Patents
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
04/2001
04/17/2001US6218899 Method for a highly linear variable-gain low noise amplifier
04/12/2001WO2001026218A1 Programmable gain feedback amplifier and method for maintaining constant phase
04/10/2001US6215989 Variable gain circuit
04/10/2001US6215987 Mobile communication transmitter capable of selectively activating amplifiers
04/10/2001US6215355 Constant impedance for switchable amplifier with power control
04/03/2001US6212369 Merged variable gain mixers
04/03/2001US6211737 Variable gain amplifier with improved linearity
04/03/2001US6211730 Pre-amplifier circuit
03/2001
03/28/2001CN1289177A Alternative-gaint and phase control system and method
03/27/2001US6208209 Automatic gain control circuit using a capacitor for minimizing digital coupling
03/27/2001US6208202 High efficiency switched gain power amplifier
03/21/2001EP1084532A1 Linear quad variable gain amplifier and method for implementing same
03/17/2001CA2282862A1 Signal-level compensation for communications circuits
03/15/2001WO2001018957A1 Amplifier
03/14/2001EP1082817A1 Merged variable gain mixers
03/14/2001CN1287415A Method and apparatus using for automatic predistortion system
03/13/2001US6201443 Radio frequency variable gain amplifier fabricated in complementary metal oxide semiconductor technology
03/13/2001US6201441 Semiconductor circuit
03/13/2001US6201440 Power amplifier and control circuit thereof
02/2001
02/28/2001EP1079518A2 Method and apparatus for an automatic predistortion system
02/28/2001EP1079516A2 Alternating gain and phase control system and method
02/28/2001EP1078456A1 High frequency receiver range switching circuit
02/22/2001WO2001013513A1 Programmable low noise cmos differential voltage controlled logarithmic attenuator and method
02/22/2001WO2001013512A1 Volume adjuster for sound generating device
02/22/2001DE10029057A1 Mobiltelefon mit einer Digitalisierungskette mit rasch veränderlichem Verstärkungsgrad und Digitalisierungsverfahren durch ein solches Telefon Mobile phone with a digitization chain with rapidly varying gain and digitization processes under such phone
02/15/2001WO2000028664A8 Fully integrated tuner architecture
02/14/2001CN1283894A Integrated free plate automatic calibration of low distortion amplifier
02/13/2001US6188283 Amplifier and semiconductor device therefor
02/08/2001WO2000069245A3 Output buffer with independently controllable current mirror legs
02/07/2001EP1020027A4 Cmos differential voltage controlled logarithmic attenuator and method
02/07/2001CN1283334A Proframmable linear receiver
02/06/2001US6184752 Amplifier device with digitally controllable gain and optical disc read apparatus incorporating such a device
02/06/2001US6184751 Amplifier circuit
02/06/2001US6184723 Direct voltage to PTAT current converter for multiple gain control slope for wide dynamic range VGA
02/01/2001WO2001008302A1 Log-linear variable gain amplifiers and amplifier control apparatus and methods
01/2001
01/31/2001CN1061490C Amplifier stage with DB-linear output voltage
01/30/2001US6181208 Switchable path power amplifier with schotky diode combining network
01/30/2001US6181206 Low noise RF amplifier with programmable gain
01/25/2001WO2001006644A1 Variable gain amplifier with improved linearity
01/24/2001EP0705497B1 Low noise oscillators and tracking filters
01/23/2001US6177839 Variable gain amplifier circuit
01/23/2001CA2090466C Power amplifier
01/17/2001CN1280423A Method and device for controlling power envelope
01/16/2001US6175279 Amplifier with adjustable bias current
01/16/2001US6175278 Variable gain amplifier circuit
01/16/2001US6175274 Switched gain low noise amplifier
01/10/2001EP1066683A1 Wide-dynamic-range variable-gain amplifier
01/09/2001US6172567 Radio communication apparatus and radio frequency power amplifier
01/09/2001US6172566 Low noise amplifier
01/09/2001US6172559 Variable gain amplifying device
01/04/2001WO2000062419A3 Mos variable gain amplifier
01/03/2001EP1065785A2 Transmission circuit and radio transmission apparatus
01/03/2001EP1064735A1 Switchable path power amplifiers
01/02/2001US6169452 Gain control, variable gain and automatic gain control amplifiers including differential circuit transistors and current splitter
12/2000
12/27/2000EP1063770A2 A transmitter and a modulator therefor
12/27/2000EP1062727A1 Gain control amplifier, variable gain amplifier and automatic gain control amplifier
12/26/2000US6166978 Semiconductor differential amplifier having a gain controlled by a memory transistor
12/20/2000EP1061773A2 Audio system, its control method and storage medium
12/20/2000EP1061657A2 An audio apparatus, a controller, an audio system, and a method of controlling an audio apparatus
12/20/2000EP1061656A2 Audio apparatus, controller, audio system, and method of controlling audio apparatus
12/20/2000EP1061655A2 An audio system conducting digital signal processing, a control method thereof, a recording media on which the control method is recorded
12/20/2000EP1061643A2 Receiver and gain control method of the same
12/20/2000CN1277753A Amplifier
12/19/2000US6163215 Variable gain amplifier
12/19/2000US6163198 Log-linear variable gain amplifiers and amplifier control apparatus and methods
12/14/2000WO2000076061A1 Low-noise amplifier with switched gain and method
12/13/2000EP1059728A2 Integrated on-board automated alignment for a low distortion amplifier
12/13/2000EP1058963A1 Amplifier with adjustable bias current
12/12/2000US6160452 Circuits and methods for a monitoring circuit in a network amplifier
12/07/2000WO2000074233A1 System and method for linearizing a cmos differential pair
12/06/2000EP1058405A2 Cellular mobile telephone terminal
12/06/2000CN1275874A Cellular mobile telephone terminal
12/06/2000CN1275838A Gain control circuit, receiver and transmitter, radio communication device and system
12/05/2000US6157254 Double side band pilot technique for a control system that reduces distortion produced by electrical circuits
11/2000
11/30/2000WO2000072446A1 Integrated vco
11/29/2000EP1056197A2 Gain Control Circuit
11/29/2000CN1274991A Radio-frequency amplifier with gain control
11/28/2000US6154550 Method and arrangement for automatically limiting distortion in audio devices
11/23/2000WO2000069245A2 Output buffer with independently controllable current mirror legs
11/23/2000WO2000042659A3 System and method for esd protection
11/23/2000WO2000039922A9 Multiple stage high dynamic range variable gain amplifier
11/23/2000CA2372183A1 Output buffer with independently controllable current mirror legs
11/15/2000EP1052771A2 A high frequency signal amplifying circuit and a receiver using the same
11/15/2000EP0954823A4 Optical sensor system for a bill validator
11/14/2000US6147558 Attenuating volume control
11/08/2000CN1272977A Amplifier
11/07/2000US6144842 Radio frequency level control circuit with reduced supply voltage
11/07/2000US6144254 Low-noise amplifier with switched gain and method
11/07/2000US6144233 Gain control circuit for controlling operation of a variable-gain amplifier or the like
11/02/2000EP1049250A2 Temperature compensation AGC circuit with temperature characteristic of AGC voltage
11/02/2000EP1049249A1 Variable gain amplifiers
10/2000
10/31/2000US6140868 Master tuning circuit for adjusting a slave transistor to follow a master resistor
10/26/2000WO2000064049A1 Dually adjustable electromechanical means for handling and system of these, and dually adjustable digital potentiometer
10/25/2000EP1047192A1 CATV tuner
10/25/2000EP1047187A2 Pre-amplifier circuit
10/25/2000EP1046226A1 Amplifier
10/25/2000CN1271209A Pre-amplifier cirucit
10/24/2000US6137365 Variable-gain amplifier circuit and attenuator circuit
10/19/2000WO2000062419A2 Mos variable gain amplifier
10/11/2000EP1043834A1 Temperature Independent power control loop
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