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)
08/1999
08/24/1999US5942946 RF power amplifier with high efficiency and a wide range of gain control
08/24/1999US5942912 Devices for the self-adjusting setting of the operating point in amplifier circuits with neuron MOS transistors
08/18/1999EP0935847A1 Method and apparatus for controlling signal amplitude level
08/17/1999US5940517 Sound-volume display unit for use in audio system
08/17/1999US5939945 Amplifier with neuron MOS transistors
08/11/1999EP0878053A4 Linearity enhancing circuit for power amplifier
08/04/1999EP0933879A2 Radio frequency transmitter
08/03/1999US5933771 Low voltage gain controlled mixer
07/1999
07/27/1999US5930692 Method and apparatus for increasing receiver immunity to interference
07/27/1999US5929982 Active APD gain control for an optical receiver
07/27/1999US5929706 Automatic gain control method and device
07/14/1999EP0929149A1 Receiver for data transmission
07/13/1999US5923213 Digitally gain-controlled amplifying device, and camera using such a device
07/08/1999DE19839128A1 Amplifier with variable amplification characteristic
06/1999
06/30/1999EP0926820A2 Soft-limiting control circuit for variable gain amplifiers
06/29/1999US5917380 Digitally gain-controlled amplifier, and camera using such an amplifier
06/29/1999CA2162469C Low noise oscillators and tracking filters
06/22/1999US5914637 Gain-variable amplifier with wide control range
06/17/1999WO1999030426A1 Programmable linear receiver
06/17/1999WO1999030416A1 An amplifier for continuous high gain, narrowband signal amplification
06/16/1999EP0923193A1 Improved pilot detection for a control system that reduces distortion produced by electrical circuits
06/16/1999CN1219806A Improved pilot detection method for control system that reduces distortion produced by electrical circuits
06/10/1999WO1999017248A8 Optical sensor system for a bill validator
06/09/1999EP0921634A1 Differential amplifier with adjustable linearity
06/09/1999CN1219026A Reducing power protection circuit for electronic device
06/09/1999CA2224261A1 Low phase noise, high q, high gain amplifier in an integrated circuit
06/08/1999US5910751 Circuit arrangement and method with temperature dependent signal swing
06/02/1999EP0920195A1 Device for the acquisition and amplification of electronic signals
06/01/1999US5909643 Transmitter power varying device having a bypass line for a power amplifier
05/1999
05/25/1999US5907261 Method and apparatus for controlling signal amplitude level
05/19/1999EP0916183A1 Improved transimpedance amplifier
05/11/1999US5903854 High-frequency amplifier, transmitting device and receiving device
05/11/1999US5903504 Op amp circuit with variable resistance and memory system including same
05/11/1999US5903193 Amplifying device and transmission output control apparatus
05/11/1999US5903191 Digitally controlled variable transconductance amplifier system
05/04/1999US5900867 Self identifying remote control device having a television receiver for use in a computer
05/04/1999US5900782 AGC voltage correction circuit
05/04/1999US5900781 Multistage variable gain amplifier circuit
04/1999
04/27/1999US5898121 Electrical musical instrument pickup system including switchable series-connected hum-canceling windings
04/21/1999EP0909479A1 Differential pair gain control stage
04/20/1999US5896458 Sticky leveler
04/20/1999US5896261 Power down protection circuit for an electronic device
04/20/1999US5896063 Variable gain amplifier with improved linearity and bandwidth
04/15/1999WO1999018664A1 Cmos differential voltage controlled logarithmic attenuator and method
04/15/1999DE19738939C1 Controllable wideband amplifier
04/14/1999EP0909022A2 Gain control circuit
04/14/1999EP0908007A2 Radio receiver and controllable amplifier circuit
04/08/1999WO1999017444A1 Multi-layer carrier module for power amplifier
04/08/1999WO1999017248A1 Optical sensor system for a bill validator
04/08/1999CA2271746A1 Optical sensor system for a bill validator
04/06/1999US5892835 Volume controller using encoder
03/1999
03/30/1999US5889432 Two-stage differential microwave amplifier with bias current sharing and automatic gain control
03/23/1999US5886579 Variable gain CMOS amplifier
03/18/1999WO1999013570A1 Method and apparatus for controlling signal amplitude level
03/10/1999EP0901224A2 Method and apparatus for automatic gain control using a linear limiter circuit with voltage controlled resistors as a variable element
03/10/1999EP0901058A1 Two stage current mirror
03/10/1999EP0610430B1 Analog-to-digital converter and method of fabrication
03/10/1999CN1210424A 自动增益控制 AGC
03/09/1999US5880631 High dynamic range variable gain amplifier
03/09/1999US5880618 CMOS differential voltage controlled logarithmic attenuator and method
03/08/1999CA2246135A1 Method and apparatus for automatic gain control using a linear limiter circuit with voltage controlled resistors as a variable element
03/04/1999DE19740692A1 Hearing aid with automatic gain control amplifier
03/03/1999EP0899872A2 Variable-gain amplifier circuit and attenuator circuit
03/02/1999US5877612 Amplification of signals from high impedance sources
02/1999
02/23/1999US5874857 Amplifier stage with dB-linear output voltage
02/16/1999US5872475 Variable attenuator
02/16/1999US5872446 Low voltage CMOS analog multiplier with extended input dynamic range
02/09/1999US5869998 Amplifier circuit having independent gain and response time adjustments
02/03/1999EP0895350A1 Low power gain controlled amplifier with high dynamic range
02/02/1999US5867778 Switched gain element
02/02/1999US5867514 Laser wavelength control circuit having automatic DC offset and gain adjustment
02/02/1999CA2164323C Temperature compensated variable gain amplifier
01/1999
01/19/1999US5862461 Transmitting apparatus and method of adjusting gain of signal to be transmitted, and receiving apparatus and method of adjusting gain of received signal
01/19/1999US5861778 Low noise amplifier structure
01/14/1999WO1998043348A3 Radio receiver and controllable amplifier circuit
01/13/1999EP0891042A2 Amplifier
01/13/1999EP0890156A1 Hand-held remote controller with trigger selection button
01/13/1999CN1204889A Programmable-gain amplifier
01/12/1999US5859556 Variable gain semiconductor circuit
01/07/1999EP0782797B1 Method and apparatus for temperature compensation in a time division multiplex receiver
01/05/1999US5856792 Interrupt driven method of remote control
01/05/1999US5856695 BiCMOS devices
01/05/1999US5855268 Optical sensor system for a bill validator
12/1998
12/30/1998EP0822656B1 Circuit arrangement with an operational amplifier
12/30/1998EP0656164B1 Television receiver
12/29/1998US5854973 Radio receivers
12/22/1998US5851864 Method of fabricating BiCMOS devices
12/16/1998CN1202046A Mobile communication transmitter capable of selectively activating amplifiers
12/09/1998EP0883250A2 Mobile communication transmitter capable of selectively activating amplifiers
12/03/1998WO1998054833A1 Improved transimpedance amplifier
12/02/1998CN1200598A Voltage control type control apparatus capable of achieving correct control characteristic without increasing interface line number
12/01/1998US5844445 Feedback type pre-amplifier
11/1998
11/25/1998CN1199986A Frequency compensated pin diode attenuator
11/24/1998US5841320 Variable gain amplifying device
11/18/1998EP0878053A1 Linearity enhancing circuit for power amplifier
11/17/1998US5838785 Voice level controller
11/17/1998US5838198 Gain control for parallel-arranged differential pairs
11/10/1998US5834988 Frequency compensated PIN diode attenuator
11/10/1998US5834975 Integrated variable gain power amplifier and method
11/05/1998WO1998049770A1 Differential pair gain control stage
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