complete unit example

Author: FabriceSalvaire

examples/basic-usages/unit.py

@@ -2,38 +2,44 @@
 
 ####################################################################################################
 
-import PySpice.Logging.Logging as Logging
+from PySpice.Logging import Logging
 logger = Logging.setup_logging()
 
 ####################################################################################################
 
-from PySpice import Circuit
+from PySpice import Circuit, Simulator
 
 ####################################################################################################
 
-from PySpice.Unit import *
+# pylint: disable=no-name-in-module
+from PySpice.Unit import (
+    kilo,
+    as_Ω, u_kOhm, U_Ω, u_kΩ,
+    u_Degree, u_Hz, u_mA, u_mH, u_ms, u_uF, u_V,
+)
+# pylint: enable=no-name-in-module
 
-foo = kilo(1) # unit less
+foo = kilo(1)   # unit less
 
 resistance_unit = U_Ω
 
 resistance1 = u_kΩ(1)
-resistance1 = u_kOhm(1) # ASCII variant
+resistance1 = u_kOhm(1)   # ASCII variant
 
 resistance1 = 1@u_kΩ   # using Python 3.5 syntax
 resistance1 = 1 @u_kΩ  # space doesn't matter
-resistance1 = 1 @ u_kΩ #
+resistance1 = 1 @ u_kΩ
 
-resistance2 = as_Ω(resistance1) # check unit
+resistance2 = as_Ω(resistance1)   # check unit
 
-resistances = u_kΩ(range(1, 11)) # same as [u_kΩ(x) for x in range(1, 11)]
+resistances = u_kΩ(range(1, 11))   # same as [u_kΩ(x) for x in range(1, 11)]
 resistances = range(1, 11)@u_kΩ  # using Python 3.5 syntax
 
 capacitance = u_uF(200)
 inductance = u_mH(1)
 temperature = u_Degree(25)
 
-voltage = resistance1 * u_mA(1) # compute unit
+voltage = resistance1 * u_mA(1)   # compute unit
 
 frequency = u_ms(20).frequency
 period = u_Hz(50).period
@@ -78,9 +84,24 @@
 
 circuit.V('input', 1, circuit.gnd, 10*u.V)
 circuit.R(1, 1, 2, 2*u.kΩ)
-circuit.R(2, 1, 3, 1*u.kΩ)
-circuit.R(3, 2, circuit.gnd, 1*u.kΩ)
+circuit.R(2, 1, 3, 1*u.MΩ)
+circuit.R(3, 2, circuit.gnd, 1*u.mΩ)
 circuit.R(4, 3, circuit.gnd, 2*u.kΩ)
 circuit.R(5, 3, 2, 2*u.kΩ)
 
 print(circuit)
+
+simulator = Simulator.factory()
+simulation = simulator.simulation(circuit, temperature=25, nominal_temperature=25)
+analysis = simulation.operating_point()
+
+for node in analysis.nodes.values():
+    # Fixme: format value + unit
+    # Fixme: DeprecationWarning: Conversion of an arraywith ndim > 0
+    #   to a scalar is deprecated, and will error in future. Ensure you
+    #   extract a single element from your array before performing this
+    #   operation. (Deprecated NumPy 1.25.)
+    # _ = float(node)
+    _ = float(node[0])
+    print(f'Node {node}: {_:4.1f} V')
+#o#