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ADS Tutorial # 6 Customize MOSFET Model and Simulation

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ADS Tutorial # 6 Customize MOSFET Model and Simulation 1. Circuit Construction a. From Component Pallet In component pallet, find “Device-MOS” and choose “Bsim3”, as shown in Figure 1. According to the application, different MOSFET model may be taken. Figure 1 b. Detailed parameters in “Bsim3” model are shown in Figure 2. If there is no value of any parameter, it means the default value is taken. The default value for each parameter can be found in http://www-device.eecs.berkeley.edu/~bsim3/ website. 1 Figure 2 c. Above Bsim3 model, there is a MOSFET model, “NMOS”. Place it on schematic. Make sure the model name use in NMOS symbol is. | ADS Tutorial 6 Customize MOSFET Model and Simulation 1. Circuit Construction a. From Component Pallet In component pallet find Device-MOS and choose Bsim3 as shown in Figure 1. According to the application different MOSFET model may be taken. Figure 1 b. Detailed parameters in Bsim3 model are shown in Figure 2. If there is no value of any parameter it means the default value is taken. The default value for each parameter can be found in http www-device.eecs.berkeley.edu bsim3 website. 1 m-a Mult. . . . Rẹgiọn . . Temp Trise- Mode nonlinear 3 Mods MOSFETM1 . NMOS yes . Lwri . Pb . Gamma2 PMOS no Lwt Pbsw xt Version 3.24 Wirit Cjswg Vbrri Mobmod Wl Mjswg Vb t Capmod Wirt Pbswg Xj Noimod Wyt . Cgso . uo . Rsh . . Wwri . Cgdo . VthO. . Nj Wwt Cgbo K1 xtt Tnom Xpart K2 Js Triset Dwg K3 Jswt Tox Dwb K3b Lint Cj Nch WO- Lt . . . Mj . . Nsu.b . Nlx . . Llrt Ci SV Ngate Dvto Mjsw Gamma1 Dvt1 Dvt2 . Ags . Dsub . .Ktu . DvlUV . - A1 Drout Kt2 Dvt1w A2 Pclm Prt DvtzV .- Bit Pdiblc1 Cgst Ua B1 Pdiblc2 Cgdl Ub . AlphaO Pdiblcb Ckappa Uc . . BetaO . PscbelF .Ct. . Delta Voft Psi tie2 Clc Rdsw Nfactor Pvag Clé Prwg Cdsc ute Diet Pra b Cdscb At Dwc Wr . Cdscd Ua1 VfbcvF. Vsat . c.it . . Ụb1 . Toxm . Áo EtaO Úc1 Vfb keta Etab kti Noft Vnffcv . Ijth Áíphál Acde Moin Tpb . Tpbsyt. Tpbswg Tc j TcjsV - Tcjswg -Ll Lwc . . Lwlr- Wlc yw . . Wwlc Elrri Nlev Gdsnoi 1 Kt. . . At. . . Et Errs Noia Noib Noic Ịmẹlt. . AIIParams B3qmod Figure 2 c. Above Bsim3 model there is a MOSFET model NMOS . Place it on schematic. Make sure the model name use in NMOS symbol is matched that in Bsim 1 model as shown in Figure 3. Figure 3 2 2. Do DC simulation on a single MOSFET transistor Figure 4 a. Sweep Vds and measure Id I-Probe 1. b. Parameter sweep Vgs. Figure 4 c. Id-Vds with parameter sweeping Vgs Figure 5 . Vds Figure 5