A four-way power splitter/combiner apparatus comprises five unbalanced ports, configured as a common port and four other ports, with power introduced into the common port, over a relative wide frequency band, being substantially equally divided between the four other ports, and vice versa. Each of the...http://www.google.es/patents/US4647868?utm_source=gb-gplus-sharePatente US4647868 - Push-pull radio-frequency power splitter/combiner apparatus
Push-pull radio-frequency power splitter/combiner apparatus
