| 摘要 |
PURPOSE:To improve impedance matching by transmitting a signal through a connecting piece between a center conductor of a plug seat and a terminal part of an electronic circuit and adjusting the interval between a projecting piece of the connecting piece and an external conductor of the plug seat. CONSTITUTION:An input terminal 11 is attached to a case. A connecting piece 24 is so placed that the tip of a center conductor 14 is inserted into a through hole 27 of the piece 24, and the center conductor 14 and the connecting piece 24 are connected. Meanwhile, a base part 21 of an earth body 20 is connected to an earth conductor 9 of a circuit board 5 by soldering. Next, the circuit board 5 is inserted into the case and is fixed so that an external conductor 12 of the input terminal 11 is inserted to an open part 23 of the earth body 20 and a base part 25 of the connecting piece 24 is put on a terminal part 6a of a filter 6. The external conductor 12 and rising parts 22 are soldered. The capacitance component is varied by deforming the projecting piece 28 to vary the distance to the external conductor 12. |
