1 EE3+MP5: Analog elektronik Forelæser: Stig Munk-Nielsen Lokale: Fib. 16/1.108 Litteratur: Microelectronic CIRCUITS, 6’th edition, Sedra/Smith, Oxford University Press, ISBN or secondary (Microelectronic CIRCUITS, 5’th edition, Sedra/Smith, Oxford University Press, ISBN )

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4 The ideal diode a) diode circuit symbol; b) i–v characteristic

5 The ideal diode c) equivalent circuit in the reverse direction d) equivalent circuit in the forward direction

6 The two modes of operation of ideal diodes a) An external circuit limit the forward current b) the reverse voltage

7 Is this circuit linear ? Circuit A Circuit B

8 Circuit A Circuit B

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11 Figure 3.4 Circuit and waveforms for Example 3.1.

12 (a) OR gate; (b) AND gate (in a positive-logic system).

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16 Figure 3.7 The i– v characteristic of a silicon junction diode.

17 Figure 3.8 The diode i– v relationship with some scales expanded and others compressed in order to reveal details.

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19 Negative temperature coefficient – a problem ?

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