Look up: circulator

1. circulator
   a) microwave coupling device having a number of terminals so arranged that energy entering one terminal is transmitted to the next adjacent terminal in a particular direction; b) an arrangement of phase shifters and waveguide or coax that distributes incoming signals among selected outputs Catego...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
2. Circulator
   Cir'cu·la`tor noun [ Confer Latin circulator a peddler.] One who, or that which, circulates.
   Found on http://www.encyclo.co.uk/webster/C/81
   
   
3. Circulator
   • (n.) One who, or that which, circulates.
   Found on http://thinkexist.com/dictionary/meaning
   
   
4. circulator
   circulator 1. A person who moves from place to place. 2. A person who circulates money, information, etc. 3. A talebearer or scandalmonger. 4. Any of various devices for circulating gases or liquids. There are circulators both for electronic signals and for light, the latter being used in optical fiber networks.
   Found on http://www.wordinfo.info/words/index/inf
   
   
5. Circulator
   When one port of a three-port circulator is terminated in a matched load, it can be used as an isolator, since a signal can travel in only one direction between the remaining ports. There are circulators for LF, VHF, UHF, microwave frequencies and for light, the latter being used in optical fiber n...
   Found on http://en.wikipedia.org/wiki/Circulator
   
   
6. circulator
   a passive device having three or more ports in which the power entering any port is transmitted to the next port according to a given order of sequence NOTE - By reversing the biasing field, the order of sequence is reversed. This property may be used to switch electromagnetic energy.
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
7. circulator
   a multiport device in which the incident wave to any port is transmitted to the next port according to an order of sequence determined by the sense of a static magnetic biasing field NOTE 1 - By reversing the magnetic biasing field, the order of sequence is reversed. NOTE 2 - This property may be used to switch electromagnetic waves.
   Found on http://www.electropedia.org/iev/iev.nsf/