UNIT MEASURING INTENSITY OF MAGNETIC FIELD
magnetic measurements. SUBSTANCE: unit measuring intensity of magnetic field incorporates generator of rectangular pulses, ferrosonde with core made of permalloy with hysteresis loop with squareness ratio close to one to which output winding integrator is connected. Output of integrator is coupled t...
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| creator | LANKIN M.V SAVVIN D.D GRECHIKHIN V.V LANKINA G.V GORBATENKO N.I TKACHENKO E.G |
| description | magnetic measurements. SUBSTANCE: unit measuring intensity of magnetic field incorporates generator of rectangular pulses, ferrosonde with core made of permalloy with hysteresis loop with squareness ratio close to one to which output winding integrator is connected. Output of integrator is coupled to input of amplifier whose output is connected to input of threshold unit. First logic AND gate is connected in series with first reversible pulse counter, digital-to-analog converter, controlled source of current and excitation winding of ferrosonde. Second input of first reversible pulse counter and first input of first logic AND gate are connected to output of threshold unit. Proposed unit is supplemented with second logic AND gate and second reversible pulse counter. Output of generator is connected to first inputs of second logic AND gate and second reversible pulse counter, output of second logic AND gate is linked to second inputs of first logic AND gate, second reversible pulse counter and key. Third input of second reversible pulse counter is connected to output of first reversible pulse counter and its output is linked to second input of second logic AND gate. EFFECT: increased speed of response thanks to preservation of relative pulse duration proportional to amplitude of pulses. 2 dwg |
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SUBSTANCE: unit measuring intensity of magnetic field incorporates generator of rectangular pulses, ferrosonde with core made of permalloy with hysteresis loop with squareness ratio close to one to which output winding integrator is connected. Output of integrator is coupled to input of amplifier whose output is connected to input of threshold unit. First logic AND gate is connected in series with first reversible pulse counter, digital-to-analog converter, controlled source of current and excitation winding of ferrosonde. Second input of first reversible pulse counter and first input of first logic AND gate are connected to output of threshold unit. Proposed unit is supplemented with second logic AND gate and second reversible pulse counter. Output of generator is connected to first inputs of second logic AND gate and second reversible pulse counter, output of second logic AND gate is linked to second inputs of first logic AND gate, second reversible pulse counter and key. Third input of second reversible pulse counter is connected to output of first reversible pulse counter and its output is linked to second input of second logic AND gate. 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SUBSTANCE: unit measuring intensity of magnetic field incorporates generator of rectangular pulses, ferrosonde with core made of permalloy with hysteresis loop with squareness ratio close to one to which output winding integrator is connected. Output of integrator is coupled to input of amplifier whose output is connected to input of threshold unit. First logic AND gate is connected in series with first reversible pulse counter, digital-to-analog converter, controlled source of current and excitation winding of ferrosonde. Second input of first reversible pulse counter and first input of first logic AND gate are connected to output of threshold unit. Proposed unit is supplemented with second logic AND gate and second reversible pulse counter. Output of generator is connected to first inputs of second logic AND gate and second reversible pulse counter, output of second logic AND gate is linked to second inputs of first logic AND gate, second reversible pulse counter and key. Third input of second reversible pulse counter is connected to output of first reversible pulse counter and its output is linked to second input of second logic AND gate. 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SUBSTANCE: unit measuring intensity of magnetic field incorporates generator of rectangular pulses, ferrosonde with core made of permalloy with hysteresis loop with squareness ratio close to one to which output winding integrator is connected. Output of integrator is coupled to input of amplifier whose output is connected to input of threshold unit. First logic AND gate is connected in series with first reversible pulse counter, digital-to-analog converter, controlled source of current and excitation winding of ferrosonde. Second input of first reversible pulse counter and first input of first logic AND gate are connected to output of threshold unit. Proposed unit is supplemented with second logic AND gate and second reversible pulse counter. Output of generator is connected to first inputs of second logic AND gate and second reversible pulse counter, output of second logic AND gate is linked to second inputs of first logic AND gate, second reversible pulse counter and key. Third input of second reversible pulse counter is connected to output of first reversible pulse counter and its output is linked to second input of second logic AND gate. EFFECT: increased speed of response thanks to preservation of relative pulse duration proportional to amplitude of pulses. 2 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | UNIT MEASURING INTENSITY OF MAGNETIC FIELD |
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