219340 ⎘
Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit Long tailed pairs
Receiving band switching circuit with reduced signal loss upon switching receiving band
#302Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same
#303Apparatus and method for controlling operation of an amplifier device when supply voltage varies
#304Discrete inductor bank and LC filter
#305CMOS-configured transconductance amplifier circuit
#306Analog multiplexing circuits
#307Subtractor circuit and power detector arrangement having that subtractor circuit
#308Photoreceptor amplifier circuit and optical pickup
#309Bias current cancellation for differential amplifiers
#310Methods and apparatus for an improved discrete LC filter
#311Extended bandwidth amplifier and oscillator using positive current feedback through inductive load
#312Wideband CMOS gain stage
#313Variable-gain amplifier having error amplifier with constant loop gain
#314Frequency output circuit
#315Differential amplifier circuit
#316AC differential amplifier with reduced low corner frequency
#317Apparatus and method for compensating operating current in an amplifier when supply voltage varies
#318Amplification circuit for driving a laser signal
#319Amplifier apparatus for use with a sensor
#320Differential amplifier circuit
#321Post amplifier array integrated circuit
#322Compound load for differential circuits
#323Power amplifier
#324Amplifier apparatus for use with a sensor
#325Transconductance amplifier with multi-emitter structure for current balance in a multi-phase regulator
#326Ultra fast, low noise operational amplifier with dynamic biasing
#327Active filter circuit using gm amplifier, and data read circuit, data write circuit and data reproducing device using the same
#328Differential amplifier with limitation of high common mode output voltages
#329Darlington differential amplifier
#330Semiconductor device, temperature sensor, and electronic apparatus comprising it
#331Translinear variable gain amplifier
#332Switching circuits
#333Power level controlling of first amplification stage for an integrated RF power amplifier
#334Driver circuit
#335Techniques to lower drive impedance and provide reduced DC offset
#336Coupling device for interfacing power amplifier and antenna in differential mode
#337Linear decibel-scale variable gain amplifier
#338Amplifier circuit for optical disk drive
#339High-frequency power amplifier having differential inputs
#340Transistor amplifier
#341Linear-in-decibel variable gain amplifier
#342Clamped comparator
#343Balanced variable gain amplifier capable of achieving performance by low source voltage
#344Ideal operational amplifier layout techniques for reducing package stress and configurations therefor
#345Apparatus and method for converting a fully-differential class-AB input signal to a rail-to-rail single ended output signal
#346Integrated circuit with an amplifier
#347Methods and apparatus for an improved discrete LC filter
#348Absorptive microwave single pole single throw switch
#349Wideband passive buffer with DC level shift for wired data communication
#350Low voltage amplifier with gain boost circuit
#351Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion
#352Linear amplifier with extended linear output range