Page 26 - Demo PravySoft Ezine

NET ELECTRONICS MODULE I

Figure 1. 18: Zener diode IV characteristics: Forward bias ............. 96
Figure 1. 19: Zener diode characteristics ........................................ 98
Figure 1. 20: Zener diode IV characteristics: Reverse bias .............. 99

Figure 1. 21: Zener diode as a voltage regulator .......................... 103
Figure 1. 22: Circuit symbol of a Tunnel diode .............................. 109
Figure 1. 23: Tunnel diode IV characteristics ................................ 112

Figure 1. 24: Small signal model of a tunnel diode ....................... 114
Figure 1. 25: Light emitting diode ................................................. 122
Figure 1. 26: Symbol of a constant current diode ......................... 124

Figure 1. 27: Schottky diode symbol and construction ................. 125
Figure 1. 28: Shockley diode symbols ........................................... 127
Figure 1. 29: I-V characteristics of a Shockley diode ..................... 129
Figure 1. 30: Circuit symbol of a Step recovery diode ................... 132
PravySoft Ezine demo
PravySoft Ezine demo
Figure 1. 31: Varactor diode analogous to parallel plate capacitance
...................................................................................................... 133
Figure 1. 32: Reverse voltage Capacitance relation of Varactor diode

...................................................................................................... 134
Figure 1. 33: Electrical circuit equivalent of a varactor diode ....... 137
Figure 1. 34: Circuit symbol of a varactor diode ........................... 138

Figure 1. 35: Circuit symbol of a laser diode ................................. 142
Figure 1. 36: Basic construction of a laser diode .......................... 143
Figure 1. 37: Typical experimental setup and Current characteristics
of a laser diode ............................................................................. 147

Figure 1. 38: TVS diode circuit symbol .......................................... 153