A simple patch antenna design library
Project description
Design Patch Antenna
A simple patch antenna design library
Prerequisite
Python environment
-
python=3.10
-
Install below packages
pip install scipy==1.9.0
pip install gerber_writer==0.3.4
Installation
pip install patch_antenna
Design patch antenna
To get the design results of a patch antenna use the method design(freq, er, h)
by passing your
resonant frequency (Hz), dielectric constant and thickness of the cavity (m) values as arguments.
Simple Design and Usage
Getting design parameters
import patch_antenna as pa
# resonant frequency in Hz
freq = 2.4 * 10 ** 9
# dielectric constant
er = 4.4
# thickness of the cavity in meter
h = 1.6 * 10 ** -3
result = pa.design_string(freq, er, h)
print(result)
Output:
{'frequency': 2400000000.0, 'patch_width': 0.0380099749575278, 'patch_length': 0.0294215930843705, 'feeder_width': 0.015203989983011122, 'feeder_length': 0.015449608708025277, 'inset_gap_width': 0.007601994991505561, 'inset_length': 0.010914409094654586, 'ground_length': 0.05447120179239577, 'ground_width': 0.06281396494053892, 'input_edge_impedance': 321.50075290241097}
Write as Gerber file for both feed types
- Normal feed
pa.write_gerber(freq, er, h, 'patch_design_normal_2.4GHz_4.4_er_1.6_h.gbr', 'normal')
- Inset feed
pa.write_gerber(freq, er, h, 'patch_design_inset_2.4GHz_4.4_er_1.6_h.gbr', 'inset')
Customize design results
Using design object
design = pa.design(freq, er, h)
design.feeder_length *= 1.25
design.feeder_width *= 1.10
pa.write_gerber_design(design, 'custom_patch_normal_design.gbr', 'normal')
pa.write_gerber_design(design, 'custom_patch_inset_design.gbr', 'inset')
Future:
- Design and gerber generation for patch antenna arrays and including other parameters calculation.
Note
Patch antenna design, 3D simulation, and Gerber file facility also published as Web-Live application.
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