Circuit arrangement and method for an illumination device having settable color and brightness
A technology of lighting device and circuit structure, which is applied in the direction of lighting device, electric lamp circuit layout, electric light source, etc., and can solve the problems that the color and brightness cannot be adjusted comfortably, and a large number of
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[0026] figure 2 A block diagram of a preferred embodiment of the invention is shown in . The block diagram shows a preferred embodiment of a circuit configuration with connected light sources.
[0027] The voltage converter CON draws its electrical energy via connections L and N from a power source (not shown), realized for example by a mains supply or a battery. The voltage converter CON supplies at its terminals O1 and O2 an operating voltage which is suitable for operating a light source connected to the circuit arrangement.
[0028] The operating voltage is fed into the first and second dimming devices (PWM1, PWM2) via the connection terminals I11 and I12 and I21 and I22. The first dimming device PWM1 has two connection terminals A11 and A12 to which the light sources of the first group G1 are connected. The second dimming device PWM2 has two connections A21 and A22, to which light sources of the second group G2 are connected.
[0029] In the exemplary embodiment show...
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