| 摘要 |
The present invention provides a nonreciprocal circuit device which can be assembled by an automatic assembling machine, and in which the built-in components thereof can be disposed with a high positioning accuracy, and further provides a communication apparatus using this nonreciprocal circuit device. The nonreciprocal circuit device as an isolator includes a metallic lower case portion, a resin terminal case, a center electrode assembly, a metallic upper case portion, and a permanent magnet. Inside the terminal case, there are provided irregular-shaped guide portions for disposing nonreciprocal circuit components such as the center electrode assembly, at a predetermined position, and more specifically, a window portion, recesses for capacitors, and a bank portion for permanent magnet. These guide portions have tapered side wall surfaces each having a predetermined taper angle theta.
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