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6729318 System and process for controlling the step response of electric components  
An electronic component, such as an IGBT, that presents a control terminal for receiving a stepwise control signal and at least one other terminal adapted for reaching a given voltage level by...
6459321 Gate protection clamping circuits and techniques with controlled output discharge current  
Gate protection clamping circuits and techniques with controlled output discharge current are provided. Circuits and methods according to the invention are implemented to relatively rapidly...
6081139 Differential amplifier with lateral bipolar transistor  
The present invention provides a differential amplifier. The differential amplifier includes first and second inputs and an output. The differential amplifier further includes a lateral bipolar...
5717348 Self adjusting edge detector circuit  
A edge detector for the production of output signal in a manner dependent on positive and negative edges of a square wave signal comprises a differential amplifier with two base-coupled transistors...
5532627 Stackable voltage comparator circuit for a multiple voltage window detector  
A stackable voltage comparator circuit that may be used in an analog voltage address decoder circuit for performing voltage window comparisons. The voltage comparator circuit includes a plurality...
5514949 Current mirror with at least one PNP-transistor  
A current mirror having at least one pnp-transistor and providing overvoltage protection has three collectors designed as partial collectors. Two of the partial collectors and the base are linked...
5453712 Circuit for accurately discharging a capacitor  
A subcircuit for discharging a capacitor at a preselected rate incorporates a first transistor and a second transistor connected with the emitter of the first transistor providing current to the...
5424676 Transistor collector structure for improved matching and chokeless power supply connection  
Internal to the transistor, an additional, direct connection is made from the internal collector to the external collector of the transistor by a fixed shunt inductance. The external power supply V...
5262682 Level converter circuit having two multi-collector transistors for simplifying circuit configuration  
A level converter circuit having hysteresis characteristics between an input voltage and an output voltage comprises two multi-collector transistors constituting a differential amplifier, a...
5017816 Adaptive gate discharge circuit for power FETS  
An adaptive gate discharge circuit for discharging the gate of a power FET transistor. The adaptive gate discharge circuit includes discharge driver circuitry which responds to the control signal...
4807009 Lateral transistor  
In a lateral transistor having a first semiconductor region of one conductivity type, and an emitter region and a collector region both having the opposite conductivity type and disposed in the...
4663598 Monolithic switch  
A current mirror which is stable and accurate for a broad range of beta gain factors of the individual transistors thereof has two transistors of one type connected substantially as a Darlington...
4509182 Binary counter  
A binary counter consists of some unit stages having a first pair of coincident gates composed of a first and a second coincident gates, a first input terminal of each being cross-coupled with the...
4435651 Zero voltage switch  
A zero voltage switch comprises two parallel connected current branches for taking over the D.C. current from a D.C. current source in half cycles of an A.C. voltage and a third current branch for...
4429234 Threshold switch  
To permit evaluation of only slowly changing low amplitude undulating signals, derived for example from a wheel-speed transducer of a brake anti-block system, and to obtain essentially square-wave...
4423409 Digital-to-analog converter having single-ended input interface circuit  
A digital-to-analog converter circuit includes an open-loop reference circuit for regulating a plurality of bit switch currents and utilizes a high-speed single-ended input interface network for...
4396889 Nonadjusting battery life detector  
A battery life detector operates by sensing battery voltage. The detector consists of a pair of series combinations of a constant voltage source and a constant current source which are connected to...
4371792 High gain composite transistor  
A composite transistor suitable for use in monolithic integrated circuits is characterized as having extremely high current gain, stable operation and low leakage current. Two vertical NPN...
4346313 Monolithic integrated threshold switch  
This invention relates to a monolithically integrated threshold switch which switches on at an upper voltage value of a hysteretic characteristic and switches off at a lower voltage value...
4341960 I.sup.2 L Static shift register  
Each bit of the register includes a plurality of active elements which perform as NOR logic gates. Each active element comprises an I 2 L unit consisting of a bipolar inverter transistor and a...
4266100 Monolithically integrated semiconductor circuit  
A monolithically integrated semiconductor circuit, provided for coupling arrangements having symmetrical cross points, comprising two through switching NPN transistors, and a composite circuit for...
4258330 Differential current amplifier  
A differential amplifier circuit wherein one collector of the multicollector of each of first, second and third inverse NPN transistors is connected to a base of the corresponding transistor; the...
4232234 Semiconductor switch circuit  
In a semiconductor switch circuit employing at least one 4-terminal PNPN switch having a cathode gate and an anode gate for switching an AC signal, a current supplying circuit is connected to the...
4203043 Tristate changeover switching circuit  
A switching circuit having a current source connected to first, second and third lines in order to supply first and second current signals whose total amount remains constant to the first and...
4188548 Semiconductor switching circuit  
A semiconductor switching circuit comprising a semiconductor element having an equivalent four-layer structure of a PNPN conductivity type formed by connecting the collector and the base of an NPN...
4112346 Constant current circuit  
A constant current circuit includes two characteristic-correlated PNP transistors connected to a constant voltage source and having common-connected emitters and common-connected bases and an NPN...
4096399 Crosspoint bias circuit arrangement  
A semiconductor transmission circuit arrangement which utilizes symmetrical transmission transistors and bias circuitry which exhibits a high output impedance and is arranged to maintain equal d.c....
4085339 Circuit arrangement in a complementary CHL technique  
A circuit arrangement CHL technique (current hogging logic) includes individual CHL arrangements each having an emitter, control collectors and an output collector and arranged within an epitaxial...
4081822 Threshold integrated injection logic  
Integrated injection logic circuits and semiconductor devices employing threshold functions. Multiple-collector input transistors have their collectors connected to the bases of one or more output...
4071779 Semiconductor switch  
A semiconductor switch of a PNPN structure comprises a PNPN switch of an equivalently four-layered structure including a P-type anode, N-type cathode, N-type gate and P-type gate, a first NPN...
4068254 Integrated FET circuit with input current cancellation  
An integrated circuit including an FET and an analog for cancelling input current that would otherwise be required to supply the FET gate leakage current. The analog establishes a leakage current...
4054898 Switching system to short-circuit a load with minimum residual voltage  
A controlled main switch, typically a semiconductor switch, is connected in parallel to the load. In accordance with the invention, an auxiliary switch, typically also a semiconductor switch such...
4051394 Zero crossing AC relay control circuit  
An AC relay control circuit comprising a pair of back-to-back, series connected zener diodes control current flow through a control resistor. The control resistor is connected in parallel with...
4023111 Current limiting driver circuit  
A driver circuit in which the output current is limited to a particular value. A very low value resistance in the output stage senses the current and modulates the conduction to a diode-amplifier...
4013898 Hysteresis circuit  
A differential amplifier including first and second transistors is provided. A first input terminal is connected via a resistor to the base of the first transistor, a second input terminal is...
3989957 Count-of-ten semiconductor structure  
A count of ten divider uses plural divide-by-two circuits, plural NOR gates and an inverter formed in a semiconductor body all of the foregoing being in a collector-up configuration.
3913125 Negative impedance converter  
A semiconductor negative impedance converter device for compensation of insertion losses attributable to the use of high impedance devices such as semiconductor controlled rectifiers in solid state...
3893017 Regulator with bipolar transistors  
A reference bias regulator utilizes both NPN and PNP transistors supplying a reference bias for constant current sources to be used as load devices in low voltage integrated circuits thus...
3881150 Voltage regulator having a constant current controlled, constant voltage reference device  
A feedback loop, including a low beta transistor and a second transistor with the bases connected to the collectors to form a loop, is utilized to provide a flow of current to a zener diode to...
3828314 END MARK CONTROLLED SWITCHING SYSTEM AND MATRIX  
Electronic switching systems employing three terminal, four layer PNPN-type thyristors having their gates brought out from the layer or region adjacent their anodes and characterized by having...
3818462 NOISE IMMUNE I.C. MEMORY CELL  
An integrated circuit bistable memory cell is described having a trigger threshold that is proportional to the power supply voltage. This threshold to power supply ratio may readily be adjusted...
3801866 FLASHING NOVELTY DEVICE  
A two-function oscillator comprising an integrated circuit device and a plurality of circuit components externally connected to the device. The circuit device provides an output terminal and a...
3800239 CURRENT-CANCELING CIRCUIT  
A current-canceling circuit coupled to the input of a differential amplifier stage nulls normal input currents resulting from base bias and leakage currents. H fe match of only one pair of devices...
3798472 MONOLITHIC INTEGRABLE FLIP FLOP CIRCUIT  
This invention relates to a monolithic integrable flip flop circuit which provides for information storage and reliable switchover by inserting a transistor between the base and collector of the...
3742256 FUEL PUMP DRIVER CIRCUIT  
A fuel pump driver circuit for an internal combustion engine includes a voltage supply which energizes the fuel pump through an output or switch transistor. The output transistor is turned off to...
3704456 ASSOCIATIVE STORAGE ELEMENT  
The invention provides an associative flip-flop storage element which does not go into stauration, thereby providing a fast switching rate with comparatively low voltage variations across the drive...
3700921 CONTROLLED HYSTERESIS TRIGGER CIRCUIT  
A monolithic integrated trigger circuit has its upper switching threshold determined by different emitter area ratios of a differential amplifier supplied from a first current source, and its lower...
3700929 INTEGRATED BISTABLE CIRCUIT  
A protected monolithic integrated flip-flop circuit comprises a pair of NPN transistors as the active flip-flop elements with the collectors of each of these transistors being supplied from a...
3688220 STABLE DIFFERENTIAL RELAXATION OSCILLATOR  
A monolithic, integrated, voltage and temperature stable, relaxation oscillator uses a parallel resistive-capacitive timing network to cause a change of state of a differential switching circuit...
3683270 INTEGRATED CIRCUIT BILATERAL CURRENT SOURCE  
A bilateral current source is provided for generating equal and opposite sourcing and sinking currents which are useful, for example, in linearly charging and discharging a capacitor. A reference...
Matches 1 - 50 out of 55 1 2 >