Measurement and fabrication uncertainties in high-directivity microstrip couplers Pham, Minh Nhat Müller, Johannes Jacob, Arne F. 2012 - TUHH Open Research
Directivity tuning of microstrip couplers Müller, Johannes Pham, Minh Nhat Jacob, Arne F. 2012 - TUHH Open Research
Directional coupler compensation with optimally positioned capacitances Müller, Johannes Pham, Minh Nhat Jacob, Arne F. 2011 - TUHH Open Research