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Nilalaman
Pagkilala IX
Kabanata 1 Panimula 1
1.1 pagganyak ................................................ .................... 1
1.2 Makasaysayang pananaw ............................................... .... 2
1.3 Linearization at Memory Effect ............................... 3
1.4 Main Nilalaman ng Book ......................................... 4 ..
1.5 Balangkas ng Book ............................................. ....... 6 ..
Mga sanggunian ................................................. .................................. 8
Kabanata 2 ilan Circuit Teorya at Terminolohiya 9
2.1 Classification ng Electrical Systems ........................... 10
2.1.1 Linear Systems at Memory ............................ 10
2.1.2 Nonlinear System ........................................... 13
2.1.3 Karaniwang Panukala ng Nonlinearity .................. 15
2.2 Kinakalkula Spectrums sa Nonlinear System ............. 18
2.3 Memoryless Spectral Regrowth .................................. 21
2.4 Signal Bandwidth Dependent Nonlinear Effects ......... 25
2.5 Pagsusuri ng Nonlinear System ................................... 27
2.5.1 Volterra Serye Pagsusuri ................................... 28
2.5.2 Direct Pagkalkula ng Nonlinear Tugon ...... 30
2.5.3 Dalawang Volterra Pagmomodelo approach ................ 34
2.6 Buod ................................................ .................... 39
2.7 Key Points upang Tandaan ............................................ 41
Mga sanggunian ................................................. ................................ 41
Kabanata 3 Memory Effects sa RF Amplifier Power 43
3.1 kahusayan ................................................ ................... 43
3.2 Linearization ................................................ .............. 45
3.2.1 Linearization at kahusayan ............................ 45
3.2.2 Linearization Diskarte ................................. 46
3.2.3 Linearization at Memory Effect ................... 48
3.3 Electrical Memory Effect .......................................... 51
3.4 Electrothermal Memory Effect .................................. 56
3.5 malawak Domain Effects ......................................... 59
3.5.1 Fifth-Order ng Pagsusuri Nang walang Effects Memory 60
3.5.2 Fifth-Order ng Pagsusuri may Effects Memory ...... 62
3.6 Buod ................................................ .................... 66
3.7 Key Points upang Tandaan ............................................ 67
Mga sanggunian ................................................. ................................ 68
Kabanata 4 Ang Volterra Modelo 71
4.1 Nonlinear Pagmomodelo ............................................... .... 71
4.1.1 Nonlinear Simulation Models ........................... 72
4.1.2 Ang Mga Katangian ng Mga Modelong Volterra ............. 75
4.2 Nonlinear IV at QV katangian ...................... 77
4.2.1 IC-VBE-VCE katangian ................................ 78
4.2.2 gpi at rbb .............................................. .......... 82
4.2.3 kapasidad Modelong ......................................... 82
4.3 Modelo ng isang Common Emitter-BJT / HBT Amplifier ..... 84
4.3.1 De-Pagsusuri ............................................... . 84
4.3.2 Nonlinear Pagsusuri ........................................... 87
4.4 IM3 sa isang Amplifier BJT CE ........................................ 95
4.4.1 BJT bilang isang Cascade ng Dalawang Nonlinear Blocks ..... 95
4.4.2 Detalyadong Pagsusuri ng BJT .................................... 102
4.5 MESFET Modelo at Pagsusuri .................................. 109
4.6 Buod ................................................ .................. 115
4.7 Key Points upang Tandaan .......................................... 117
Mga sanggunian ................................................. .............................. 118
Mga Nilalaman vii
Kabanata 5 paglalarawan ng Volterra Modelong 123
5.1 umaangkop polinomyal Modelong ....................................... 124
5.1.1 Eksaktong at LMSE umaangkop ................................. 124
5.1.2 Effects ng umaangkop Saklaw ................................. 126
5.2 Self-Pagpapainit Effects ............................................. .... 127
5.2.1 Pulsed sukat ..................................... 129
5.2.2 Thermal Operating Point ................................ 131
5.3 DC IV paglalarawan .......................................... 133
5.3.1 Pulsed DC Pagsukat Setup ...................... 133
5.3.2 umaangkop IV sukat .............................. 134
5.4 AC paglalarawan Daloy ........................................ 136
5.5 Pulsed S-Parameter sukat ........................... 137
5.5.1 Test Setup ............................................... ....... 137
5.5.2 pagkakalibrate ................................................ ..... 139
5.6 De-embed ng mga Effects ng Package ................ 140
5.6.1 Buong 4-Port De-embed .............................. 141
5.6.2 De-embed Plain wire Bonding .............. 143
5.7 Pagkalkula ng Maliit na-Signal Parameters ................... 145
5.8 umaangkop ang mga sukat AC ................................... 147
5.8.1 umaangkop ng Nonlinear Capacitances .................. 147
5.8.2 umaangkop ng alisan ng tubig Kasalukuyang Nonlinearities .......... 149
5.9 Nonlinear Modelo ng isang 1-W BJT ................................ 152
5.10 Nonlinear Modelo ng isang 1-W MESFET ........................ 155
5.11 Nonlinear Modelo ng isang 30-W LDMOS ....................... 160
5.12 Buod ................................................ .................. 165
5.13 Key Points upang Tandaan .......................................... 166
Mga sanggunian ................................................. .............................. 167
Kabanata 6 Simulating at Pagsukat Effects Memory 171
6.1 Simulating Effects Memory ...................................... 172
6.1.1 normalisasyon ng IM3 Mga Bahagi ................ 172
6.1.2 Simulation ng Normalized na Mga Bahagi IM3 .. 175
6.2 Pagsusukat ang Effects Memory ................................ 180
6.2.1 Test Setup at pagkakalibrate ............................. 181
6.2.2 Pagsukat katumpakan .................................. 184
6.2.3 Memory Effects sa isang BJT PA ......................... 185
6.2.4 Memory Effects sa isang MESFET PA ............... 187
6.3 Memory Effect at Linearization ........................... 187
6.4 Buod ................................................ .................. 190
6.5 Key Points upang Tandaan .......................................... 191
Mga sanggunian ................................................. .............................. 192
Kabanata 7 Pagkansela ng Memory Effect 193
7.1 Sobre Filtering ............................................... ..... 194
7.2 Impedance Optimization .......................................... 198
7.2.1 Aktibong Load Prinsipyo .................................... 199
7.2.2 Test Setup at pagkakalibrate nito ........................ 202
7.2.3 mga pinakamabuting kalagayan ZBB sa Dalas ng Sobre
Nang walang Predistortion .................................. 203
7.2.4 mga pinakamabuting kalagayan ZBB sa Dalas ng Sobre
may Predistortion ........................................ 204
7.3 Sobre Injection ............................................... .... 207
7.3.1 Pagkansela ng mga Effects Memory sa isang
CE BJT Amplifier ........................................ 209
7.3.2 Pagkansela ng mga Effects Memory sa isang
CS MESFET Amplifier ............................... 211
7.4 Buod ................................................ .................. 217
7.5 Key Points upang Tandaan .......................................... 219
Mga sanggunian ................................................. .............................. 220
Appendix A: Mga Pangunahing Kaalaman ng Volterra Pagsusuri 221
Reference ................................................. ............................... 225
Appendix B: Truncation Error 227
Appendix C: IM3 equation para sa Cascaded Second-Degree
Nonlinearities 231
Appendix D: Tungkol sa Pagsukat 245 mga setup
Reference ................................................. ............................... 247
Glossary 249
Tungkol sa May-akda 253
Index 255
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