Abstract
Many commercial oscillators have an output resistance of a few hundred ohms. If distortion of the signal V i applied to the input of the circuit shown in figure 17.2 is to be avoided when R is small, the reactance 1/ωC must be much larger than this output resistance. In fact, unless ωC is small enough, the output resistance of the oscillator in conjunction with the capacitance C tends to integrate in front of the C—R circuit being investigated. Hence C and ω should not be increased above the values suggested to get τ ≫ T. As instructed, this must be achieved by making R large.
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© 1985 R. L. Havill and A. K. Walton
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Havill, R.L., Walton, A.K. (1985). Solutions to and Comments on the Laboratory Exercises. In: Elements of Electronics. A Macmillan Physics Text. Palgrave, London. https://doi.org/10.1007/978-1-349-18009-7_18
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DOI: https://doi.org/10.1007/978-1-349-18009-7_18
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-35917-4
Online ISBN: 978-1-349-18009-7
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