Patents for H03J 3 - Continuous tuning (1,764)
11/2007
11/21/2007EP1856800A2 Methods and apparatuses for tuning filters
11/20/2007US7299018 Receiver comprising a digitally controlled capacitor bank
10/2007
10/30/2007US7289780 Band switchable type tuning circuit of television signal
10/30/2007US7289167 Television tuner including distribution connectors
10/25/2007WO2007121407A1 Receiver with tuner front end using tracking filters and calibration
10/23/2007US7286807 Receiver with a cascade of resonant amplifiers in the RF input stage
10/23/2007US7286804 Receiver digital-analog converter and tuning circuit
10/17/2007CN101056096A Oscillation controlling apparatus and program, and channel selecting apparatus
10/17/2007CN101056095A Oscillation controlling apparatus and program, and channel selecting apparatus
10/09/2007US7279994 Variable capacitance circuit having on/off switch for variable capacitance function, and voltage controlled oscillator using the variable capacitance circuit
09/2007
09/27/2007US20070222899 Television receiver
09/26/2007CN101044674A Variable reactor device with reduced temperature dependence
09/25/2007US7274274 Integrable acoustic resonator and method for integrating such resonator
09/22/2007CA2581553A1 Auto-tuned rfid reader antenna
09/20/2007US20070216560 Receiver, digital-analog converter and tuning circuit
09/19/2007CN100338874C Resonator configuration
09/11/2007US7269399 Receiver of double conversion system with antenna tuning with variable capacitance using digital-to-analog converter having temperature coefficient setting section
09/11/2007US7268836 Television tuner device generating intermediate-frequency signal free from harmonic interference of reference signal
08/2007
08/28/2007US7263339 Tuner comprising a voltage converter
08/28/2007US7263336 Device, system and method to provide different bias voltages and common tuning voltage
08/23/2007WO2007093076A1 Method and circuit of the electronic horn driving signal frequency adjusted by capacitance
08/02/2007WO2007061308A9 Varactor element and low distortion varactor circuit arrangement
07/2007
07/19/2007US20070164833 Varactor diode alternative circuit
07/04/2007EP1803214A1 A varactor device with reduced temperature dependence
07/03/2007US7239857 Method and apparatus for compensating an oscillator in a location-enabled wireless device
07/03/2007US7239357 Digital IF demodulator with carrier recovery
06/2007
06/26/2007US7236212 System and method for providing a low power receiver design
06/06/2007CN1320750C Television tuner and printed circuit board used therein
05/2007
05/31/2007WO2007061308A1 Varactor element and low distortion varactor circuit arrangement
05/31/2007US20070123186 Radio-frequency receiver
05/31/2007US20070120605 Integrated switchless programmable attenuator and low noise amplifier
05/30/2007EP1791183A1 Varactor element and low distortion varactor circuit arrangement
05/18/2007WO2007032452A9 Variable resonance circuit, filter, communication apparatus and method for regulating temperature characteristics of variable resonance circuit
05/15/2007US7218181 Integrable amplitude-locked loop including an acoustic resonator
05/10/2007US20070105504 Digital IF demodulator for video applications
05/09/2007EP1783907A1 Low noise, high linearity TV tuner architecture with switched fixed-gain LNA
05/09/2007CN1960217A Optical transferred synthetized accessing PDH device in multiple services
05/08/2007US7215938 Radio-frequency receiver and integrated circuit for use in receiver
05/02/2007CN1957534A 3 band TV-RF input circuit
04/2007
04/24/2007US7209188 Intermediate-frequency circuit having flat group delay characteristic
04/24/2007US7209016 Variable capacitance circuit arrangement
04/19/2007WO2007015211A3 System and method for mitigating phase pulling in a multiple frequency source system
04/12/2007WO2007040703A1 System and method for autoranging in test apparatus
04/05/2007WO2006133159A3 Linear variable voltage diode capacitor and adaptive matching networks
04/05/2007US20070077908 Fully integrated tuner architecture
04/03/2007US7199664 Integrated switchless programmable attenuator and low noise amplifier
03/2007
03/29/2007US20070070576 Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters
03/28/2007CN1937405A Radio frequency tuner
03/27/2007CA2361369C Tuning arrangement
03/22/2007WO2007033120A1 Analog varactor
03/22/2007WO2007032452A1 Variable resonance circuit, filter, communication apparatus and method for regulating temperature characteristics of variable resonance circuit
03/15/2007US20070057744 Circuit arrangement
03/07/2007CA2558861A1 Impedance tuner systems and probes
03/06/2007US7187247 Variable capacitance circuit arrangement
03/06/2007US7187240 Integrated electronic circuit comprising a tunable resonator
02/2007
02/27/2007US7184733 High frequency receiving device, integrated circuit used for the same, and TV receiver using them
02/20/2007US7180383 Arrangement with a capacitor which can be connected into a circuit and disconnected therefrom and associated method
02/14/2007EP1751877A1 3 band tv-rf input circuit
02/08/2007WO2007015211A2 System and method for mitigating phase pulling in a multiple frequency source system
02/08/2007WO2007015209A1 Multiple frequency source system and method of operation
02/08/2007US20070030103 Apparatus and method for enhancing q factor of inductor
02/08/2007US20070030087 Network
02/08/2007US20070030086 Network
02/06/2007US7174147 Bandpass filter with tunable resonator
01/2007
01/30/2007US7171178 Tuning circuit having amplitude-varying function
01/30/2007US7171176 Tuner system self adaptive to signal environment
01/18/2007US20070013433 Temperature compensation for internal inductor resistance
01/11/2007US20070007598 System and method for ESD protection
01/09/2007US7161791 Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters
01/09/2007US7161416 Programmable filter
01/02/2007US7158774 Method for tuning a filter
01/02/2007US7158191 Video signal processing apparatus
12/2006
12/27/2006EP1444800B1 Digital audio broadcast devices
12/27/2006CN1885714A 调谐电路 Tuned circuit
12/26/2006US7155182 Varactor with extended tuning range
12/21/2006DE102006021967A1 Frequency-fine tuning circuit for voltage-controlled oscillator, has varactors coupled with one another ate node, and center bias voltage unit to maintain node voltage at constant bias voltage level
12/14/2006WO2006132570A1 A tunable circuit arrangement and a method for providing such an arrangement
12/14/2006US20060281431 Radio frequency tuner
12/13/2006EP1149391B1 Multi-track integrated spiral inductor
12/13/2006CN1879304A Phase-locked loop bandwidth calibration circuit and method thereof
12/12/2006US7149488 Direct tuning of radio receiver integrated circuit
11/2006
11/30/2006US20060267558 Electronic components comprising adjustable-capacitance micro-electro-mechanical capacitors
11/29/2006CN1871767A Broadband integrated digitally tunable filters
11/16/2006US20060259199 Method and a system for automatic management of demand for non-durables
11/15/2006EP1301990B1 Receiver comprising a digitally controlled capacitor bank
11/14/2006US7136114 Television receiver with dynamically adjustable filtering
11/14/2006US7135940 Tunable filter and portable telephone
11/07/2006US7132888 Large gain range, high linearity, low noise MOS VGA
11/02/2006US20060246867 Single conversion tuner
11/01/2006CN2834028Y Audio signal repeater
10/2006
10/31/2006US7129994 Television tuner having level of harmonics of oscillation signal suppressed low
10/26/2006US20060238278 Digital broadcasting reception device
10/25/2006EP1714386A1 Capacitor-diode alternative circuit
10/24/2006US7126390 Frequency conversion apparatus
10/18/2006EP1260021B1 Structural element with an integrated high-frequency circuit
10/12/2006WO2006106279A1 Tuning control arrangement
10/12/2006DE102005003904A1 Oszillatorschaltung Oscillator circuit
10/10/2006US7120416 Semiconductor device and receiver
10/10/2006US7120407 Receiver and its tracking adjusting method
10/05/2006WO2006103583A2 Receiver having a tuning capacitance
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