Page 28 - Demo PravySoft Ezine

NET ELECTRONICS MODULE I

Figure 1. 57: Circuit for the Drain characteristics with external bias
...................................................................................................... 216
Figure 1. 58: Drain characteristics with external bias ................... 217

Figure 1. 59: Transfer Characteristics of a JFET ............................ 222
Figure 1. 60: N channel MOSFET structure: Enhancement mode(left)
depletion mode (right) .................................................................. 230

Figure 1. 61: MOSFET circuit symbols: enhancement, depletion, n-
channel, p-channel ........................................................................ 232
Figure 1. 62: Simplified small signal model of MOSFET ................ 234

Figure 1.63: N-channel enhancement type MOSFET (a) Transfer
characteristics (b) Output characteristics ..................................... 237
Figure 1. 64: P-channel Enhancement type MOSFET (a) transfer
characteristics (b) output characteristics ..................................... 239
PravySoft Ezine demo
PravySoft Ezine demo
Figure 1. 65: N-channel Depletion type MOSFET (a) Trasfer
characteristics (b) Output characteritics ...................................... 242
Figure 1. 66: P-channel depletion mode MOSFET (a) Transfer

characteristics (b) Output characteristics ..................................... 244
Figure 1. 67: Single quantum well ................................................ 253
Figure 1. 68: Expanded view of a single quantum wire ................ 257

Figure 1. 69: Illustration of a quantum dot ................................... 259
Figure 1. 70: Schematic Cross Section of an HEMT ....................... 261
Figure 1. 71: Cross-Sectional Diagrams Comparing Structures of an
AlGaAs or GaAs HEMT and a GaAs ............................................... 264