Electrical circuit arrangement having equipotential surface for reduced high-frequency interference
First Claim
1. An electrical circuit arrangement (4) with a printed circuit board (5;
- 22) for the operation of electrical lamps, on which printed circuit board (5), electrical components (14) and conductor strips (7;
19;
20) are arranged, whereby potential changes that are rapid over time occur on printed circuit board (5;
22), as well as with an equipotential surface (6;
23) for reducing the radio interference caused by these potential changes, is hereby characterized in that equipotential surface (6;
23) is connected with a resting potential (7;
29) relative to the rapid potential changes on printed circuit board (5;
22), the equipotential surface (6;
23) is arranged at least in the vicinity of the upper side or lower side of printed circuit board (5;
22), the equipotential surface (6) is joined with a ground conductor strip (7) arranged on the under side of printed circuit board (5) by means of a solder or wire bridge (8) via a hole (9) in printed circuit board (5).
1 Assignment
0 Petitions
Accused Products
Abstract
A circuit arrangement (4) for the operation of electrical lamps, with a printed circuit board (5), on which electrical components (14) and conductor strips (7; 19; 20) are arranged, whereby potential changes that are rapid over time occur on printed circuit board (5), has an equipotential surface (6) for reducing the radio interference caused by these potential changes. For this purpose, equipotential surface (6) with resting potential relative to the rapid potential changes is connected onto printed circuit board (5). In particular, the equipotential surface is produced by a copper layer (6) on the upper side of printed circuit board (5). The advantage is a simple-to-produce arrangement that can be automated for reducing radio interference.
-
Citations
18 Claims
-
1. An electrical circuit arrangement (4) with a printed circuit board (5;
- 22) for the operation of electrical lamps, on which printed circuit board (5), electrical components (14) and conductor strips (7;
19;
20) are arranged, whereby potential changes that are rapid over time occur on printed circuit board (5;
22), as well as with an equipotential surface (6;
23) for reducing the radio interference caused by these potential changes, is hereby characterized in that equipotential surface (6;
23) is connected with a resting potential (7;
29) relative to the rapid potential changes on printed circuit board (5;
22), the equipotential surface (6;
23) is arranged at least in the vicinity of the upper side or lower side of printed circuit board (5;
22), the equipotential surface (6) is joined with a ground conductor strip (7) arranged on the under side of printed circuit board (5) by means of a solder or wire bridge (8) via a hole (9) in printed circuit board (5). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- 22) for the operation of electrical lamps, on which printed circuit board (5), electrical components (14) and conductor strips (7;
Specification