
.. include:: /project-links.txt
.. include:: /abbreviation.txt


#################
 Resistor Bridge
#################

.. getthecode:: resistor-bridge.py
    :language: python3
    :hidden:

This example shows the computation of the DC biases in a resistor bridge.

.. code-block:: py3

    
    import PySpice.Logging.Logging as Logging
    logger = Logging.setup_logging()
    
    
    from PySpice.Spice.Netlist import Circuit
    from PySpice.Unit import *
    
    
.. image:: resistor-bridge.png
    :align: center


.. code-block:: py3

    
    circuit = Circuit('Resistor Bridge')
    
    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(4, 3, circuit.gnd, 2@u_kΩ)
    circuit.R(5, 3, 2, 2@u_kΩ)
    
    simulator = circuit.simulator(temperature=25, nominal_temperature=25)
    analysis = simulator.operating_point()
    
    for node in analysis.nodes.values():
        print('Node {}: {:4.1f} V'.format(str(node), float(node))) # Fixme: format value + unit


.. code-block:: none

    [1;32m2019-03-10 18:51:25,090[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  823.523 MB, limit =  507.367 MB
    
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    [1;32m2019-03-10 18:51:25,096[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  823.828 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,097[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  823.891 MB, limit =  507.367 MB
    
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    [1;32m2019-03-10 18:51:25,098[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  823.973 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,099[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  823.973 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,103[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  824.238 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,105[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  824.238 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,106[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  824.238 MB, limit =  507.367 MB
    
    [1;32m2019-03-10 18:51:25,113[0m - [1;34mPySpice.Spice.NgSpice.Shared.NgSpiceShared._send_char[0m - [1;31mERROR[0m - Warning - approaching max data size: current size =  824.441 MB, limit =  507.367 MB
    
    Node 3:  6.0 V
    Node 2:  4.0 V
    Node 1: 10.0 V