitally controlled oscillator
02/1998
02/19/1998DE19703889C1 Scanning phase detector device
02/17/1998US5719908 Digital/analog bit synchronizer
02/17/1998CA2046181C Circuit for demodulating psk modulation signals
02/12/1998WO1998006179A1 Phase and frequency detector circuit
02/11/1998EP0823059A1 Interrogator for electronic identification system
01/1998
01/27/1998US5712580 Linear phase detector for half-speed quadrature clocking architecture
12/1997
12/30/1997US5703502 Circuitry that detects a phase difference between a first, base, clock and a second, derivative, clock derived from the base clock
12/02/1997US5694062 Self-timed phase detector and method
11/1997
11/11/1997US5686849 Circuit for clock signal extraction from a high speed data stream
10/1997
10/14/1997CA2081863C Ripple-free phase detector using two sample-and-hold circuits
10/01/1997EP0798849A1 Circuit and method for correcting phase error in a multiplier circuit and quadrature generating circuit
09/1997
09/24/1997EP0796524A1 Digital data phase detector
09/17/1997EP0795955A2 Phase error signal generator
09/16/1997US5668838 Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
09/04/1997WO1997032392A1 Method and apparatus for determining the change in frequency of a reference signal
09/04/1997CA2247898A1 Method and apparatus for determining the change in frequency of a reference signal
09/02/1997US5663992 Method and apparatus for correction of GPS carrier phase measurement
09/02/1997US5663666 Digital phase detector
08/1997
08/27/1997EP0792011A2 A digital phase detector
08/26/1997US5661419 Dynamic phase-frequency detector circuit
08/21/1997WO1997030357A1 Phase- and frequency detector
08/19/1997US5659586 Digital timing recovery circuit including a loop filter having a varying band width
08/19/1997US5659263 Circuit and method for correcting phase error in a multiplier circuit
07/1997
07/01/1997US5644743 Hybrid analog-digital phase error detector
07/01/1997US5644605 Jitter attenuator
06/1997
06/17/1997US5640523 Method and apparatus for a pulsed tri-state phase detector for reduced jitter clock recovery
06/03/1997US5635863 Programmable phase comparator
05/1997
05/20/1997US5631582 Frequency and phase comparator
05/20/1997CA2075127C Integrated circuit sampled-and-hold phase detector with integrated current setting resistor
05/15/1997WO1997017759A1 Tuning control system
05/06/1997US5627496 PLL and phase detection circuit therefor
04/1997
04/16/1997EP0767987A1 Digital phase comparator
04/08/1997US5619148 Digital variable in-lock range phase comparator
03/1997
03/18/1997US5612976 Detectors
03/18/1997CA2036314C Linearized three state phase detector
02/1997
02/18/1997US5604926 Phase locked loop circuit current mode feedback
02/11/1997US5602512 Comparator of phase between a digital signal and a clock signal, and corresponding phase locked loop
01/1997
01/21/1997US5596293 Noise resistant reset circuit for a phase detector in a phase-locked loop
01/16/1997WO1997001884A1 Phase comparator without dead zone
01/07/1997US5592125 Modified bang-bang phase detector with ternary output
01/07/1997US5592113 Phase-locked loop device
01/07/1997US5592110 Phase comparison circuit for maintaining a stable phase locked loop circuit in the absence of the pulse of an input signal
01/07/1997US5592109 For detecting a phase difference
12/1996
12/10/1996US5583458 Phase detector with edge-sensitive enable and disable
11/1996
11/26/1996US5578947 Delayed detection type demodulator
11/19/1996US5577086 Clock signal generation circuit capable of operating at high speed with high frequency
11/06/1996EP0435881B1 Sample-and-hold phase detector for use in a phase locked loop
11/05/1996US5570992 Free-traveling manipulator with optical feedback control and methods
10/1996
10/31/1996WO1996034299A1 Interrogator for electronic identification system
10/31/1996CA2219229A1 Interrogator for electronic identification system
10/08/1996US5563531 Digital phase comparator
09/1996
09/18/1996EP0732830A2 Circuit for clock signal extraction from a high speed data stream
09/17/1996US5557222 Delayed detection type demodulator
09/03/1996US5552750 Method and apparatus for determining an instantaneous phase difference between two signals
09/03/1996US5552748 Digitally-tuned oscillator including a self-calibrating RC oscillator circuit
08/1996
08/13/1996US5546434 Dual edge adjusting digital phase-locked loop having one-half reference clock jitter
08/13/1996US5546052 Phase locked loop circuit with phase/frequency detector which eliminates dead zones
07/1996
07/23/1996US5539776 All digital if-to-baseband signal converter
07/23/1996US5539345 Phase detector apparatus
07/16/1996US5537442 Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
06/1996
06/25/1996US5530382 Phase comparator
06/13/1996WO1996018241A1 Digital data phase detector
06/12/1996EP0716524A1 Phase detector circuit
06/12/1996EP0716523A1 Phase detector
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