A power splitter/divider may be used with a paralleled amplifier. The power splitter/divider includes a common port and a distribution structure for distributing equal-amplitude samples of the applied signal from the common port to four cascades of artificial transmission lines. The impedances of the...http://www.google.com/patents/US6621374?utm_source=gb-gplus-sharePatent US6621374 - Splitter/combiner using artificial transmission lines, and paralleled amplifier using same
