Haken ECE 110 Handout 2 - ECE 110 Transparencies Set 2 for...

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L Haken ECE110 transparencies – set 2 page 1 ECE 110 Transparencies Set 2 for Noon Lecture Lippold Haken Bipolar Junction Transistor. ......................................................... 2 Binary Logic Gates . ..................................................................... 15 CMOS Logic. ................................................................................ 16 Digital Logic Circuits. .................................................................. 22 Boolean Algebra Identities. ......................................................... 28 Minterms and Sum of Products. ................................................. 31 Binary Numbers. .......................................................................... 40 Binary Addition. ........................................................................... 43 Seven Segment Display. ............................................................... 46 Hexadecimal . ................................................................................ 48 Digital Comparator. ..................................................................... 49 Multiplexer - Demultiplexer. ....................................................... 51 These transparencies include material by Prof. Tim Trick and Prof. Marie-Christine Brunet
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L Haken ECE110 transparencies – set 2 page 2 Bipolar Junction Transistor The BJT is a three-terminal device, so the IV graph will have a family of curves. In the active region, a BJT is an I b amplifier: I C = β * I B When solving transistor circuits, we will deal with three BJT parameters: β V BEON V CESAT
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L Haken ECE110 transparencies – set 2 page 3 Bipolar Junction Transistor – Reference Page Transistor Parameters: β (100 in iv-characteristic above) V BEON (0.7 is typical, like V ON for diodes) V CESAT (0.2 is typical as in graph above) Transistor off if V BE < V BEON V BE = depends on circuit I B = 0 I C = 0 V CE = depends on circuit If transistor is not off, assume it is active V BE = V BEON I B = depends on circuit
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Haken ECE 110 Handout 2 - ECE 110 Transparencies Set 2 for...

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