Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 1 - Details of arrangements for controlling amplification
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
11/1998
11/05/1998WO1998049769A1 Variable gain amplifier with improved linearity and bandwidth
11/04/1998EP0876004A2 Transmitter gain controller
11/03/1998US5831477 Power amplifier system with variable output
10/1998
10/28/1998EP0874453A2 Programmable amplifier
10/28/1998EP0874451A2 Variable gain amplifier
10/27/1998US5828762 Apparatus for compensating audio signal recording
10/27/1998US5828265 Degenerated differential pair with controllable transconductance
10/27/1998US5828216 In a data acquisition subsystem
10/20/1998US5826177 Radio transmitter
10/13/1998US5821814 Negative feedback amplifier
10/07/1998CN1195228A Control modulator circuit and integrated circuit thereof
10/07/1998CN1195227A Control demodulator circuit and integrated circuit thereof
10/06/1998US5818300 Variable gain amplifier circuit with reduced power requirements
10/01/1998WO1998043348A2 Radio receiver and controllable amplifier circuit
09/1998
09/29/1998US5815039 Low-voltage bipolar OTA having a linearity in transconductance over a wide input voltage range
09/23/1998CN1193844A High frequency variable gain amplifier device and wireless communications terminal
09/22/1998US5812687 Circuit for controlling the frequency and/or phase response of a signal amplification system
09/22/1998US5812029 Gain control circuit and method
09/22/1998US5812025 Automatic-gain-control circuit compensating for changes in gain control characteristics
09/17/1998DE19810620A1 Wideband damping unit for converting band of high frequency signals
09/16/1998CN1193425A Gain control
09/15/1998US5809408 Variable gain circuit and radio apparatus using the same
09/15/1998US5808520 Attenuating circuit using quarter-wave lines
09/15/1998US5808516 Linearization of voltage-controlled amplifier using MOSFET gain control circuit
09/09/1998EP0863609A2 Amplifier circuits
09/09/1998EP0863608A1 Switchable high frequency amplifier
09/09/1998CN1192625A Circuit for automatically adjusting input sensitivity of audio signal in monitor
09/08/1998US5805988 System and method for switching an RF signal between mixers
09/08/1998US5805986 High-frequency step attenuator suitable for transmission circuit
09/08/1998US5805641 Threshold setting device
09/08/1998US5805022 Circuit for automatically regulating the gain of a differential amplifier
09/08/1998US5805006 Controllable integrator
08/1998
08/18/1998US5797090 Radio receiving apparatus having current consumption reducing function
08/18/1998US5796852 System and method for electronic volume control of audio signals
08/18/1998US5796310 Amplification circuit using wire-bonding for adjusting amplification factor
08/18/1998US5796291 Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit
08/12/1998EP0857293A1 Optical encoder for indicating the position of an adjustable member
08/11/1998US5793254 Monolithic amplifier with stable, high resistance feedback element and method for fabricating the same
08/11/1998US5793252 For electronic audio signals
08/05/1998EP0856943A2 Gain control for an optical receiver
08/05/1998CN1189938A Improvements in or relating to radio receivers
08/04/1998US5789983 High-frequency amplifier having variable gain in response to input power level
07/1998
07/30/1998WO1998033272A1 High dynamic range variable gain amplifier
07/16/1998WO1998031082A1 Laser wavelength control circuit having automatic dc offset and gain adjustment
07/02/1998WO1998028842A1 Digitally controlled programmable attenuator
06/1998
06/23/1998US5771464 Radio communication apparatus for use in dual-mode radio communication system and having gain variable control means dependent on the set mode
06/23/1998CA2089617C Control circuit for automatically controlled feed forward nonlinear distortion compensation amplifier
06/16/1998US5767741 Self compensating differential circuit
06/11/1998WO1998025340A1 Automatic dynamic range controlling circuit
06/10/1998EP0847135A2 High frequency variable gain amplifier device
06/10/1998EP0846369A1 Variable-gain amplifier with pseudo-logarithmic gain control
06/09/1998US5764106 Gain-controlled amplifier and automatic gain control amplifier using GCLBT
06/04/1998DE19649069A1 Remote controller for consumer electronics apparatus
06/04/1998DE19648910A1 Broadcasting receiver especially for car radio
06/03/1998EP0845871A2 Intermediate frequency amplifier circuit for use in receive and transmit mode
06/02/1998US5761321 Volume controller
05/1998
05/28/1998DE19648871A1 Automatic volume controller e.g. for television
05/26/1998US5757940 Electric volume controller
05/26/1998US5757233 Complementary transistor circuit and amplifier and CRT display device using the same
05/26/1998US5757230 Variable gain CMOS amplifier
05/26/1998US5757220 Digitally controlled programmable attenuator
05/20/1998EP0611509B1 Variable gain amplifier
05/20/1998CN1182269A Apparatus for compensating audio signal recording
05/20/1998CN1182267A 输入信号放大器 Input signal amplifier
05/13/1998EP0840950A1 Field effect transistor cable television line amplifier
05/13/1998EP0840920A1 Remote control device for an entertainment system
05/12/1998US5751250 Low distortion power sharing amplifier network
05/06/1998EP0840445A2 Circuit for controlling the level of a radio frequency signal
05/06/1998EP0840299A1 Input signal amplifier
05/06/1998EP0839406A2 Gain control
05/05/1998US5748041 AGC amplifier circuit using triple-tail cell
04/1998
04/28/1998US5745057 Adjustment operating apparatus
04/22/1998EP0836766A2 Degenerated differential pair with controllable transconductance
04/21/1998US5742206 Gain control circuit and variable gain power amplifier using same
04/21/1998US5742205 Field effect transistor cable television line amplifier
04/21/1998US5742203 Gain-controllable amplifier, receiver
04/21/1998US5742201 Polar envelope correction mechanism for enhancing linearity of RF/microwave power amplifier
04/16/1998DE19710769A1 Variable gain semiconductor amplifier circuit
04/15/1998EP0716783B1 Amplifier stage with a db-linear output voltage
04/08/1998EP0834988A2 Method of automatic limiting of distortion in audio devices and circuit for carrying out the method
04/08/1998EP0834986A2 Gain control circuit and method
04/08/1998CN1178414A Circuit arrangement with operational amplifier
03/1998
03/31/1998US5734974 For receiving an input signal and generating an output signal
03/31/1998US5734366 Signal amplifier, signal amplifier circuit, signal line drive circuit and image display device
03/24/1998US5732341 Method and apparatus for increasing receiver immunity to interference
03/24/1998US5732332 Transmitter having temperature-compensated detector
03/18/1998EP0829955A1 Low noise amplifier structure
03/18/1998EP0829134A1 Selective call receivers with stepwise variable gain control with hysteresis
03/18/1998CN1176529A AGC voltage correction circuit
03/13/1998CA2214849A1 Low noise amplifier structure
03/04/1998EP0827281A2 Circuit arrangement with at least two signal paths
03/04/1998CN1175329A Method and apparatus for increasing receiver immunity to interference
03/03/1998US5724519 For displaying an input video signal
03/03/1998US5724312 Ultrasound transducer head with integrated variable-gain amplifier devices
03/03/1998US5724106 Hand held remote control device with trigger button
02/1998
02/25/1998EP0825709A1 Grounded-emitter amplifier circuit with an attenuator
02/25/1998EP0824794A2 Improvements in or relating to radio receivers
02/24/1998US5722063 Method and apparatus for increasing receiver immunity to interference
02/24/1998US5722061 Method and apparatus for increasing receiver immunity to interference
02/24/1998US5721594 Video differential bus receiver for audio/video interconnection
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