Multimeter complex electrical circuits - uses block of calibrated elements and operational amplifiers (HU280976)
The device measures the parameters of complex electrical circuits. It comprises a block of calibrated elements (6) whose input is connected to the output of two operational amplifiers (1, 4). The non-inverting input of one of these amplifiers is connected to an earthed conductor while the inverting...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The device measures the parameters of complex electrical circuits. It comprises a block of calibrated elements (6) whose input is connected to the output of two operational amplifiers (1, 4). The non-inverting input of one of these amplifiers is connected to an earthed conductor while the inverting input is attached to one of the terminals of the test circuit. The second terminal of this circuit is connected to the output of the other operational amplifier. A switch inter-changes the amplifiers. The two arrangements are suited to measuring the characteristics of dipole circuits with R, L and C elements in series or in parallel respectively. |
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