| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 04/19/2000 | CN1250975A Radio telecommunication device and method for controlling its power transmitting |
| 04/18/2000 | US6052572 Mobile communication apparatus |
| 04/18/2000 | US6052566 Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals |
| 04/18/2000 | US6052001 Method and circuit for varying transconductance and variable bandwidth filter and variable gain amplifier using the same |
| 04/18/2000 | CA2161356C System identification method and apparatus by adaptive filter |
| 04/13/2000 | WO2000021194A1 Dual-sensor voice transmission system |
| 04/13/2000 | WO2000003474A3 Converter circuit and variable gain amplifier with temperature compensation |
| 04/13/2000 | WO2000002309A3 A current steering variable gain amplifier with linearizer |
| 04/13/2000 | WO2000001066A3 Low voltage, beta immune variable gain amplifier with high supply voltage rejection |
| 04/12/2000 | EP0993110A1 Amplifier device with digitally controllable gain and optical disc read apparatus incorporating such a device |
| 04/12/2000 | CN1250252A Transmitting installation and its method |
| 04/12/2000 | CN1250250A Predistorter of amplifier and amplifier unit |
| 04/12/2000 | CN1250249A Radio communication apparatus and its transmitted power controlling method |
| 04/12/2000 | CN1250209A Amplifier capable of digital control gain and disc reader mounted the same device |
| 04/11/2000 | US6049722 Radio communication apparatus for use in dual-mode radio communication system and having factor variable control means dependent on the set mode |
| 04/11/2000 | US6049704 Apparatus for amplifying an RF signal |
| 04/11/2000 | US6049617 Method and circuit for gain control in digital hearing aids |
| 04/11/2000 | US6049252 Programmable-gain amplifier |
| 04/11/2000 | US6049251 Wide-dynamic-range variable-gain amplifier |
| 04/06/2000 | WO2000019686A1 Telephone with means for enhancing the subjective signal impression in the presence of noise |
| 04/06/2000 | WO2000019603A1 Apparatus and method for improving power control loop linearity |
| 04/05/2000 | CN1249890A Audio system comprising audio signal processing circuit |
| 04/04/2000 | US6047170 Automatic squelch control for narrow band AM radio |
| 04/04/2000 | US6047168 Device and method for radio transmitters |
| 04/04/2000 | US6047167 Output power control device |
| 04/04/2000 | US6047036 System and method for implementing a mute voice signal upon reception of a ADPCM zero nibble in wireless communications |
| 04/04/2000 | US6046634 Amplifier circuit employing floating error cancellation |
| 04/04/2000 | CA2206619C Feed forward amplifier system and method |
| 03/30/2000 | WO2000018007A1 Method and apparatus for controlling an audio signal level |
| 03/30/2000 | WO2000018006A1 Amplifier |
| 03/30/2000 | CA2344141A1 Method and apparatus for controlling an audio signal level |
| 03/29/2000 | EP0989774A2 Audio system having a mixing function |
| 03/29/2000 | EP0989697A1 Multiple antenna home base for digital cordless telephones |
| 03/29/2000 | EP0989668A1 Quadrature output oscillator device |
| 03/29/2000 | EP0988692A1 Power level sense circuit |
| 03/29/2000 | CN1249053A Improved audio reproduction arrangement and telephone terminal |
| 03/28/2000 | US6044253 Method and apparatus using first and second variable gain control circuits to reduce cross modulation in a radio receiver |
| 03/28/2000 | US6044223 Object code allocation in multiple systems |
| 03/23/2000 | WO2000016474A1 Method and apparatus for preventing power amplifier saturation |
| 03/23/2000 | WO2000001063A3 A variable gain amplifier using impedance network |
| 03/23/2000 | DE19942669A1 Transceiver, e.g. videophone has sensor detecting power output stage temperature, to cut vision signals in favor of speech alone, should incipient overheating threaten |
| 03/22/2000 | EP0987851A1 Multiple antenna home base for digital cordless telephones |
| 03/22/2000 | EP0987819A2 Automatic gain control circuit, receiving apparatus incorporating said circuit, automatic gain control method adaptable to receiving apparatus and recording medium |
| 03/22/2000 | EP0986861A2 An arrangement and a method relating to a radio unit |
| 03/22/2000 | CN1248094A Automatic gain control circuit, method, receiver and recording medium thereof |
| 03/22/2000 | CN1050720C Communication apparatus utilizing high power amplifier |
| 03/21/2000 | US6040731 Differential pair gain control stage |
| 03/16/2000 | WO2000014871A1 Noise influence-reduced amplifier |
| 03/16/2000 | WO1999060710A3 Wide frequency range couplers and detectors for power detection in multiple frequency band systems |
| 03/15/2000 | EP0986171A1 Transmitting apparatus and transmitting method |
| 03/15/2000 | CN1247647A Power saving device for radio communication terminal |
| 03/15/2000 | CN1050487C Automatic adjusting circuit of analog controlling unit |
| 03/15/2000 | CN1050485C Appts. for conditioning control signal |
| 03/14/2000 | US6038435 Variable step-size AGC |
| 03/14/2000 | US6038432 Automatic transmission power control circuit |
| 03/14/2000 | US6038428 Power control circuit for transmission apparatus |
| 03/14/2000 | US6037999 Tuner for receiving television signal |
| 03/14/2000 | US6037834 Method and apparatus for automatic gain control with improved response time and stability |
| 03/09/2000 | WO2000013313A1 Optical amplifiers and optical transmission line |
| 03/09/2000 | WO2000013312A1 Control of power ratios for in-phase and quadrature channels in a communications system |
| 03/09/2000 | WO2000013310A1 Multiplexing amplifier |
| 03/09/2000 | DE19838788A1 Geregelter optischer Verstärker Controlled optical amplifier |
| 03/07/2000 | US6035181 Apparatus and method for maximizing transmit power output |
| 03/07/2000 | US6035008 Automatic gain control in direct sequence spread spectrum communication system |
| 03/07/2000 | US6035001 Method and arrangement in a transmission system |
| 03/02/2000 | WO2000011781A1 Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices |
| 03/02/2000 | WO2000011780A1 Transimpedance amplifier with automatic gain control |
| 03/02/2000 | WO2000011753A1 Receiving device of a radio system and method for processing received radio signals |
| 03/01/2000 | EP0982854A2 RF power amplifier control system |
| 03/01/2000 | EP0982852A2 Power amplifier having monitoring and circuit protection |
| 03/01/2000 | EP0981855A2 Radio receiver and gain controlled amplifier therefor |
| 03/01/2000 | EP0931384B1 Data transmission equipment |
| 02/29/2000 | US6032052 Apparatus and method for data transmission |
| 02/29/2000 | US6032031 Receiver for suppressing intermodulation |
| 02/23/2000 | EP0981198A2 Improved signal detector |
| 02/23/2000 | EP0879483A4 Temperature compensated logarithmic detector |
| 02/23/2000 | CN1245598A High dynamic range variable gain amplifier |
| 02/23/2000 | CN1245380A Four-phase shift keying modulated signal receiving assembly |
| 02/22/2000 | US6028647 Automatic gain control circuit using PIN diode capable of improving noise figure while improving frequency band characteristic and bidirectional CATV receiver including such circuit |
| 02/22/2000 | US6028478 Converter circuit and variable gain amplifier with temperature compensation |
| 02/19/2000 | CA2280494A1 Improved signal detector |
| 02/19/2000 | CA2280489A1 Rf power amplifier control system |
| 02/17/2000 | WO2000008870A2 Apparatus and method of linearizing a power amplifier in a mobile radio communication system |
| 02/17/2000 | WO2000008753A1 System for improving the dynamic range of transmitter power measurement in a cellular telephone |
| 02/17/2000 | WO2000008752A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
| 02/17/2000 | WO2000008751A1 Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
| 02/17/2000 | CA2339655A1 Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
| 02/17/2000 | CA2338470A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
| 02/16/2000 | EP0979553A2 Signal processing device |
| 02/16/2000 | EP0979552A1 Variable gain amplifier with improved linearity and bandwidth |
| 02/16/2000 | CN2364625Y Automatic output signal amplitude-modulating unit for coder |
| 02/16/2000 | CN1244758A Method for controlling gain of transmitting signal |
| 02/15/2000 | US6026313 Method of and apparatus for measuring vital tissue |
| 02/15/2000 | US6026310 Method of reducing clicks in a data transmission system |
| 02/15/2000 | US6026285 Intermodulation distortion reduction circuit utilizing variable attenuation |
| 02/15/2000 | US6026284 Output control unit of mobile communication system and its controlling method |
| 02/15/2000 | US6026131 Automatic gain control systems |
| 02/15/2000 | US6025754 Envelope modulated amplifier bias control and method |
| 02/15/2000 | US6025753 Method and apparatus for amplifying a signal |
| 02/15/2000 | CA2135816C Transmission circuit with improved gain control loop |