Design assisting system and design assisting method

A design assisting system comprising:

• means for converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• means for entering a an assumed position where a cable is connected;
• means for specifying a frequency and calculating an electric field intensity distribution near the ground plane using said model;
• and
• means for determining whether a position where an electric field is strong and said assumed position are in agreement with each other or not, and outputting a determined result.

A design assisting system comprising:

• means for converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• means for specifying a frequency and calculating an electric field intensity distribution near the ground plane using said model;
• and
• means for finding a position whether an electric field is weak as a position suitable for cable connection, and outputting the position.

A design assisting method comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• specifying a frequency;
• calculating a magnetic field intensity distribution near the ground plane using said model at the specified frequency;
• superposing the calculated magnetic field intensity distribution and a position of said interconnection thereby to determine whether a position where a magnetic filed or a current is strong and the position of said interconnection are close to each other or not;
• and
• outputting a determined result.

A design assisting method comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• specifying a frequency;
• calculating a magnetic field intensity distribution near the ground plane using said model at the specified frequency;
• and
• superposing the calculated magnetic field intensity distribution and a position of said interconnection, and determining whether a position where a magnetic field is strong and the position of said interconnection are close to each other or not;
• and
• if the position where a magnetic field is strong and the position of said interconnection are close to each other, changing a layout of said circuit board, and effecting again said step of calculating and said step of superposing and determining.

A design assisting method comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• entering an assumed position where a cable is connected;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• determining whether a position where an electric field is strong and said assumed position are in agreement with each other or not;
• and
• outputting a determined result.

A design assisting method comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• entering an assumed position where a cable is connected;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• determining whether a position where an electric field is strong and said assumed position are in agreement with each other or not;
• if the position where an electric field is strong and said assumed position are in agreement with each other, changing a layout of said circuit board, and effecting again said step of calculating and said step of determining;
• and
• outputting a determined result.

A design assisting method comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• and
• finding a position whether an electric field is weak as a position suitable for cable connection based on said electric field intensity distribution.

A recording medium readable by a computer and storing a program which enables said computer to perform a process comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• superposing the calculated magnetic field intensity distribution and the position of said interconnection thereby to determine whether a position where a magnetic filed or a current is strong and the position of said interconnection are close to each other or not;
• and
• outputting a determined result.

A recording medium readable by a computer and storing a program which enables said computer to perform a process comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• entering an assumed position where a cable is connected;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• determining whether a position where an electric field is strong and said assumed position are in agreement with each other or not;
• and
• outputting a determined result.

A recording medium readable by a computer and storing a program which enables said computer to perform a process comprising the steps of:

• converting at least a set of an electronic device, an interconnection, and a ground plane from layout information of a circuit board into a model for analyzing an electromagnetic field;
• specifying a frequency;
• calculating an electric field intensity distribution near the ground plane using said model at the specified frequency;
• and
• finding a position whether an electric field is weak as a position suitable for cable connection based on said electric field intensity distribution.