A simple electrical network for a Single Layer Microstrip Patch Antenna (SLMPA) and the feeding structure (coaxial probe and compensating capacitor) is proposed to predict the input impedance. The mathematical
analysis allows to design an optimum feed that enhances the impedance bandwidth (BW).
Anguera, J. [et al.]. An optimum method to design probe-fed single-layer single-path wideband microstrip antenna. A: Millennium Conference on Antennas & Propagation. "AP 2000: Millennium Conference on Antennas & Propagation: Davos, Switzerland, 9-14 April 2000". Davos: European Space Agency (ESA), 2000.