FIGURE 20 1 SUS construction and schematic symbol

FIGURE 20. 1 SUS construction and schematic symbol. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 2 SUS split construction and equivalent circuit. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 3 The response of an off (nonconducting) SUS to an increase in supply voltage. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 4 Anode current interruption. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 5 Forced commutation. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 6 The SUS operating curve. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 7 The effects of temperature on SUS forward operation. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 8 SCR construction and schematic symbol. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 9 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 10 The SCR operating curve. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 11 The 2 N 6400 specification sheet. (Copyright of Semiconductor Component Industries, LLC. Used by permission. ) Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 11 (continued) Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 12 Preventing false triggering. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 13 An RC snubber network. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 14 The SCR crowbar. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 15 The SCR phase controller. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 16 Modified phase-angle controller. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 17 An SCR test circuit. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 18 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 19 Diac construction and schematic symbols. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 20 The diac operating curve. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 21 Triac construction and schematic symbol. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 22 Triac split construction and currents. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 23 The triac operating curve. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 24 Triac triggering. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 25 Controlling triac triggering. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 26 A triac phase controller. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 27 Large-angle triac phase controller. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 28 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 29 UJT schematic symbol and biasing. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 30 UJT construction and equivalent circuit. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 31 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 32 UJT currents. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 33 The UJT operating curve. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 34 A UJT relaxation oscillator. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 35 A simple PUT relaxation oscillator. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 36 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 37 The light spectrum. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 38 Wavelength. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 39 Emitter-detector combination. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 40 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 41 permission. ) The MRD 500– 510 photodetector specification sheet. (Copyright of Semiconductor Component Industries, LLC. Used by Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 41 (continued) Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 42 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 43 Optocoupling. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 44 The photo-Darlington schematic symbol. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 45 The LASCR schematic symbol. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 46 permission. ) The 4 N 35– 7 optoisolator specification sheet. (Copyright of Semiconductor Component Industries, LLC. Used by Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 46 (continued) Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 47 The solid-state relay. Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 48 by permission. ) The H 21– 2 series optointerrupters specification sheet. (Copyright of Semiconductor Component Industries, LLC. Used Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 49 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.

FIGURE 20. 50 Robert Paynter Introductory Electronic Devices and Circuits Copyright © 2006 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.