Based on the 1980 text, "Microstrip Antennas", this volume offers information on designing any type of microstrip antenna. In addition to addressing essential microchip antenna theory, the authors highlight current design and engineering practices, emphasizing pressing issues such as broadbanding, circular polarization and active microstrip antennas in particular. Special design challenges, ranging from dual polarization, high bandwidth, and surface wave mitigation, to choosing the proper substrate, and shaping an antenna to achieve desired results are all covered. The book includes more than 400 illustrations, and over 1600 equations and analytical techniques for all types of common microstrip antennas.

Presents reprinted tutorial papers on HEMTs, HBTs and heterojunctions, including papers which report major achievements of the HEMT and HBT technologies in the fields of microwave, millimeter-wave and digital ICs. The book discusses the important aspects of device physics and analytical models device fabrication technology, aspects of physics and growth technology of heterojunctions and application of resonant tunnelling to field-effect and bipolar transistors.