JPS628720U

JPS628720U -

Info

Publication number: JPS628720U
Application number: JP9933185U
Authority: JP
Priority date: 1985-06-28
Filing date: 1985-06-28
Publication date: 1987-01-20

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例のＲＣフイルタの
平面図、第２図は第１図のイ―イ線矢視断面図、
第３図はこの考案の他の実施例を示す平面図、第
４図は第３図のロ―ロ線矢視断面図、第５図はこ
の考案のＲＣフイルタの等価回路図、第６図は従
来の高調波成分の阻止回路図、第７図は従来のＲ
Ｃフイルタの回路図である。１…プリント基板、２…第１配線パターン、３
…第２配線パターン、４…グラウンドパターン、
６…抵抗器、１０…マイクロプロセツサ（能動素
子）。 Fig. 1 is a plan view of an RC filter according to an embodiment of this invention, Fig. 2 is a sectional view taken along the line A--A in Fig. 1,
Fig. 3 is a plan view showing another embodiment of this invention, Fig. 4 is a sectional view taken along the Ro-Ro line in Fig. 3, Fig. 5 is an equivalent circuit diagram of the RC filter of this invention, and Fig. 6. is a conventional harmonic component blocking circuit diagram, and Fig. 7 is a conventional harmonic component blocking circuit diagram.
It is a circuit diagram of a C filter. 1... Printed circuit board, 2... First wiring pattern, 3
...Second wiring pattern, 4...Ground pattern,
6...Resistor, 10...Microprocessor (active element).

Claims

[Claims for Utility Model Registration] An RC filter for suppressing harmonic components of an active element that operates using a high-frequency pulse signal as an operation reference signal, the filter being formed on a substrate and connected to the active element on one side. one wiring pattern, a second wiring pattern formed on the substrate and facing the first wiring pattern, and a second wiring pattern formed on the substrate or the lower surface thereof and provided at an intermediate location between the first wiring pattern and the second wiring pattern. ground pattern and said first ground pattern.
, a resistor provided to span between the second wiring patterns and electrically connected to the second wiring pattern, the resistor forming a pair of parallel electrodes for forming a capacitor together with the ground pattern. An RC filter characterized by: