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Class Information
Number: 330/308
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including atomic particle or radiant energy impinging on a semiconductor
Description: Subject matter in which the amplifying device semiconductor body is subjected to radiant energy which may be in the form of light, free (unrestrained) electromagnetic energy, gamma rays, etc.., or atomic particle bombardment, such as alpha or beta rays, etc..










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8121495 Current mirror circuit and optical receiver circuit using the same Feb. 21, 2012
8115179 Radiation detection system Feb. 14, 2012
8063705 Push-pull transimpedance amplifier Nov. 22, 2011
8054136 Electronic circuit Nov. 8, 2011
8049157 Semiconductor device Nov. 1, 2011
8035072 Optical semiconductor device and infrared data communication apparatus eliminating low frequency component Oct. 11, 2011
8022771 Linearized trans-impedance amplifiers Sep. 20, 2011
7961053 Integrated circuit having a dummy transimpedance amplifier Jun. 14, 2011
7956314 Microwave switching element Jun. 7, 2011
7952427 Signal amplifier circuit and optical receiver May. 31, 2011
7948323 Linear transimpedance amplifier with wide dynamic range for high rate applications May. 24, 2011
7928355 Current subtraction pixel Apr. 19, 2011
7911278 Biased low differential input impedance current receiver/converter device and method for low noise readout from voltage-controlled detectors Mar. 22, 2011
7912383 Configurable post-amplifiers that are capable of being configured to perform either substantially linear or limiting amplification for use in optical receivers Mar. 22, 2011
7898341 Non-inverting amplifier circuit and optical switch driver circuit Mar. 1, 2011
7876155 Transimpedance amplifier with distributed control of feedback line Jan. 25, 2011
7868701 Transimpedance amplifier Jan. 11, 2011
7868702 Photoreceiver/amplifier circuit, optical pickup device, and optical disk device Jan. 11, 2011
7859342 Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same Dec. 28, 2010
7825735 Dual-range linearized transimpedance amplifier system Nov. 2, 2010
7822349 Digital iterative gain control Oct. 26, 2010
7804363 Open loop DC control for a transimpedance feedback amplifier Sep. 28, 2010
7800439 High speed preamplifier circuit, detection electronics, and radiation detection systems therefrom Sep. 21, 2010
7787780 Optical signal receiving circuit Aug. 31, 2010
7787642 Low-power high-PSRR current-mode microphone pre-amplifier system and method Aug. 31, 2010
7783205 Learning infrared amplifier for remote control devices Aug. 24, 2010
7772537 Linear distributed pixel differential amplifier having mirrored inputs Aug. 10, 2010
7760015 Combination offset voltage and bias current auto-zero circuit Jul. 20, 2010
7760020 Amplifier device Jul. 20, 2010
7755433 Preamplifier and optical receiving device including the same Jul. 13, 2010
7755434 Electronic circuit Jul. 13, 2010
7746172 Linearized differential transimpedance amplifier Jun. 29, 2010
7724087 High speed differential receiver with rail to rail common mode operation having a symmetrical differential output signal with low skew May. 25, 2010
7705899 Amplification type solid-state image pickup device driving method Apr. 27, 2010
7676152 Optical power monitor for PON telecommunication Mar. 9, 2010
7671687 Electron beam RF amplifier and emitter Mar. 2, 2010
7663089 Receiving apparatus Feb. 16, 2010
7659776 Offset voltage correction for high gain amplifier Feb. 9, 2010
7657191 Variable bandwidth transimpedance amplifier with one-wire interface Feb. 2, 2010
7652242 Device for processing and digitizing an energy spectrum of an electromagnetic radiation Jan. 26, 2010
7642860 Current pre-amplifier and associated current comparator Jan. 5, 2010
7635837 Optical receiving circuit Dec. 22, 2009
7620330 Optical receiver device and method Nov. 17, 2009
7616062 Received-light amplifier Nov. 10, 2009
7605660 Linear multi-stage transimpedance amplifier Oct. 20, 2009
7606488 Wavelength-division-multiplexing optical transmission system and control method thereof Oct. 20, 2009
7601940 Gain control system for visible light communication systems Oct. 13, 2009
7602251 Arrangement for carrying out current-to-voltage conversion Oct. 13, 2009
7598479 Circuit for varying gain of preamplifier Oct. 6, 2009
7598812 Shorted input detection for amplifier circuits Oct. 6, 2009

1 2 3 4 5 6 7 8 9 10










 
 
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