Patents for H03J 3 - Continuous tuning (1,764)
05/2003
05/21/2003EP1312159A2 Radio frequency feedback amplifier circuits
05/21/2003CN1419343A Tuner containing voltage adapter
05/20/2003US6567488 Relating to demodulator alignment correction in tuners
05/20/2003US6566962 Apparatus and method for tuning an inter-stage matching network of an integrated multistage amplifier
05/15/2003WO2003041312A1 Digital audio broadcast devices
05/15/2003US20030092409 Tuner comprising a voltage converter
05/14/2003EP1311065A1 Tuner comprising a voltage converter
05/14/2003CN1418378A Electronic component comprising variable capacitance diodes, use of said component in receiving unit and circuit arrangement comprising said component
05/14/2003CN1108616C Varirable capacitor and LC composite part thereof
05/08/2003WO2003038999A1 Tuneable filter
05/01/2003US20030083836 Tuneable filter
04/2003
04/30/2003CN1107326C Inductor/capacitor combined element with variable capacitance and inductance
04/24/2003US20030076449 Television tuner which has leveled a gain deviation in the same band
04/23/2003CN1412942A Input circuit for tuner and semiconductor device
04/22/2003US6553216 RF tunable filter arrangement with tunable image trap
04/17/2003US20030073421 Input circuit for tuner and semiconductor device
04/16/2003EP1303038A1 Input circuit for tuner and semiconductor device
04/16/2003EP1302832A1 Semiconductor device with temperature compensation circuit
04/16/2003EP1301990A1 Receiver comprising a digitally controlled capacitor bank
04/16/2003CN1411138A Semiconductor device with temp compensating circuit
04/15/2003US6549766 System and method for on-chip filter tuning
04/15/2003US6549055 Method and apparatus for generating an input signal for a parameter sensitive circuit
04/10/2003US20030067362 Component having an integrated radiofrequency circuit
04/10/2003US20030067344 Semiconductor device with temperature compensation circuit
04/08/2003US6545570 Tuning circuit including a negative impedance circuit
04/08/2003US6545559 Tuning method and system
03/2003
03/25/2003US6538521 Voltage controlled oscillator
03/18/2003US6535722 Television tuner employing micro-electro-mechanically-switched tuning matrix
03/13/2003US20030048144 Voltage-controlled oscillator circuit
03/13/2003US20030048140 Electronic component containing capacitance diodes, the component in combination with a receiving unit, and circuit configuration containing the component
03/05/2003CN1102810C Method for tuning in to channels in voltage synthesize tuning manner
02/2003
02/27/2003WO2003017371A2 Integrated semiconductor circuit with a varactor
02/25/2003US6525609 Large gain range, high linearity, low noise MOS VGA
02/20/2003US20030034831 Active filter circuit
02/13/2003US20030030497 Integrated VCO having an improved tuning range over process and temperature variations
02/06/2003WO2003010890A1 Receiver and its front-end circuit
02/06/2003US20030025563 Tunable filter and method of tuning a filter
02/05/2003EP1282227A2 A tunable filter and method of tuning a filter
01/2003
01/30/2003US20030022646 Integrated switchless programmable attenuator and low noise amplifier
01/30/2003US20030020544 Large gain range, high linearity, low noise MOS VGA
01/29/2003CN1100401C Receiver with tunable parallel resonant circuit
01/28/2003US6512803 Global positioning system receiver capable of functioning in the presence of interference
01/23/2003US20030017817 Tuner
01/22/2003EP1278304A1 Tuner
01/22/2003EP1277279A1 Tuning method and system
01/22/2003CN1392745A Frequency matching device for mobile system
01/22/2003CN1099759C High-frequency device
01/21/2003US6509870 Software-compensated crystal oscillator
01/09/2003US20030008628 Methods and apparatus for tuning pre-selection filters in radio receivers
01/07/2003US6504458 Tuning circuit with controlled negative resistance
01/07/2003US6504443 Common anode varactor tuned LC circuit
01/07/2003US6504420 Temperature compensation for internal inductor resistance
01/03/2003WO2003001670A1 Adaptive radio frequency (rf) filter
01/02/2003EP1271779A1 Adaptive radio frequency (RF) filter
01/02/2003EP1271763A2 High frequency apparatus
12/2002
12/31/2002US6501944 Radio reception apparatus and method for the control of a radio reception apparatus
12/19/2002US20020193088 Frequency matching method and apparatus for mobile systems
12/18/2002EP1266410A1 Electronic component comprising variable capacitance diodes, use of said component in a receiving unit and a circuit arrangement comprising said component
12/12/2002WO2002084870A3 Methods and apparatus for tuning rf-filters in radio receivers
12/10/2002US6492914 Filter-provided device
12/05/2002US20020180001 System and method for ESD protection
11/2002
11/27/2002EP1260021A1 Structural element with an integrated high-frequency circuit
11/27/2002EP1260020A1 Receiver
11/21/2002WO2002093732A2 Tuner circuit using polyphase filters and mixer
11/07/2002WO2002089326A1 Receiver front-end filter tuning
11/07/2002WO2002089319A2 Apparatus and method for tuning an inter-stage matching network of an integrated multistage amplifier
11/07/2002WO2002089312A2 Frequency conversion by undersampling
11/07/2002US20020163981 Switched capacitor network for tuning and downconversion
11/07/2002US20020163406 Tuning circuit
11/07/2002US20020163388 Apparatus and method for tuning an inter-stage matching network of an integrated multistage amplifier
10/2002
10/29/2002US6472956 Tunable input trap circuit and image trap circuit
10/24/2002WO2002084870A2 Methods and apparatus for tuning rf-filters in radio receivers
10/17/2002US20020151292 Communications receiver with integrated IF filter and method therefor
10/17/2002US20020151287 Receiver front-end filter tuning
10/17/2002US20020150169 Apparatus and method for measuring propagation delay in an NB-TDD CDMA mobile communication system
10/17/2002DE10116880A1 HF heterodyne receiver for mobile communications device has band-pass filter with compensation for temperature-dependent bandpass range frequency shift
10/16/2002CN1092862C Large dynamic range low-noise factor harmonic tuner
10/15/2002US6466114 Resonator with variable resonance frequency
10/03/2002US20020140869 System and method for providing a low power receiver design
10/02/2002CN1091999C Tuning circuit for receiver, especially for television receiver
09/2002
09/24/2002US6456174 Tuning circuit
09/19/2002US20020130735 Input trap circuit and image trap circuit
09/17/2002US6453157 Radio frequency tracking filter
09/12/2002WO2002071604A2 Receiver with agc controlled resonance amplifier
09/03/2002US6445039 System and method for ESD Protection
08/2002
08/29/2002US20020118313 Television receiver
08/29/2002US20020118082 Tuning circuit
08/22/2002US20020113725 Filter-provided device
08/21/2002CN1089516C Multi-broadcast channel selection apparatus
08/20/2002US6438361 Apparatus and method for automatic selection of broadband frequency channel using double frequency conversion
08/14/2002EP1231714A1 Television receiver
08/07/2002EP1229643A1 A receiver with AGC controlled resonant amplifier
08/07/2002CN1088958C Double tuned RF circuit with balanced secondary
08/06/2002US6429988 System and method for calibrating a corner frequency of a tunable filter using ADC code difference method
08/01/2002WO2002060058A1 A gps and cellular receiver and a method for tuning and controlling its if filter
08/01/2002US20020101306 Tuning circuit
07/2002
07/30/2002US6426680 System and method for narrow band PLL tuning
07/23/2002US6424824 Apparatus for setting the tuning voltage of tunable resonant circuits
07/16/2002US6420916 Phase locked loop filter utilizing a tuned filter
07/11/2002DE10106071C1 Television receiver has control signal for selective filter stage obtained from signal representing reception field strength
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