| Patents for H03G 1 - Details of arrangements for controlling amplification (4,021) |
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| 02/24/1998 | US5721513 Gain controlled amplification circuit having differential amplifier |
| 02/17/1998 | US5719570 Optical encoder based fader design |
| 02/17/1998 | US5719518 Variable electronic resistor having parallel phase-inverted variable semiconductor channels with common control input and current-to-voltage converters |
| 02/10/1998 | US5717361 DC feedback common emitter type amplifier circuit having stable gain irrespective of power supply voltage |
| 02/10/1998 | US5717360 High speed variable gain amplifier |
| 02/10/1998 | US5717241 For an integrated circuit |
| 02/04/1998 | EP0822656A1 Circuit arrangement with an operational amplifier |
| 02/03/1998 | US5714879 Method of and arrangement for regulation of sensitivity in evaluation circuit |
| 01/29/1998 | DE19630393A1 Electrical signal processing circuit with non linear switched feedback circuit |
| 01/28/1998 | EP0821477A2 Digitally controllable attenuator circuit for audio |
| 01/28/1998 | EP0821476A2 Method and device for offset compensation of a signal processing circuit |
| 01/28/1998 | EP0821475A1 Amplifier with neuron MOS transistors |
| 01/28/1998 | EP0821471A2 Device for self-aligning the adjustment of the bias working point in amplifier circuits with Neuron-MOS transistors |
| 01/28/1998 | CN1171866A Gain controllable amplifier, receiver comprising gain controllable amplifier and method of controlling signal amplitudes |
| 01/21/1998 | CN1170988A Amplifier circuit and multistage amplifier circuit |
| 01/15/1998 | WO1998001964A1 Modular transmission system and method |
| 01/15/1998 | WO1998001946A1 Controller-based radio frequency amplifier module and method |
| 01/15/1998 | WO1997043826A3 Gain control |
| 01/15/1998 | DE19729039A1 Pick=up system especially for electrical guitar |
| 01/14/1998 | EP0818879A2 Amplifier circuit and multistage amplifier circuit |
| 01/14/1998 | EP0699359B1 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar |
| 01/08/1998 | WO1997042704A3 Degenerated differential pair with controllable transconductance |
| 01/07/1998 | EP0817375A2 Automatic gain control circuit using pin diode and bidirectional CATV receiver including such circuit |
| 01/07/1998 | EP0817373A2 Negative feedback amplifier |
| 12/30/1997 | US5703909 Programmable voltage controlled attenuator |
| 12/24/1997 | WO1997049178A1 Variable-gain amplifier with pseudo-logarithmic gain control |
| 12/17/1997 | EP0813295A1 Amplifier with digital gain control and camera using such an amplifier |
| 12/17/1997 | CN1168033A Improvements in or relating to radio receivers |
| 12/16/1997 | US5699017 Automatic gain control circuit |
| 12/10/1997 | EP0812063A2 Gain-variable amplifier having small DC output deviation and small distortion |
| 12/10/1997 | EP0812062A2 Gain-variable amplifier with wide control range |
| 12/10/1997 | EP0811272A1 Amplifier with controllable amplification rate for amplifying electric signals in a predetermined frequency range |
| 12/10/1997 | CN1167366A Automatic gain control circuit of compensating gain controlling property change |
| 12/04/1997 | WO1997045954A1 Variable gain cmos amplifier |
| 12/02/1997 | US5694366 OP amp circuit with variable resistance and memory system including same |
| 12/02/1997 | US5694069 Variable resistor and gain control circuit and integrated circuit having the variable resistor |
| 11/25/1997 | US5691658 Current mode amplifier, rectifier and multi-function circuit |
| 11/20/1997 | WO1997043826A2 Gain control |
| 11/19/1997 | CN1165429A Multistage variable gain amplifier circuit |
| 11/13/1997 | WO1997042704A2 Degenerated differential pair with controllable transconductance |
| 11/11/1997 | US5687195 Digital automatic gain controller for satellite transponder |
| 11/06/1997 | WO1997041642A1 Transmitter combiner arrangement |
| 11/05/1997 | EP0449823B1 Improved variolosser |
| 10/29/1997 | EP0803977A2 Automatic gain control |
| 10/29/1997 | CN1163516A Automatic gain control circuit for radio receiver |
| 10/28/1997 | US5682119 Variable gain circuit |
| 10/28/1997 | US5682111 Integrated circuit with power monitor |
| 10/22/1997 | CN1163029A Method and apapratus for temperature compensation in a time division multiplex receiver |
| 10/21/1997 | US5680468 Methods of and systems for speaker equalization in automotive vehicles having convertible tops |
| 10/15/1997 | EP0681717A4 Battery drain reducer. |
| 10/09/1997 | WO1997033378A3 Improvements in or relating to radio receivers |
| 10/02/1997 | WO1997036372A1 Selective call receivers with stepwise variable gain control with hysteresis |
| 10/02/1997 | WO1997036257A1 Hand-held remote controller with trigger selection button |
| 10/02/1997 | CA2250156A1 Hand-held remote controller with trigger selection button |
| 10/01/1997 | EP0798850A2 Improvements in or relating to radio receivers |
| 10/01/1997 | EP0797873A2 Method and apparatus for increasing receiver immunity to interference |
| 09/16/1997 | US5668501 Transconductance amplifier having a digitally variable transconductance as well as a variable gain stage and an automatic gain control circuit comprising such a variable gain stage |
| 09/16/1997 | US5668499 Tube type power amplifier with distortion control |
| 09/12/1997 | WO1997033378A2 Improvements in or relating to radio receivers |
| 09/09/1997 | US5666089 Monolithic step attenuator having internal frequency compensation |
| 09/04/1997 | WO1997032393A1 High dynamic range variable gain amplifier |
| 09/03/1997 | EP0793339A2 Electronic volume control circuit with controlled output characteristic |
| 08/28/1997 | DE19606725A1 Remote control device with volume controller |
| 08/26/1997 | US5661815 Volume reservation apparatus of an audio system and a method thereof |
| 08/26/1997 | US5661437 Negative feedback variable gain amplifier circuit |
| 08/19/1997 | US5659261 Analog-to-digital converter and output driver |
| 08/14/1997 | DE19630112C1 Amplifier circuit using neuron MOSFET |
| 08/14/1997 | DE19630111C1 Self-adjusting amplifier operating point setting device e.g. for audio and video applications |
| 08/12/1997 | US5656978 Control circuit and method for direct current controlled attenuator |
| 08/12/1997 | US5656969 Slew rate control and optimization of power consumption in a power stage |
| 08/07/1997 | WO1997028599A1 Automatic gain control circuit |
| 08/07/1997 | WO1997028598A1 Linearity enhancing circuit for power amplifier |
| 08/05/1997 | US5654669 Programmable instrumentation amplifier |
| 08/02/1997 | CA2168601A1 Amplifier-less low power switched-capacitor techniques |
| 07/24/1997 | DE19601550A1 Control circuit for transistor HF amplifier stage output |
| 07/23/1997 | EP0785640A1 Method for extending the RSSI range and radio transceiver operating in accordance with this method |
| 07/16/1997 | CN1154610A Transmitter power varying device having bypass line for power amplifier |
| 07/16/1997 | CN1154601A Pre-amplifier |
| 07/09/1997 | EP0782797A1 Method and apparatus for temperature compensation in a time division multiplex receiver |
| 07/08/1997 | US5646573 Automatic gain-control transimpedence amplifier |
| 07/02/1997 | CN1153430A Transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal |
| 07/02/1997 | CN1153368A Karaoke amplifier with variably settable range of parameter to control audio signal |
| 06/25/1997 | EP0780972A1 Universal amplifier |
| 06/24/1997 | US5642078 Amplifier having frequency compensation by gain degeneration |
| 06/17/1997 | US5640120 Polarization current controlled electronic circuit such as an adjustable resistance, a negative resistance or a filter or similar |
| 06/04/1997 | EP0777334A2 Radio receiving apparatus having current consumption reducing function |
| 06/04/1997 | EP0777324A2 Automatic gain control |
| 05/27/1997 | US5633940 Audio amplifier arrangement |
| 05/27/1997 | US5633939 Compander circuit |
| 05/21/1997 | EP0774834A1 Variable gain amplification circuitry |
| 05/20/1997 | US5631599 Two stage current mirror |
| 05/15/1997 | DE19541563A1 Voice-controlled switch for e.g operating radio or telephone |
| 05/15/1997 | DE19541369A1 Discrete voltage amplifying adjustment circuit |
| 05/14/1997 | EP0773625A1 Variable gain amplifying device |
| 05/08/1997 | CA2189718A1 Power amplifier system with variable output |
| 04/30/1997 | CN1148773A Receiver for audio frequency/video frequency interlinked difference main line |
| 04/29/1997 | US5625322 Amplifier bias control device |
| 04/22/1997 | US5623228 Non-linear feedback network providing a linear transfer function |
| 04/16/1997 | EP0768752A1 Low distortion power sharing amplifier network |
| 04/15/1997 | US5621359 Gain selection technique |