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5438296 |
Multiplier and squaring circuit to be used for the same
A multiplier circuit includes first and second squaring circuits each having a differential input terminal pair. A first input terminal of the differential input terminal pair of the first squaring...
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5428834 |
Method and circuit for processing and filtering signals
A method for processing electrical signals includes the steps of: storing a plurality of first data signals, each representative of an instantaneous amplitude of a first input signal in a memory;...
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5426387 |
Device for generating an electrical voltage of predetermined waveform, iontophoresis apparatus for transdermally administering medicinal products and electrical stimulation apparatus, which apparatuses are equipped with such a device
The device comprises a switched-mode power supply (1) equipped with an electronic switching member (T 1 ), the closing of which controls the power supply to an inductor (L 1 ) which discharges,...
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5402019 |
Phase startable clock device
Apparatus for generating a phase startable clock signal, comprises an oscillator for providing a continuous sinusoidal input signal, a control signal source for providing a control input signal...
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5384739 |
Summing circuit with biased inputs and an unbiased output
A band gap voltage reference circuit operates between a positive supply voltage and ground. The inputs to a difference amplifier of the band gap reference circuit are biased above the voltage drop...
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5378946 |
Arrangement for temporal detection of a signal edge of an electrical signal transmitted over a transmission line
Two edge detectors (12, 13) at the input (10.1) and the output (10.2) of a delay line (10) of the edge detector arrangement (11) generate detection signals of identical shape at the detected signal...
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5371470 |
Transverse filter circuit
A transverse filler for use in a CCD camera eliminates KTC noise even at very fast pixel rates with relatively relaxed constraints on component accuracy and timing control, The circuit includes...
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5357145 |
Integrated waveshaping circuit using weighted current summing
A waveshaping circuit, which includes a phase-lock-loop stage, an input logic stage, a delayed input logic stage, and a weighted current sum stage, shapes and filters a data signal to be...
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5357155 |
Dual input signal summer circuit
A dual input differential signal summer combines a pair of differential input signals logarithmically to produce a differential output. The input signals are applied to a pair of differential...
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5305250 |
Analog continuous-time MOS vector multiplier circuit and a programmable MOS realization for feedback neural networks
A neuron circuit and a neural network including a four quadrant analog multiplier/summer circuit constructed in field effect transistors. The neuron circuit includes the analog multiplier/summer...
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5245229 |
Digitally controlled integrated circuit anti-clipping mixer
An anti-clipping mixer circuit is provided within an integrated circuit. The mixer circuit allows for the independent level control of each input signal, thereby allowing the optimization of the...
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5177373 |
Pulse width modulation signal generating circuit providing N-bit resolution
A digital circuit includes a flip-flop for latching N-bit digital data for a predetermined period of time, a counter for cyclically counting N-bit binary data, a first adding circuit for adding n...
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5146108 |
Parabolic wave generator
A parabolic wave generator in a color television receiver or the like wherein, when the amplitude level of an input sawtooth wave is higher than the center level thereof, squared currents of...
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5144160 |
Fully differential sample and hold adder circuit
A fully differential sample and hold, switched-capacitor adder circuit is disclosed, where a single-ended and fully differential signals can be added together. Thus in one single operation, the...
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5140198 |
Image canceling mixer circuit on an integrated circuit chip
An IF mixer circuit in a receiver implemented in integrated circuits employs a pair of doubly balance mixers, one injected with a local oscillator reference signal in phase while the quadrature...
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5045732 |
Polygon circuit
In a polygon circuit for input signal level compression in a signal processing circuit in, for example, a color television camera or the like, a first current proportional to the difference between...
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5003564 |
Digital signal clamp circuitry
A digital signal clamp circuit is realized using an adder and an up/down counter. The digital signal is coupled to one input of the adder and the counter output is coupled to a second input of the...
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4956566 |
Circuit configuration with a generator system for path- or angle-dependent signals
From two path- or angle-dependent signals (A, B) of identical amplitude and period generated by an incremental generator (GS) which signals have a phase shift of 90.about. el. to each other a...
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4939688 |
Dynamic range converter providing a multiplicity of conversion ratios
An electric signal converter utilizes a processing unit to establish a polynomial of n terms, each term being a power of the signal at the input terminal of the processor multiplied by an...
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4841251 |
Method of generating a voltage with a triangular shape from a sawtooth waveform
An arrangement for generating a voltage waveform having a triangular shape, in which a first voltage waveform having a sawtooth shape is added to a second voltage that has a sawtooth shape with...
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4814637 |
Pulse shaper
A pulse shaper forms multi-level signals with staircase-shaped level transitions. The formation of these staircase-shaped level transitions takes place through charge exchange between a plurality...
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4780630 |
Double differential summing amplifier with four independent inputs
A double differential summing amplifier circuit with four independent inputs, having two equipotential supply lines L1 and L2 raised respectively to potentials -V and +V; four MOS amplifier...
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4714837 |
High speed flip-flop
A high speed, edge-triggered, set/reset flip-flop of relatively simple circuit configuration which operates on small, narrow pulses.
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4713620 |
Dual signal amplitude modifying and combining apparatus
The present inventive concept combines two signals, each representative of a portion of a single signal, wherein the two signals have different non-linear slopes, and produces a single linearly...
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4695747 |
Apparatus increasing diode switching speeds
An improved current pump for use in a Type II phase-locked loop including diodes employed as on-off switches for completing paths for a source current. Apparatus is disclosed for increasing the...
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4605902 |
Hybrid junction signal combiner
Isolation is provided to two signal sources whose output signals are combined by the use of an outphasing technique. A first divider divides the signal from a first signal source into two signals...
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4599572 |
Voltage adder circuit
A voltage adder circuit for adding both balanced and unbalanced input signals. The balanced input signal is applied to respective transistors of a differential transistor pair, while the unbalanced...
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4585961 |
Semiconductor integrated circuit for squaring a signal with suppression of the linear component
An integrated circuit for squaring an original input signal includes a pair of dual-ended difference amplifiers to each of which the input signal is delivered, a pair of dual-to-single-ended...
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4575811 |
Vector summation power amplifier
A time sequence of square waves is summed to provide minimum distortion h power voltage sinusoids. The phase difference of two identical sinusoids is varied to control the resultant summed...
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4523325 |
Three-stage binary coincidence detector apparatus with adaptive constant false alarm rate
A target processor utilizing a feedback loop to maintain a constant false alarm rate for variable level video input signals with noise or noise plus clutter on the input signal. The processor...
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4514696 |
Numerically controlled oscillator
A radio frequency numerically controlled oscillator comprising N one bit adders each providing sum and carry outputs to one of N two bit registers. Sum, carry and frequency selection inputs are...
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4513249 |
Method and apparatus for signal detection, separation and suppression
The disclosure relates to methods and devices for separating and suppressing an interfering or jamming signal which is the strongest of a plurality of linearly combined signals and which carries...
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4479066 |
AC/DC Current divider circuit
There is disclosed a circuit, using integrated techniques, for dividing the AC component of an input signal by the DC component of that signal and then muitiplying the signal by a fixed DC current....
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4383189 |
Circuit arrangement for summing the powers of two isofrequential microwave signals
Two microwave signals of identical frequency, possibly differing in amplitude and/or phase from each other, are combined by feeding them to respective inputs of a directional coupler with outputs...
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4374362 |
Instrument zeroing circuit
An electronic interface circuit for coupling a source of analog signals to a measuring and/or recording device whereby the time varying component of the analog signal can be separated from any...
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4368433 |
Signal converter circuit
An input signal is written in n memory elements one after another in accordance with clock pulses, the contents of the n memory elements are added together by an adder, and the added output from...
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4362956 |
Absolute value circuit
An absolute value circuit capable of providing, through an output terminal, a signal corresponding to the absolute value of the difference between a first input signal and a second input signal,...
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4361771 |
Voltage summation circuit
A voltage summation circuit receives a series of input voltage signals and provides an output voltage signal which represents a summation of the input voltage signals. The voltage summation circuit...
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4346479 |
Compensation for transmission element nonlinearities in a radio relay transmission system
In order to compensate for nonlinearities introduced by a transmission member in a radio relay transmission system by means of a distortion converter stage, the converter stage is supplied with an...
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4338527 |
Voltage-current conversion circuit
A voltage-current conversion circuit comprises an input terminal, a conversion terminal, an output terminal, first and second emitter-coupled transistors having their bases respectively connected...
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4311929 |
Summing amplifier
A summing amplifier which sums and amplifies two input signals and combines them in a single load or output device. It includes a bridge circuit using either 4 NPN or 4 PNP type transistors. Two...
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4277695 |
Amplifier having dead zone of controllable width and position
A first amplifier compares an input signal with the sum of a position control signal and a first width control signal and a second amplifier compares the position control signal with the sum of the...
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4237422 |
Chromatograph signal generator
A chromatograph signal generator employs a plurality of Gaussian-waveform generators and a ramp voltage generator. A summing amplifier combines the outputs of such generators to produce a composite...
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4219880 |
Signal-processing and conversion systems
A signal-processing system, particularly adapted to digitally process analog signals, and including computation apparatus which carries out operations on the signals, also includes a control memory...
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4209842 |
Digital circuits having nonlinear output versus input characteristics
Unit value increments of two types are counted with the counting process starting anew each time these increments change type. As each count output is produced, it is translated into a second...
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4144577 |
Integrated quantized signal smoothing processor
An integrated quantized signal smoothing processor samples an analog signal, converts it to a digital number and averages n samples, the averages of n equal or nearly equal signals will be...
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4131846 |
Meter control circuit
In combination with a meter movement having a pointer movable over a variable value indicating scale having numbered variable value indicating marks forming respective scale segments having...
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4105900 |
Signal selection apparatus for redundant signal sources
Apparatus for signal selection and signal consolidation of the redundant sensor signals in a triply redundant control system wherein one of the redundant sensors supplies precise information and...
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4088960 |
Monolithically integrable correlation detector
A correlation detector for detecting the presence of tones uses an improved circuit for finding the square root of the sum of the squares consisting of a two phase to multiphase converter and a...
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4075697 |
Apparatus for monitoring two electric quantities by combining three consecutive samples of each quantity
Apparatus for monitoring two sinusoidal electric quantities of a common period, comprises two similarly timed samplers, an arithmetic unit for combining, in accordance with a preselected relation,...
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