*** Z Axis = SmartSpice_AudioPowerAmp_vbias *** Trace Name = SmartSpice_AudioPowerAmp_2 *** - Click "Cross Section Marker" and set 1kHz *** - Open "SmartSpice_AudioPowerAmp_Fig5.raw" in SmartView *** - Click "Start Waveform Viewer" button *** Figure 5: Output Impedance versus Input Offset Voltage *** Figure 3: Output Impedance versus Frequency INCLUDE 'SmartSpice_AudioPowerAmp_netlist.txt' Detailed instructions for generating the Cross Section Marker plot are outlined in the Figure 5 input deck. Generates the OUTPUT IMPEDANCE versus INPUT OFFSET (Vbias) Clicking the "Calculate" button in the Cross Section Marker pop-up window Result demonstrates this SmartSpice feature.īy using SmartView to open the RAW file produced by Figure 5 input deck's simulation, a Cross Section Marker The flattened OUTPUT IMPEDANCE versus FREQUENCY The single, flattened vector becomes much easier to manipulate and work with in the SmartView application. CONTROL block, these multiple variations in offset voltage are flattened into a single vector for each Vbias step. By enabling FLATTENED_SWEEP and PARAMETRIC_DATA_IN_RAW from the. LET calculation) at many input offset voltages (Vbias).Īs noted in Puhan et al., when the number of data points specified in the SWEEP becomes large, visual analysis can become manually cumbersome. The input deck for Figure 5is used to characterize and measure Output Impedance versus Frequency (.AC analysis with. LET calculation for Figure 3) at a few, pre-selected input offset voltages (Vbias). The input deck for Figure 2 and 3, a common netlist, and the model files are used to characterize crossover compensation (.DC analysis for Figure 2) and measure Output Impedance versus Frequency (.AC analysis with. Enabling FLATTENED_SWEEP for Cross Section Marker calculations in SmartView.PARAM values as the parameter is varied with SWEEP. Using PARAMETRIC_DATA_IN_RAW to store.
Automatically generating a RAW file to store the simulation results (.OPTIONS POST).Important SmartSpice and SmartView features demonstrated in this example include the following: using built-in SmartSpice and SmartView features. The example illustrates the techniques used to generate Figures 2, 3, and 5 of Puhan et al.
#Macspice examples windows#
Fajfar, SPICE for Windows 95/98/NT, Electrotechnical Review, Ljubljana Slovenia, vol. This example demonstrates crossover compensation and output impedance characterization of an Audio Power AmplifierĬircuit (reference "J. Minimum Versions: SmartSpice 4.18.16.R and SmartView 2.32.5.R Examples / SmartSpice Examples | Analysis 010_flattened_sweep_cross_section : Flattened Sweep & Cross Section Markers
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