A variable resistance potentiometric transducer having a resistance of 12 k2 is connected to a de...
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A variable resistance potentiometric transducer having a resistance of 12 k2 is connected to a de voltage source of 60 V. The voltage output of the transducer is measured by means of a voltme- ter of internal impedance of 120 k2. Determine impedance loading error at 25% position on the transducer and the actual voltage reading observed at this position. The power amplifier shown in Fig. 2.7 has an internal resistance of 6 kQ2. It is connected in series with an electrodynamic vibrator with an impedance of 25 k2. Determine the percent loading error in the amplifier voltage output. If the internal voltage generated by the amplifier is 100 V. Calculate the power output at the given loading conditions. What should be the maximum power output? Further, what power output would result if the external load (electrodynamic vibrator) has a resistance of 1000 £2? A transducer has a source impedance that varies from 5 to 2 k2 during its operation and is used with different display instruments. Will the impedance loading be a serious problem, when trans- ducer is used with: (a) an oscilloscope having an input impedance of 1.0 MS2, and (b) an optical oscillograph having an input impedance of 100 $2? A variable resistance potentiometric transducer having a resistance of 12 k2 is connected to a de voltage source of 60 V. The voltage output of the transducer is measured by means of a voltme- ter of internal impedance of 120 k2. Determine impedance loading error at 25% position on the transducer and the actual voltage reading observed at this position. The power amplifier shown in Fig. 2.7 has an internal resistance of 6 kQ2. It is connected in series with an electrodynamic vibrator with an impedance of 25 k2. Determine the percent loading error in the amplifier voltage output. If the internal voltage generated by the amplifier is 100 V. Calculate the power output at the given loading conditions. What should be the maximum power output? Further, what power output would result if the external load (electrodynamic vibrator) has a resistance of 1000 £2? A transducer has a source impedance that varies from 5 to 2 k2 during its operation and is used with different display instruments. Will the impedance loading be a serious problem, when trans- ducer is used with: (a) an oscilloscope having an input impedance of 1.0 MS2, and (b) an optical oscillograph having an input impedance of 100 $2?
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Related Book For
Analysis and Design of Analog Integrated Circuits
ISBN: 978-0470245996
5th edition
Authors: Paul R. Gray, ? Paul J. Hurst Stephen H. Lewis, ? Robert G. Meyer
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