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FabriceSalvaireFabriceSalvaire
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add issue files
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‎issues/issue-157-2.py‎

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import numpy as np
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import matplotlib.pyplot as plt
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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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from PySpice.Probe.Plot import plot
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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# Parameters
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frequency = 1e3
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period = 1 / frequency
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omega = 2 * np.pi * frequency
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I_P1 = 100
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L_P1 = 1e-6
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L_S1 = 10e-6
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K_P1S1 = 0.1
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circuit = Circuit("2CoupledInductors")
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#Primary Side
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circuit.I("I2", circuit.gnd, "N1", "AC " + str(I_P1) + "")
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circuit.L("L_P1", circuit.gnd, "N1", str(L_P1))
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# Secondary Side
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circuit.L("L_S1", circuit.gnd, "N2", str(L_S1) )
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circuit.K("K_P1S1", "LL_P1", "LL_S1", K_P1S1) # NB, it adds an L to the name of the inductor ...
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# Do the simulation
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simulator = circuit.simulator(temperature=25, nominal_temperature=25)
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analysis = simulator.ac(variation="lin", number_of_points=1, start_frequency=frequency, stop_frequency=frequency)
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# Print the results
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print("--- Results ---")
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for node in analysis.nodes.values():
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print('Node {}: {:5.2f} V'.format(str(node), float(abs(node))))

‎issues/issue-157.py‎

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import numpy as np
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import matplotlib.pyplot as plt
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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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from PySpice.Probe.Plot import plot
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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# Parameters
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frequency = 1e3
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period = 1 / frequency
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omega = 2 * np.pi * frequency
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I_P1 = 100
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L_P1 = 1e-6
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L_S1 = 10e-6
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K_P1S1 = 0.1
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circuit = Circuit("2CoupledInductors")
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#Primary Side
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circuit.I("I2", circuit.gnd, "N1", "AC " + str(I_P1) + "")
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circuit.L("L_P1", circuit.gnd, "N1", str(L_P1))
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# Secondary Side
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circuit.L("L_S1", circuit.gnd, "N2", str(L_S1) )
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circuit.K("K_P1S1", "L_P1", "L_S1", K_P1S1)
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# Do the simulation
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simulator = circuit.simulator(temperature=25, nominal_temperature=25)
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analysis = simulator.ac(variation="lin", number_of_points=1, start_frequency=frequency, stop_frequency=frequency)
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# Print the results
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print("--- Results ---")
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for node in analysis.nodes.values():
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print('Node {}: {:5.2f} V'.format(str(node), float(abs(node))))

‎issues/issue-164.py‎

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####################################################################################################
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import matplotlib.pyplot as plt
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####################################################################################################
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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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####################################################################################################
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from PySpice.Doc.ExampleTools import find_libraries
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from PySpice.Probe.Plot import plot
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from PySpice.Spice.Library import SpiceLibrary
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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####################################################################################################
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from PySpice.Spice.NgSpice.Shared import NgSpiceShared
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####################################################################################################
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libraries_path = find_libraries()
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spice_library = SpiceLibrary(libraries_path)
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####################################################################################################
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circuit = Circuit('Basic Switch')
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circuit.PulseVoltageSource('pulse', 'sw_drive', circuit.gnd, 0@u_V, 10@u_V, 1@u_ms, 2@u_ms,)
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circuit.V('input', 'input', circuit.gnd, 20@u_V)
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circuit.R('load', circuit.gnd, 'sw_node', 5@u_Ohm)
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circuit.VoltageControlledSwitch('input', 'sw_node', 'sw_drive', circuit.gnd, 'sw1', model=None)
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simulator = circuit.simulator(temperature=25, nominal_temperature=25)
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analysis = simulator.transient(step_time=0.1E-6, end_time=50E-3)
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NUMBER_PLOTS = '2'
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#plots of circuit components
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figure = plt.figure(1, (10, 5))
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plot1 = plt.subplot(int(NUMBER_PLOTS+'11'))
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plot(analysis.sw_drive, color='r')
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plt.grid()
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plt.xlabel('t [s]')
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plt.ylabel('[V]')
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plt.legend(('Switch Drive',''), loc=(.05,.1))
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plot2 = plt.subplot(int(NUMBER_PLOTS+'12'))
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plot(analysis.sw_node, color='r')
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plot((analysis.sw_node)/circuit['Rload'].resistance,color='b')
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plt.grid()
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plt.xlabel('t [s]')
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plt.ylabel('[V]')
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plt.legend(('Switch Output','Load Current'), loc=(.05,.1))
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plt.tight_layout()
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plt.show()

‎issues/issue-167.lib‎

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.subckt test_netlist gate_drive1 sw_node_hs1 gate_drive2 sw_node_hs2
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* Test circuit 1
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V1 N200 0 100
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R1 N200 sw_node_hs1 1
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S1 sw_node_hs1 0 gate_drive1 0 myswitch
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V2 N102 0 PULSE(0 10 0 1n 1n 50u 100u 200)
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B2 gate_drive1 0 V=V(N102)
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*output load
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R23 0 sw_node_hs1 1
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* Test circuit 2
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V3 N201 0 100
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R3 N201 sw_node_hs2 1
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S5 sw_node_hs2 0 gate_drive2 0 myswitch
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V4 N101 0 PULSE(0 10 0 50u 50u 1n 100u 200)
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B1 gate_drive2 0 V=V(N101)
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*output load
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R26 0 sw_node_hs2 1
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.model myswitch SW(Ron=0.002 Roff=1000000 Vt=3.0)
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.ends test_netlist

‎issues/issue-167.py‎

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####################################################################################################
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import matplotlib.pyplot as plt
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####################################################################################################
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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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####################################################################################################
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from PySpice.Doc.ExampleTools import find_libraries
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from PySpice.Probe.Plot import plot
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from PySpice.Spice.Library import SpiceLibrary
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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####################################################################################################
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from PySpice.Spice.NgSpice.Shared import NgSpiceShared
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####################################################################################################
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from pathlib import Path
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# libraries_path = find_libraries()
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spice_library = SpiceLibrary(Path(__file__).parent) # libraries_path
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####################################################################################################
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circuit = Circuit('Stator Drive')
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circuit.include(spice_library['issue-167'])
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circuit.X(1, 'test_netlist', 'gate_drive1', 'sw_node_hs1', 'gate_drive2', 'sw_node_hs2')
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print(circuit)
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# simulator = circuit.simulator(temperature=25, nominal_temperature=25)
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# analysis = simulator.transient(step_time=.005E-6, start_time=1E-3, end_time=3.5E-3, use_initial_condition=False)
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# NUMBER_PLOTS = '4'
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# #plots of circuit components
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# figure = plt.figure(1, (10, 5))
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# plot1 = plt.subplot(int(NUMBER_PLOTS+'11'))
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# plot(analysis.gate_drive1)
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# plt.legend(('gate drive 1 [V]', '',''), loc=(.8,.8))
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# plt.grid()
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# plt.xlabel('t [s]')
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# plt.ylabel('[V]')
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# plot2 = plt.subplot(int(NUMBER_PLOTS+'12'))
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# plot(analysis.sw_node_hs1)
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# plt.legend(('Switch Node 1',''), loc=(.05,.1))
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# plt.grid()
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# plt.xlabel('t [s]')
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# plt.ylabel('[V]')
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# plot3 = plt.subplot(int(NUMBER_PLOTS+'13'))
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# plot(analysis.gate_drive2)
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# plt.grid()
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# plt.xlabel('t [s]')
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# plt.ylabel('[V]')
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# plt.legend(('gate drive 2',''), loc=(.05,.1))
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# plot4 = plt.subplot(int(NUMBER_PLOTS+'14'))
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# plot(analysis.sw_node_hs2)
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# plt.grid()
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# plt.xlabel('t [s]')
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# plt.ylabel('[V]')
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# plt.legend(('sw node 2',''), loc=(.05,.1))
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# plt.tight_layout()
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plt.show()

‎issues/issue-169.py‎

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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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from PySpice.Spice.BasicElement import BehavioralSource
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circuit = Circuit('test')
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circuit.LosslessTransmissionLine('line', 'output', circuit.gnd, 'input', circuit.gnd, Z0=50, TD=40e-9)
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print(circuit)

‎issues/issue-172.cir‎

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.title Pulse
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Bsource in 0 v=time^4*exp(-1000*time)
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R1 in out 9kOhm
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R2 out 0 1kOhm

‎issues/issue-172.py‎

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# from pylab import *
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import matplotlib.pyplot as plt
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import PySpice.Logging.Logging as Logging
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logger = Logging.setup_logging()
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from PySpice.Spice.Netlist import Circuit
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from PySpice.Unit import *
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from PySpice.Spice.BasicElement import BehavioralSource
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circuit = Circuit("Pulse")
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source = circuit.BehavioralSource('source', 'in', circuit.gnd, voltage_expression = "time^4*exp(-1000*time)")
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circuit.R(1, 'in', 'out', u_kOhm(9))
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circuit.R(2, 'out', circuit.gnd, u_kOhm(1))
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print(circuit)
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simulator = circuit.simulator(simulator="ngspice-shared")
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# the commented out version next line works
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#simulator = circuit.simulator(simulator="ngspice-subprocess")
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transient = simulator.transient(step_time=u_ms(1e-3), end_time=u_ms(20))
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# clf()
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plt.grid(True)
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plt.plot(transient['out'].abscissa, transient['out'])
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plt.show()

‎issues/two-stage-amp.cir‎

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*Sheet Name:/OPA_SR
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V1 vp GND dc 1.65 ac 0.5
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V2 vn GND dc 1.65 ac -0.5
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C2 Vout GND 4p
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C1 /3 Vout 6.9p
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M7 Vout /6 VDD VDD p_33 W=25.9u L=0.9u
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M6 Vout /3 GND GND n_33 W=92.04u L=1.4u
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M2 /3 vp /1 VDD p_33 W=51.78u L=0.9u
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M1 /2 vn /1 VDD p_33 W=51.78u L=0.9u
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M4 /3 /2 GND GND n_33 W=46.02u L=1.4u
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M3 /2 /2 GND GND n_33 W=46.02u L=1.4u
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M5 /1 /6 VDD VDD p_33 W=12.95u L=0.9u
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V0 VDD GND 3.3
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M8 /6 /6 VDD VDD p_33 W=1.3u L=0.9u
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I1 /6 GND 10u
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.lib CMOS_035_Spice_Model.lib tt
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.end

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