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