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JPH03497B2 |
An apparatus including a computer for generating a time duration signal is proposed, intended in particular for controlling fuel metering or ignition processes in internal combustion engines, wherein the time duration signal is formed in...
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JPH02312407A |
PURPOSE: To correct the value of a counter which is being operated with high accuracy by providing an adding means for adding a correction necessary value of the counter written by a software and the present value of the counter and writ...
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JPH0261183B2 |
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JPH02305022A |
PURPOSE: To constitute a non-integer frequency dividing circuit by simple circuit constitution by connecting the output of an inversion control circuit to an input clock terminal of an integer frequency dividing circuit, and outputting a...
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JPH0260096B2 |
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JPH0247642Y2 |
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JPH0259651B2 |
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JPH02301266A |
PURPOSE:To generate a sampling clock signal corresponding to each and every scanning speed by means of a reference frequency signal oscillator by storing a count of the reference frequency signal into a ROM. CONSTITUTION:The circuit incl...
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JPH02145822U |
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JPH02295125A |
PURPOSE: To provide a semiconductor-mounting device which enables characteristics to be inspected in a state which is close to operation of a chip after mounting the semiconductor previously before mounting the semiconductor chip to a su...
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JPH02143844U |
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JPH0257732B2 |
PURPOSE:To reduce the logical scale of a binary counter by connecting the 1st and 2nd DFFs in cascade and ORing exclusively between the output of the 2nd FF and an input signal to use the result as an input to the 1st FF. CONSTITUTION:Th...
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JPH02294117A |
PURPOSE: To lower the cost for constituent elements by providing a count step including a load path of a 1st transistor(TR), a load path of a 1st inverter and a 2nd TR and a ring circuit composed of a 2nd and a 3rd inverter. CONSTITUTION...
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JPH02294118A |
PURPOSE: To facilitate the device test by providing an input terminal through which a control signal is inputted to a feedback system so as to control the output. CONSTITUTION: When a control signal with a low level is inputted to an inp...
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JPH02292915A |
PURPOSE: To easily obtain a frequency synthesizer of high performance by outputting the output of a 2 modulus variable frequency dividing circuit through an output signal converting circuit which can selectively perform the signal invert...
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JPH0255976B2 |
An improved frequency synthesizer suitable for use in mobile and portable radio applications using multiple dual modulus prescalers to achieve high frequency operation and low current drain. A first high speed prescaler of limited size i...
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JPH0255975B2 |
A description is given of a number of dividers for a non-integer divisor f, notably f=N-1/2. The divider comprises a chain of dynamic bistable elements, at least one of which is activated in reaction to the positive-going signal edges, w...
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JPH02285715A |
PURPOSE: To control the phase of a frequency division clock by providing plural inverting means connecting to a pre-stage or post-stage of plural FFs connected in series, and inverting the phase of an input output signal in response to a...
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JPH0253971B2 |
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JPH02280527A |
PURPOSE: To change a count function by adopting the constitution such that a data given to each flip-flop of a flip-flop section is given from a memory section so as to have only to change a data stored in a memory section. CONSTITUTION:...
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JPH02277316A |
PURPOSE: To avoid the output of a frequency division pulse till a load signal and to prevent malfunction of other circuit by providing a set reset flip-flop holding an initial reset signal in a frequency divider circuit and connecting th...
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JPH02503859A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0241953Y2 |
A duty control circuit for controlling a duty factor in various industrial applications is proposed. It comprises a n-pulse counter, a m-pulse counter, another n-pulse counter, and a magnitude comparator. The magnitude comparator compare...
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JPH02272822A |
PURPOSE: To select either a shift function or a counter function and to improve general-useability and extendability by installing a counter combination circuit, a shift register combination circuit and a mode selector. CONSTITUTION: Whe...
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JPH02272821A |
PURPOSE: To reduce power consumption and to enlarge a circuit scale by connecting plural gate circuits having a specified basic logical circuit in a part, and installing a source follower circuit in the final output terminal. CONSTITUTIO...
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JPH0251298B2 |
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JPH02271717A |
PURPOSE: To form a non-integer frequency division ratio with combination of M and N by constitution comprising a device of a basic frequency divider circuit which is operated at a frequency division ratio of 2M-1 or 2M (M≥2) and an N-n...
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JPH02271716A |
PURPOSE: To make the counter suitable for high speed transmission by providing plural D FFs, a feedback gate whose output connects to the input of a 1st stage FF and a means deciding the input state of one of the FFs with an exter nal si...
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JPH02133029U |
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JPH0249577B2 |
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JPH02261239A |
PURPOSE: To realize low power consumption and to improve the reliability by generating simultaneously a clock for baud rate and a clock for real time clock from one clock generator. CONSTITUTION: Clocks for baud rate of 19200Hz, 9600Hz, ...
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JPH02128431U |
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JPH02256321A |
PURPOSE: To avoid malfunction by retarding a clear signal inputted to an asynchronous counter so as to synchronize the signal with a clock signal of an inverted phase. CONSTITUTION: When a clear signal CLR goes from an H to an L level wi...
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JPH02256257A |
PURPOSE: To cope with the case when high speed operation is requested by providing a selecting circuit which selects the case wherein an input clock signal is imparted to an operation control circuit through a frequency dividing circuit ...
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JPH02123134U |
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JPH02120933U |
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JPH0242246B2 |
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JPH02238714A |
PURPOSE: To decrease the packaging area and to reduce man-hour for manufacturing the circuit and possible processing mistake by incorporating entirely a counter and a comparator and mounting an input section for setting notation into and...
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JPH02118332U |
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JPH02230819A |
PURPOSE: To agree the number of clock pulses with the number of desired output periods by providing a resonator device, synchronous logic device, N- division counter device, feedback device and reference device. CONSTITUTION: A clock gen...
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JPH02226814A |
PURPOSE: To obtain a decoded signal from a decoder in an early stage by providing a means which specifies the loading of the output parallel signal an encoding part to a counting part. CONSTITUTION: When the counting part 1 begins to cou...
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JPH02226813A |
PURPOSE: To make needless a pad or an output pin for integrated device for signal feedback by forming a mosaic of memory cell arrays programmable a device system and plurifunction stationary circuit blocks(PSB). CONSTITUTION: A logic dev...
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JPH0239895B2 |
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JPH02224525A |
PURPOSE: To attain high speed calculation even in the case of the occurrence of multi-bit by dividing high-order and low-order bits of the result of address increment, detecting the occurrence of carry at the low-order bit and informing ...
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JPH02222323A |
PURPOSE: To prevent a noise caused by a frequency dividing circuit of a solid- state image pickup device by roughly equalizing the wiring capacity between flip-flops in a Johnson counter. CONSTITUTION: Each flip-flop FF1-FF101 of a Johns...
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JPH02222377A |
PURPOSE:To reduce a noise caused by a frequency dividing circuit of a solid- state image pickup device by setting the number of variations of an output state of a flip-flop to the same number at every rise or fall of a clock. CONSTITUTIO...
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JPH02223225A |
PURPOSE: To accelerate operating speed by using a first FF circuit having a reset function, and inputting a feedback signal outputted from a second FF circuit directly to the first FF circuit as a reset signal. CONSTITUTION: In a variabl...
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JPH02220516A |
PURPOSE: To attain the function to be enhanced even when an upper limit operating frequency is increased by providing a latch circuit and a delay circuit, and deciding the delay time in response to the upper limit operating frequency of ...
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JPH02220517A |
PURPOSE: To reset a counter without any external signal by providing plural differentiating circuits, detecting a front edge of an external clock signal at one differentiating circuit and, detecting a trailing edge at the other circuit t...
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JPH02217017A |
PURPOSE: To attain self-restoration even when a reset pulse is not impressed by connecting an output terminal to an input terminal so that an operating state is started by an input clock the state of each JK flip flop(FF) at the time of ...
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