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JPH08221503A |
PURPOSE: To prevent the circuit scale or power consumption of a computing unit from being increased by connecting an input voltage corresponding to a positive coefficient to a capacitor when an operational amplifier is set in a follower ...
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JP2527793B2 |
Conversion system for performing either an analog-to-digital A/D conversion associated with an amplification step or either a digital-to-analog D/A conversion associated with an attenuation step. The system includes means (115) for recei...
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JP2525218B2 |
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JPH08204567A |
PURPOSE: To reduce the circuit scale enlargement owing the increase of the number of bits and to perform the operation at a high speed with respect to a semiconductor device. CONSTITUTION: Capacity means C1 to CN are connected to many in...
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JPH08204563A |
PURPOSE: To equalize the gains of comparison means input parts to improve the operation precision by practically equalizing the sum totals of capacities connected to comparison means input parts in plural comparison means. CONSTITUTION: ...
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JPH08204562A |
PURPOSE: To reduce the circuit scale, to increase the operation speed, and to improve the operation precision in a semiconductor device having many input terminals. CONSTITUTION: In the semiconductor device where capacity means 2 are con...
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JPH08506948A |
PCT No. PCT/GB94/00385 Sec. 371 Date May 15, 1996 Sec. 102(e) Date May 15, 1996 PCT Filed Feb. 25, 1994 PCT Pub. No. WO94/19763 PCT Pub. Date Sep. 1, 1994A signal processing circuit which provides an accurate, continuously tunable impeda...
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JPH08171601A |
PURPOSE: To improve the resolution of multiplication while suppressing the increase of the total number of unit capacitances by providing plural stages of capacity coupling for setting a multiplier, and connecting the preceding stage of ...
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JPH08125502A |
PURPOSE: To reduce a circuit scale, to improve arithmetic operation speed, to reduce power consumption, to reduce manufacture cost and to improve manufacture yield in a semiconductor device. CONSTITUTION: In the semiconductor device, a c...
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JPH0833423B2 |
In order to take into account effect of load resistance applied to electromagnetic field in analyzing electromagnetic wave oscillator, the present invention arranges resistance equivalent to load resistance in analytical region, and conv...
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JPH0823874B2 |
A systolic array processor is provided which is adapted to virtually constitute a number of analog type pipelining processors which operate in a parallel manner on an analog type shift register array such as a CCD or the like. The proces...
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JPH0821052B2 |
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JPH0821051B2 |
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JPH08501428A |
A frequency translation device in a first embodiment includes a plurality of multiplying digital-to-analog converters (MDACs) that multiply an input signal by phase shifted digital sinewave approximation signals to perform frequency tran...
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JPH086807A |
PURPOSE: To provide a method and a device for judging a humming distance with the minimum number of stages. CONSTITUTION: A current generator 14 for obtaining a non-matching bit position between two digital words 1 and 2 by means of excl...
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JPH07118630B2 |
A multiplication processing circuit requiring no digital-analog converter includes a circuit for multiplying a digital multiplication coefficient by a digital multiplicand and outputting the result of multiplication as an analog current ...
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JPH07114367B2 |
Control circuit, which is connected to a data processor, a D-A converter, such as a current integration type adaptive delta demodulator, and a data processing mode change command terminal, attenuates output from the data processor in res...
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JPH07111686B2 |
An emulation system used to debug software for a digital signal process (DSP) (6) includes a built-in digital signal analyzer (18) which operates upon the same digital signals as those presented directly to and outputted by the DSP (6), ...
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JPH07263982A |
PURPOSE: To obtain an effective interface by providing an integrated circuit which operates with a low-voltage and a high-voltage input signal and outputs a high-voltage or low-voltage signal corresponding to them. CONSTITUTION: Cutoff c...
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JPH0782365B2 |
Apparatus and a method for use therein are disclosed for an analog signal processor, particularly one suited for use in nuclear power plant applications, which converts analog process signals to digital form and employs continuous on-lin...
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JPH0769671B2 |
A multiplying digital to analog converter using ladder networks and binary weighted load compensation to allow integration and video frequency operation. In one form, the circuit is configured from field effect transistors which incorpor...
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JPH0769928B2 |
An information processing system includes a digital computing system, an analog processing device with an arrangement for converting electrical information to information of analog form, and an arrangement responsive to the analog inform...
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JPH07176800A |
PURPOSE: To process signals as a digital filter and in Fourier transform at high speed and with high sensitivity, by passing all of output current of a first to fourth superconducting electron wave elements through an inductance, and det...
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JPH0763125B2 |
A saw-tooth waveform signal generating circuit 3 generates a saw-tooth waveform signal d in response to a timing signal b derived from a reference clock a. A voltage comparator 4 slices the saw-tooth waveform signal with a reference volt...
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JPH0750846B2 |
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JPH0786921A |
PURPOSE: To improve a processing speed by providing an arithmetic and logic circuit in an on-site programmable digital signal processing integrated circuit and storing logic equivalent to a desired analog circuit element in it. CONSTITUT...
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JPH0784997A |
PURPOSE: To provide a track analyzing method and analyzing device which take a complicated analysis of the track of the smooth restraint system under small initial conditions without difficulties. CONSTITUTION: The device and method are ...
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JPH07503090A |
A failsafe avionics interface unit serves as a protocol converter system for translating data for control purposes from a digital communication bus to an analog control channel as an upgrade or interface to an existing analog control sys...
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JPH0773260A |
PURPOSE: To provide a mass center calculation circuit for calculating the center position X among plural pieces of distributed mass. CONSTITUTION: A binary weighting numbers are given to respective (n) capacitor arrays ARRAY by respectiv...
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JPH071849B2 |
A sine wave generator which utilizes a PROM for storing a predetermined bit pattern which is converted to a corresponding pulse waveform generated in response to a very accurate and stable clock pulse. The pulse waveform is shifted to a ...
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JPH0687017B2 |
Temperature compensation in a digital data handling system uses a digital temperature compensation for producing a digital word modification for an input to a temperature sensitive digital to analog converter (6). The temperature affecti...
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JPH06300791A |
PURPOSE: To provide a potentiometer multiplication circuit having better linearity at the prescribed resolution. CONSTITUTION: This wattmeter has two multiplication modules M1 and M2, and each of the modules M1 and M2 is provided with at...
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JPH06232744A |
PURPOSE: To prevent invasion of noises, malfunction and circuit destruction caused when an analog signal processing section and a digital signal processing section are mixed in a semiconductor integrated circuit in the signal processor h...
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JPH06203189A |
PURPOSE: To hold the inside data even by an analog divider circuit by converting the voltage level into the time by means of the charging characteristic of an RC circuit and registering the time in a digital counter as the clock number. ...
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JPH06195482A |
PURPOSE: To enable the holding of internal data although a multiplication circuit is an analog type multiplication circuit by converting a voltage level into time, using the charging characteristic of a RC circuit, and registering the ti...
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JPH0650762B2 |
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JPH06164320A |
PURPOSE: To successively execute the multiplication of different multipliers at the same multiplying circuit and to suppress hold errors at minimum by holding the multipliers of the respective multiplying circuits in a shift register and...
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JPH0636166B2 |
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JPH0629039B2 |
A vehicle motion estimating system for estimating a vehicle motion variable such as yaw rate, lateral acceleration, or side slip angle by using a mathematical vehicle model is composed of a digital device such as a microcomputer for digi...
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JPH0624288B2 |
A sine-wave oscillator produces a sine-wave signal of a digitally predetermined frequency f in successive steps by only one multiplication and one addition under control by a clock generator having a clock frequency p. During a first ste...
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JPH0614615B2 |
In apparatus for processing an analog signal, a successive approximation ADC comprises a successive approximation register and a DAC. The final digital signal generated by the ADC is applied to digital processing equipment, such as a dig...
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JPH0645934A |
PURPOSE: To provide a CMOS-IC, including various input output devices by providing a current/voltage range decision amplifier circuit to a CMOS linear circuit and allowing an overcurrent circuit to conduct D/A modeling of a conductor tem...
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JPH0629842A |
PURPOSE: To reduce spurious signals which are produced by changes of power consumption due to the cyclic operation of a processor. CONSTITUTION: A digital signal processor that depends on a command code to be executed carries out a circu...
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JPH05267458A |
PURPOSE: To provide a user-programmable integrated circuit containing analog parts including user-configurable analog circuit modules, digital parts including user-configurable digital circuit modules, interface parts including user- con...
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JPH05210649A |
PURPOSE: To provide the synapse neural network expressing device of an analog storage system operating stably for many hours and subjected to high integration. CONSTITUTION: A second neural network expressing unit 505 receives an output ...
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JPH05181506A |
PURPOSE:To obtain the posture controller enabling high-speed posture control without requiring any complicated program even to a high-speed or sudden operation. CONSTITUTION:This posture controller is provided with a sensor 1 to detect t...
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JPH05174095A |
PURPOSE: To execute an exact simulation. CONSTITUTION: In a simulator of an analog/digital mixed circuit provided with a circuit simulation part 11 for executing an integral analysis of an analog circuit part at every integral time corre...
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JPH0544064B2 |
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JPH0535471B2 |
A method and integrator circuit for digitally integrating signals wherein digital signals to be integrated are supplied to a digital adder thereby generating digital adder output signals. Each digital adder output signal is stored and th...
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JPH0573639A |
PURPOSE: To provide a processing method for circuit simulator, which easily analyzes the model of an analog component. CONSTITUTION: The high standard description 12 of the model of the analog component is inputted and the high standard ...
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