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Foundations of Wireless and Electronics, 10th Edition
book

Foundations of Wireless and Electronics, 10th Edition

by M. G. Scroggie, S. W. Amos
October 2013
Intermediate to advanced content levelIntermediate to advanced
570 pages
27h 46m
English
Newnes
Content preview from Foundations of Wireless and Electronics, 10th Edition
461
24.6 Operational Amplifiers
The shunt-injected feedback circuit (Fig. 19.22) was treated in Sec.
19.17 as a current amplifier. In practice a signal current source takes
the form of a voltage source in series with such a high impedance that
the current is determined almost entirely by it rather than by
whatever circuit it works into. If this high impedance takes the form
of a resistance that is a permanent part of the amplifier, the basis is
laid for an interesting and important class of feedback voltage
amplifiers.
Fig. 24.13 is essentially Fig. 19.22 plus this resistance, R
x
. If the
OUT
Fig. 24.13 The simplest form of operational amplifie ...
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Publisher Resources

ISBN: 9781483105574