NON-RECIPROCAL CIRCUIT HAVING STABLE ELECTROMAGNETIC CHARACTERISTIC

摘要

PURPOSE: A non-reciprocal circuit having a stable electromagnetic characteristic is provided to stabilize an electrostatic characteristic by using a new terminal insulating method. CONSTITUTION: A non-reciprocal circuit such as an isolator or a circulator is formed with a ferroelectric material, an internal terminal portion having an internal terminal, a ceramic element having a passing hole and a contact resistance, and a lower case having an input/output terminal and a ground terminal. An insulating layer(25) is formed on an upper face and a lower face an intermediate terminal(21a) of the internal terminal frame(21). The insulating layer(25) is formed with an adhesive insulating layer. The insulating layer(25) is a circular shape or a rectangular shape. The adhesive insulating layer(25) formed on the upper face and the lower face of the intermediate terminal(21a) is formed with one body.