ustrip_impedance
rfnetwork.utils.ustrip_impedance
- rfnetwork.utils.ustrip_impedance(w, h, er, frequency=1000000000.0, t=0.0013)
Microstrip impedance and effective permittivity for thin microstrip lines
- Return type:
tuple
Parameters
- wfloat, optional
Width of microstrip trace in inches.
- hfloat
Substrate thickness in inches
- erfloat | list
Dielectric constant of substrate. Supports single values or a list for each frequency.
- frequencylist, optional
Array of frequencies in Hz.
- tfloat, optional
Copper thickness in inches, defaults to 1oz copper (1.3 mils).
Returns
- Z0float | np.ndarray
characteristic line impedance at each frequency
- eps_efffloat | np.ndarray
effective permittivity at each frequency
References
[1] Design-Data-for-Microstrip-Transmission-Lines-on-RT-duroid-Laminates, Rogers Corporation, 2013