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Class Information
Number: 330/253
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including differential amplifier > Having field effect transistor
Description: Subject matter wherein a field effect transistor (FET) is utilized in the circuit with the differential amplifier.










Patents under this class:

Patent Number Title Of Patent Date Issued
8704597 Amplifiers and related receiver systems Apr. 22, 2014
8692616 Operational amplifier, analog arithmetic circuit, and analog to digital converter Apr. 8, 2014
8692580 Sense amplifier Apr. 8, 2014
8680923 Output circuit Mar. 25, 2014
8680922 Rail-to rail input circuit Mar. 25, 2014
8674755 Differential source follower having 6dB gain with applications to WiGig baseband filters Mar. 18, 2014
8665028 Amplifier with integrated filter Mar. 4, 2014
8665019 Power amplifier Mar. 4, 2014
8653893 Output circuit, data driver circuit and display device Feb. 18, 2014
8653892 Systematic intermodulation distortion calibration for a differential LNA Feb. 18, 2014
8644759 Offset cancellation for DC isolated nodes Feb. 4, 2014
8643437 Multi-input differential amplifier with dynamic transconductance compensation Feb. 4, 2014
8643432 Op-Amp sharing by swapping trans-conductance cells Feb. 4, 2014
8639193 Tri-state control for a line driver Jan. 28, 2014
8629726 High-performance amplifier for transducer array input unit cell Jan. 14, 2014
8626098 Automatic gain control with programmable attack and decay times Jan. 7, 2014
8624671 Audio amplifying circuit with improved noise performance Jan. 7, 2014
8618884 High-frequency signal processing device Dec. 31, 2013
8614604 Amplifier inductor sharing for inductive peaking Dec. 24, 2013
8614603 Auto leveling receiver Dec. 24, 2013
8614602 Differential amplifier Dec. 24, 2013
8604878 Folded cascode amplifier with an enhanced slew rate Dec. 10, 2013
8604877 Differential amplifier Dec. 10, 2013
8604876 Current buffer Dec. 10, 2013
8593222 Amplifier Nov. 26, 2013
8576214 Display device Nov. 5, 2013
8576005 Transceiver and integrated circuit Nov. 5, 2013
8552800 Wireless communication device and semiconductor package device having a power amplifier therefor Oct. 8, 2013
8547446 Fully-differential amplifier, photoelectric conversion apparatus including fully-differential amplifier, and image-pickup system Oct. 1, 2013
8542038 Source driver and receiver thereof Sep. 24, 2013
8536946 Multi-input operational amplifier and output voltage compensation method thereof Sep. 17, 2013
8536942 Power amplifier Sep. 17, 2013
8536937 Electric circuit Sep. 17, 2013
8531241 System and method for process, voltage, temperature (PVT) stable differential amplifier transfer function Sep. 10, 2013
RE44469 Nanoelectronic differential amplifiers and related circuits having graphene nanoribbons Sep. 3, 2013
8519793 Operational amplifier circuit Aug. 27, 2013
8513938 Reference voltage circuit and semiconductor integrated circuit Aug. 20, 2013
8502603 Output common mode voltage stabilizer over large common mode input range in a high speed differential amplifier Aug. 6, 2013
8502565 Low phase noise buffer for crystal oscillator Aug. 6, 2013
8493148 Gain enhancement for cascode structure Jul. 23, 2013
8493147 Differential amplifier and source driver Jul. 23, 2013
8492925 Apparatus for charging an external capacitor Jul. 23, 2013
8489030 Radio apparatus having first and second amplifiers and which performs direct current offset correction of the first and second amplifiers Jul. 16, 2013
8488652 Systems and methods for blind equalization in a digital receiver Jul. 16, 2013
8487695 Differential source follower having 6dB gain with applications to WiGig baseband filters Jul. 16, 2013
8482552 DC-DC converter switching transistor current measurement technique Jul. 9, 2013
8482352 Differential amplifier stage with integrated offset cancellation circuit Jul. 9, 2013
8476973 Switch device and layout design method for switch device Jul. 2, 2013
8461926 Differential amplifier circuit Jun. 11, 2013
8456337 System to interface analog-to-digital converters to inputs with arbitrary common-modes Jun. 4, 2013











 
 
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