Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

CST Manual for Antenna Engineering

• Tae Hyun-Sung• hyunsung20@kaist.ac.kr• RFSS Laboratory, KAIST

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Introduction of CST

□ What is CST ?

CST ⇒ Computer Simulation Technology

□ Application

Microwave/RF component

Coverable an extremely wide range of electromagnetic components.

EMI/EMC

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Project creation & configuration (1/2)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Project creation & configuration (2/2)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Initial setting of CST (Specify Units)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Initial setting of CST (Background Properties)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Initial setting of CST (Frequency Range)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Initial setting of CST (Boundaries)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Creating)

Component tree- Use to select a created component.

Structure place definition※ Using parameters is an easy and efficient way to design structures

Structure material definition

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Creating)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Transform)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Transform)

Input translation vector.

If you want copy this structure, click here.

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components(Lumped element)

Input port location (Usable parameters ).

Lumped elementInsert resistance, inductance and capacitance.

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Port)

Port

Discrete port

Input port location (Usable parameters ).

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Design of components (Port)

Feeding line

Ground

Waveguide port

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Solve (Field monitors)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Solve (Field monitors)

Select E/H-field or far-field and insert the target frequency

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Solve (Transient solver)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Solve (Frequency domain solver)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (S-parameter)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Port mode, only waveguide port)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Far-field)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Z matrix and imaginary)

You can see Z-parameter and imaginary in here.

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Z matrix and imaginary)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Z matrix and imaginary)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Magnetic field)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Magnetic field)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Magnetic field)

You can see the magnetic field animation by variation of input signal phase.

Position of magnetic field in 2D plane

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Export plot data)

a(vertical)-direction

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Export plot data)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result(Export plot data)

a-direction

Select except axis of a-direction and set the position.(center, 0)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result(Export plot data)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result(Export plot data)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Result (Export plot data)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Local coordinates)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Local coordinates)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Local coordinates)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (History list)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (History list)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Parameter sweep)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Parameter sweep)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools(Parameter sweep)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools(Parameter sweep)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Parameter sweep)

Radio Frequency System Solution Lab.Korea Advanced Institute of Science and Technology

Other tools (Parameter sweep)