Transcription of Lecture Notes for Analog Electronics
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Lecture Notes for Analog Electronics
Lecture Notes for Analog Electronics Raymond E. Frey Physics Department University of Oregon Eugene, OR 97403, USA. December, 1999. Class Notes 1. 1 Basic Principles In electromagnetism, voltage is a unit of either electrical potential or EMF. In Electronics , including the text, the term voltage refers to the physical quantity of either potential or EMF. Note that we will use SI units, as does the text. As usual, the sign convention for current I = dq/dt is that I is positive in the direction which positive electrical charge moves. We will begin by considering DC ( constant in time) voltages and currents to introduce Ohm's Law and Kirchoff's Laws. We will soon see, however, that these generalize to AC.
a general way, a very broad range of analog electronics. RTH VTH R L Vout Circuit A Circuit B Figure 6: Two interacting circuits. 1.5.1 Avoiding Circuit Loading V TH is a voltage source. In the limit that R TH! 0 the output voltage delivered to the load RL remains at constant voltage. For nite R TH, the output voltage is reduced from V TH by an ...
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